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Sebag, J., W. Gressler, M. Liang, D. Neill, C. Araujo-Hauck, J. Andrew, G. Angeli, et al. "LSST primary/tertiary monolithic mirror." SPIE-INT SOC OPTICAL ENGINEERING, 2016. http://hdl.handle.net/10150/622513.
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At the core of the Large Synoptic Survey Telescope (LSST) three-mirror optical design is the primary/tertiary (M1M3) mirror that combines these two large mirrors onto one monolithic substrate. The M1M3 mirror was spin cast and polished at the Steward Observatory Mirror Lab at The University of Arizona (formerly SOML, now the Richard F. Caris Mirror Lab at the University of Arizona (RFCML)). Final acceptance of the mirror occurred during the year 2015 and the mirror is now in storage while the mirror cell assembly is being fabricated. The M1M3 mirror will be tested at RFCML after integration with its mirror cell before being shipped to Chile.
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Liu, Xinyang. "A Monolithic Lagrangian Meshfree Method for Fluid-Structure Interaction." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1459348741.
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Chiang, Chen-Yu. "Transport in biological systems. Monolithic method for fluid-structure interaction." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS477.
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Le travail de cette thèse a pour objectif de développer un solveur dédié aux problèmes d'interaction fluide-structure (IFS), en particulier ceux rencontré en biologie, tels que la dynamique d'un écoulement sanguin à travers des tronçons veineux munis de valves. La circulation du sang est étudiée à l'aide de modèles pertinents sur les plans anatomique et physique. Le premier aspect des problèmes d'IFS concerne la gestion de la stabilité. Une formulation monolithique eulérienne basée sur la méthode des caractéristiques assure la stabilité inconditionnelle et introduit une approximation du premier ordre en temps avec deux modèles distincts de matériaux hyper élastiques. Le second aspect est relatif au contact entre deux parties du domaine solide, tel celui apparaissant entre deux valvules au cours de la fermeture de la valve et à l'état fermé sur un surface valvulaire relativement importante. Un algorithme de contact est proposé et validé à l'aide de tests de référence. L'étude computationnelle de l'écoulement sanguin à travers des tronçons veineux munis de valves est mené, une fois le solveur IFS vérifié et validé. Le domaine computationnel bidimensionnel est soit constitué d'une simple unité de base, soit du modèle de circuit veineux en forme d'échelle avec une veine superficielle et une profonde, communicant par une série de veines perforantes. Un maillage tridimensionnel de l'unité de base a été construit. Les simulations dans ce domaine tridimensionnel nécessite le recours au calcul haute performance. La dynamique de l'écoulement sanguin est fortement couplée à la mécanique de la paroi vasculaire. La paroi déformable des veines et artères de gros calibre est composée de trois couches principales (l'intima, la media, et l'adventitia) constituées de matériaux composites ayant une composition spécifique dans chaque couche. Dans ce travail, la rhéologie de la paroi est supposée être représentée par un matériau du type Mooney-RivlinThe present work aims at developing a numerical solver for fluid-structure interaction (FSI) problems, especially those encountered in biology such as blood circulation in valved veins. Blood flow is investigated using anatomically and physically relevant models. The first aspect of FSI problems is related to management of algorithm stability. An Eulerian monolithic formulation based on the characteristic method unconditionally achieves stability and introduce a first order in time approximation with two distinct hyperelastic material models. The second aspect deals with between-solid domain contact such as that between valve leaflets during closure and in the closed state over a finite surface, which avoid vcusp tilting and back flow. A contact algorithm is proposed and validated using benchmarks. Computational study of blood flow in valved veins is investigated, once the solver was verified and validated. The 2D computational domain comprises a single basic unit or the ladder-like model of a deep and superficial veins communicating by a set of perforating veins. A 3D mesh of the basic unit was also built. Three-dimensional computation relies on high performance computing. Blood flow dynamics is strongly coupled to vessel wall mechanics. Deformable vascular walls of large veins and arteries are composed of three main layers (intima, media, and adventitia) that consist of composite material with a composition specific to each layer. In the present work, the wall rheology is assumed to be a Mooney-Rivlin material
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Ishizuka, Norio. "Studies on structure control and chromatographic properties of monolithic silica column." 京都大学 (Kyoto University), 2002. http://hdl.handle.net/2433/149779.
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Selmadji, Anfel. "From monolithic architectural style to microservice one : structure-based and task-based approaches." Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTS026/document.
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Les technologies logicielles ne cessent d'évoluer pour faciliter le développement, le déploiement et la maintenance d'applications dans différents domaines. En parallèle, ces applications évoluent en continu pour garantir une bonne qualité de service et deviennent de plus en plus complexes. Cette évolution implique souvent des coûts de développement et de maintenance de plus en plus importants, auxquels peut s'ajouter une augmentation des coûts de déploiement sur des infrastructures d'exécution récentes comme le cloud. Réduire ces coûts et améliorer la qualité de ces applications sont actuellement des objectifs centraux du domaine du génie logiciel. Récemment, les microservices sont apparus comme un exemple de technologie ou style architectural favorisant l'atteinte de ces objectifs.Alors que les microservices peuvent être utilisés pour développer de nouvelles applications, il existe des applications monolithiques (i.e., monolithes) cons-truites comme une seule unité et que les propriétaires (e.g., entreprise, etc.) souhaitent maintenir et déployer sur le cloud. Dans ce cas, il est fréquent d'envisager de redévelopper ces applications à partir de rien ou d'envisager une migration vers de nouveaux styles architecturaux. Redévelopper une application ou réaliser une migration manuellement peut devenir rapidement une tâche longue, source d'erreurs et très coûteuse. Une migration automatique apparaît donc comme une solution évidente.L'objectif principal de notre thèse est de contribuer à proposer des solutions pour l'automatisation du processus de migration d'applications monolithiques orientées objet vers des microservices. Cette migration implique deux étapes : l'identification de microservices et le packaging de ces microservices. Nous nous focalisons sur d'identification en s'appuyant sur une analyse du code source. Nous proposons en particulier deux approches.La première consiste à identifier des microservices en analysant les relations structurelles entre les classes du code source ainsi que les accès aux données persistantes. Dans cette approche, nous prenons aussi en compte les recommandations d'un architecte logiciel. L'originalité de ce travail peut être vue sous trois aspects. Tout d'abord, les microservices sont identifiés en se basant sur l'évaluation d'une fonction bien définie mesurant leur qualité. Cette fonction repose sur des métriques reflétant la "sémantique" du concept "microservice". Deuxièmement, les recommandations de l'architecte logiciel ne sont exploitées que lorsqu'elles sont disponibles. Enfin, deux modèles algorithmiques ont été utilisés pour partitionner les classes d'une application orientée objet en microservices : un algorithme de regroupement hiérarchique et un algorithme génétique.La deuxième approche consiste à extraire à partir d'un code source orienté objet un workflow qui peut être utilisé en entrée de certaines approches existantes d'identification des microservices. Un workflow décrit le séquencement de tâches constituant une application suivant deux formalismes: un flot de contrôle et/ou un flot de données. L'extraction d'un workflow à partir d'un code source nécessite d'être capable de définir une correspondance entre les concepts du mon-de objet et ceux d'un workflow.Pour valider nos deux approches, nous avons implémenté deux prototypes et mené des expérimentations sur plusieurs cas d'étude. Les microservices identifiés ont été évalués qualitativement et quantitativement. Les workflows obtenus ont été évalués manuellement sur un jeu de tests. Les résultats obtenus montrent respectivement la pertinence des microservices identifiés et l'exactitude des workflows obtenusSoftware technologies are constantly evolving to facilitate the development, deployment, and maintenance of applications in different areas. In parallel, these applications evolve continuously to guarantee an adequate quality of service, and they become more and more complex. Such evolution often involves increased development and maintenance costs, that can become even higher when these applications are deployed in recent execution infrastructures such as the cloud. Nowadays, reducing these costs and improving the quality of applications are main objectives of software engineering. Recently, microservices have emerged as an example of a technology or architectural style that helps to achieve these objectives.While microservices can be used to develop new applications, there are monolithic ones (i.e., monoliths) built as a single unit and their owners (e.g., companies, etc.) want to maintain and deploy them in the cloud. In this case, it is common to consider rewriting these applications from scratch or migrating them towards recent architectural styles. Rewriting an application or migrating it manually can quickly become a long, error-prone, and expensive task. An automatic migration appears as an evident solution.The ultimate aim of our dissertation is contributing to automate the migration of monolithic Object-Oriented (OO) applications to microservices. This migration consists of two steps: microservice identification and microservice packaging. We focus on microservice identification based on source code analysis. Specifically, we propose two approaches.The first one identifies microservices from the source code of a monolithic OO application relying on code structure, data accesses, and software architect recommendations. The originality of our approach can be viewed from three aspects. Firstly, microservices are identified based on the evaluation of a well-defined function measuring their quality. This function relies on metrics reflecting the "semantics" of the concept "microservice". Secondly, software architect recommendations are exploited only when they are available. Finally, two algorithmic models have been used to partition the classes of an OO application into microservices: clustering and genetic algorithms.The second approach extracts from an OO source code a workflow that can be used as an input of some existing microservice identification approaches. A workflow describes the sequencing of tasks constituting an application according to two formalisms: control flow and /or data flow. Extracting a workflow from source code requires the ability to map OO conceptsinto workflow ones.To validate both approaches, we implemented two prototypes and conducted experiments on several case studies. The identified microservices have been evaluated qualitatively and quantitatively. The extracted workflows have been manually evaluated relying on test suites. The obtained results show respectively the relevance of the identified microservices and the correctness of the extracted workflows
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Bna', Simone <1985>. "Multilevel Domain Decomposition Algorithms for Monolithic Fluid-Structure Interaction Problems with Application to Haemodynamics." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6293/.
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Finite element techniques for solving the problem of fluid-structure interaction of an elastic solid material in a laminar incompressible viscous flow are described. The mathematical problem consists of the Navier-Stokes equations in the Arbitrary Lagrangian-Eulerian formulation coupled with a non-linear structure model, considering the problem as one continuum. The coupling between the structure
and the fluid is enforced inside a monolithic framework which computes simultaneously for the fluid and the structure unknowns within a unique solver. We used the well-known Crouzeix-Raviart finite element pair for discretization in space and the method of lines for discretization in time. A stability result using the Backward-Euler time-stepping scheme for both fluid and solid part and the finite element method for the space discretization has been proved. The resulting linear system has been solved by multilevel domain decomposition techniques. Our strategy is to solve several local subproblems over subdomain patches using the Schur-complement or GMRES smoother within a multigrid iterative solver.
For validation and evaluation of the accuracy of the proposed methodology, we present corresponding results for a set of two FSI benchmark configurations which describe the self-induced elastic deformation of a beam attached to a cylinder in a laminar channel flow, allowing stationary as well as periodically oscillating deformations, and for a benchmark proposed by COMSOL multiphysics where a narrow vertical structure attached to the bottom wall of a channel bends under the force due to both viscous drag and pressure.
Then, as an example of fluid-structure interaction in biomedical problems, we considered the academic numerical test which consists in simulating the pressure wave
propagation through a straight compliant vessel.
All the tests show the applicability and the numerical efficiency of our approach to both two-dimensional and three-dimensional problems.
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Grew, Benjamin A. "Studies on monolithic tandem structure for low cost and high efficiency dye-sensitized solar cells." Thesis, Heriot-Watt University, 2016. http://hdl.handle.net/10399/3191.
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Multi junction solar cells are devices fabricated from two or more solar absorbers that absorb different parts of the solar spectrum. Typically this is done to yield a device with a superior efficiency to single junction devices derived from those absorbers and to surpass the efficiency limit of a single junction device (approx 30 %). The highest performing solar cells currently available are multi junction, but they are also the most expensive, typically restricting their use to applications that require a high power output from a small area. Another possibility for multi junction solar cells is to combine absorbers with a low production cost and simplicity to produce. This could potentially realise a solar cell with an efficiency greater than existing single junction technologies, but with a lower cost. Absorbers such as the dye-sensitized solar cell (DSC or DSSC) are relatively simple and cheap to produce but are not currently being mass produced. By comparison the thin lm technology, Cu(In,Ga)Se2 or CIGS, is currently being manufactured for use commercially at a competitive price and performance to the current market leader, silicon. A tandem solar cell comprised of the DSC and CIGS absorbers has shown promise of an efficiency suitable for commercial application. Initially these tandem devices were demonstrated as a physical stack (one above the other) of the two separate solar cells connected electrically in series. The design has progressed to a monolithic design, highlighting several crucial areas requiring further development if the tandem is to prove successful. Typical components of the DSC are sub-optimal for use in a tandem cell and require development of alternative approaches when combined into the proposed tandem cell. DSCs suffer drawbacks such as a lower efficiency and long term stability issues which has so far limited their commercial use. Optical losses from the transparent conducting oxide (TCO) used in both the DSC and CIGS absorb a small amount of light that is required by the CIGS. These parasitic losses ultimately reduce the overall performance of the tandem device. The work presented in this thesis makes use of pulsed DC sputtering to deposit titanium-doped indium oxide (ITiO), a material that is highly transparent across all the wavelengths absorbed in the DSC/CIGS. Pulsed DC sputtering reduces the time taken to deposit layers of ITiO whilst also exhibiting excellent electrical and optical performance, potentially reducing the overall cost of the DSC/CIGS tandem. The monolithic configuration of the tandem leads to the electrolyte of the DSC being brought into contact with the CIGS cell. The electrolyte is crucial to the operation of the DSC (and tandem) as an efficient hole conductor between the two absorbers. This electrolyte also corrodes the CIGS layer and complete device failure occurs within a matter of hours of device assembly. Use of another TCO, zinc oxidedoped indium oxide (IZO) is examined in this work, deposited in the amorphous phase to act as a barrier between the DSC electrolyte and the CIGS surface by preventing the electrolyte from reaching the CIGS through pinholes in the TCOs typically used as a top contact. Finally the current-voltage (I-V) measurement of a solar cell determines critical parameters, of which includes the efficiency. The use of a mask across the DSC to accurately define the cell area is crucial for the measurement of its efficiency. This work demonstrates that applying this method to the tandem cell causes shading of the CIGS layer, resulting in a reduced electrical performance. A solution is proposed by modifying the device architecture to better match both absorber areas whilst preventing a short circuit between the DSC electrolyte and the CIGS back contact through the use of insulating SiO2 layers.
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Elsafti, Hisham [Verfasser], and H. [Akademischer Betreuer] Oumeraci. "Modelling and Analysis of Wave-Structure-Foundation Interaction for Monolithic Breakwaters / Hisham Elsafti ; Betreuer: H. Oumeraci." Braunschweig : Technische Universität Braunschweig, 2015. http://d-nb.info/117581959X/34.
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Everett, Judith Helen. "Structure of monolithic human insulin at 1.8A resolution and development of computer software for application in biophysics." Thesis, Liverpool John Moores University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.290739.
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Eder, Felix. "Comparing Monolithic and Event-Driven Architecture when Designing Large-scale Systems." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-300393.
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The way the structure of systems and programs are designed is very important. When working with smaller groups of systems, the chosen architecture does not affect the performance and efficiency greatly, but as these systems increase in size and complexity, the choice of architecture becomes a very important one. Problems that can arise when the complexity of software scales up are waiting for data accesses, long sequential executions and potential loss of data. There is no single, optimal software architecture, as there are countless different ways to design programs, but it is interesting to look at which architectures perform the best in terms of execution time when handling multiple bigger systems and large amounts of data. In this thesis, a case called "The Income Deduction" will be implemented in a monolithic and an event-driven architectural style and then be put through three different scenarios. The monolithic architecture was chosen due to its simplicity and popularity when constructing simpler programs and systems, while the event-driven architecture was chosen due to its theoretical benefits of removing sequential communicating between systems and thus reduce the time systems spend waiting for each other to respond. The main research question to answer is what the main benefits and drawbacks are when building larger systems with an event-driven architectural style. Additional research questions include how the architecture affects the organisation’s efficiency and cooperation between different teams, as well as how the security of data is handled. The two implementations where put through three different scenarios within the case, measuring execution time, number of HTTP requests sent, database accesses and events emitted. The results show that the event-driven architecture performed 9.4% slower in the first scenario and 0.5% slower in the second scenario. In the third scenario the event-driven architecture performed 49.0% faster than the monolithic implementation, finishing the scenario in less than half the amount of time. The monolithic implementation generally performed well in the simpler scenarios 1 and 2, where the systems had fewer integrations to each other. In these cases it is the preferred solution since it is easier to design and implement. The event-driven solution did perform much better in the more complex scenario 3, where a lot of systems and integrations were involved, since it could remove certain connections between systems. Lastly, this thesis also discusses the sustainability and ethics of the study, as well as the limitations of the research and potential future work.Strukturen som system och program designas efter är väldigt viktigt. När en arbetar med mindre grupper av system så kommer den valda arkitekturen inte att påverka prestandan mycket. Men när dessa system växter i storlek och komplexitet så kommer valet av arkitektur vara väldigt viktigt. Problem som kan uppstå när mjukvarukomplexiteten ökar är väntandet på dataaccesser, långa sekventiella exekveringar och potentiell förlust av data. Det finns ingen optimal mjukvaruarkitektur, det finns oräkneligt många sätt att designa program. Det är intressant att kolla på vilka arkitekturer som preseterar bäst sätt till exekveringstid när en hanterar ett flertal större system och stora mängder data. I den här avhandlingen kommer ett fall, kallat "Ingångsavdraget", att implementeras i en monolitisk och en event-driven arkitekturell stil och sedan köras igenom tre olika scenarion. Den monolitiska arkitekturen var vald på grund av dess enkelhet och populäritet vid utveckling av enklar program och system. Den event-drivna arkitekturen valdes på grund av vissa teoretiska fördelar, så som att kunna undvika sekventiell kommunikation mellan systemen och därmed reducera tiden som systemen väntar på svar från varandra. Den huvudsakliga forskningsfrågan som ska besvaras är vad de största fördelarna och nackdelarna är när man bygger större system med en event-driven arkitekturell stil. Andra forskningsfrågor inkludera hur arkitekturen påverkar effektiviteten hos en organisation och samarbetet mellan olika team, samt hur datasäkerheten hanteras. De två implementationerna sattes igång tre olika scenarion inom fallet, där exekveringstid, antal HTTP-anrop skickade, databasaccesser och event skickad mättes. Resultaten visar att den event-drivna arkitekturen presterade 9.4% långsamare i det första scenariot och 0.5% långsamare i det andra scenariot. I det tredje scenariot presterade den event-drivna lösningen 49.0% snabbare än den monolitiska lösningen och avslutade därmed scenariot under hälften av tiden. Den monolitiska implementationen presterade generellt väl under de simplare scenarion 1 och 2, där systemen hade färre integrationer till varandra. I dessa fallen så är den den föredragna lösningen eftersom det är lättare att designa och implementera. Den event-drivna lösningen presterade mycket bättre i det mer komplexa scenario 3, där många system och integrationer var inblandade, eftersom den kunde ta bort vissa kopplingar mellan system. Slutligen så diskuteras även hållbarhet och etik i studien, samt begränsningarna av forskningen och potentiellt framtida arbete.
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Puttmann, John Paul. "Spatially Targeted Activation of a SMP." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1525166147319011.
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Simonot, Thimothé. "Conception et hybridation de l'environnement électronique des composants de puissance à structure verticale." Thesis, Grenoble, 2011. http://www.theses.fr/2011GRENT127/document.
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Ces travaux de thèse portent sur l'intégration hétérogène des fonctions de commande pour des transistors de puissance verticaux à grille isolée. Ce travail a consisté en la conception des fonctions de commande pour un transistor de type MOSFET en technologie CMOS planar, puis en la conception du composant de puissance lui-même, incluant des fonctions spécifiques pour l'auto-alimentation de sa commande. Le deuxième aspect de ce travail est l'étude et la réalisation technologique de métallisations épaisses en surface de puces silicium pour l'hybridation en chip on chip de la partie commande et de la partie puissance. Ce mémoire de thèse comporte trois chapitres équivalents : études théoriques et présentation des concepts, conception et validation expérimentale de la partie commande puis conception de la partie puissance et développements technologiques. Les champs d'application de ces travaux sont variés car ils couvrent un large domaine de l'électronique de puissance (convertisseurs hybrides)The work presented in this PhD manuscript deals with heterogeneous integration of the control functions for driving a vertical power MOSFET. This work consisted in the design of the driving functions for a vertical power MOSFET in a planar CMOS technology, then in the design of the power transistor itself, including specific functions for the self powering of its driving circuitry. The second aspect of this work was the technological study and realization of thick metallization at the surface of silicon dies for the chip on chip assembly of the control and the power parts. This manuscript is composed of three equal chapters: the theoretical study and concepts presentation, the design and experimental validation of the driver part, and the design of the power part and the technological realizations. The field of application of this work covers a large spectrum as it concerns every hybrid converter
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Hetmer, Jakub. "Nosná konstrukce víceúčelové budovy." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227219.
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This master´s thesis“ Load-bearing Structure of Multi-purpose Building“ is processed in the form of project documentation according to applicable regulations. It deals with static solution of monolitic reinforced concrete construction of administrative building of Česká spořitelna. Subject of the solutions is reinforced concrete monolithic point – supported ceiling slab, columns and staircase.
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Tunc, Yeliz. "Synthesis Of Acrylic Based High Internal Phase Emulsion Polymers And Their Application In Chromatography." Phd thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12611133/index.pdf.
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High internal phase emulsion polymers (PolyHIPEs) are new generation materials with their high porosity and interconnected open-cell structures and finds applications in areas such as supports for catalytic systems, separation media and tissue engineering scaffolds. Styrene based PolyHIPEs are currently the most popular choice, but solvent compatibility and poor mechanical properties of these materials prevent their applications. Therefore development of new polyHIPEs with desired mechanical and cellular properties is needed to extend the range of applications.
The objective of this thesis was to synthesize new polyHIPEs with different mechanical characteristics changing from ductile to elastomeric. For this purpose, acrylic based polyHIPEs with various cellular structure and mechanical characteristics were developed by using stearyl acrylate (SA), isodecyl acrylate (IDA), isobornyl methacrylate (IBMA) and divinylbenzene (DVB). All materials were highly porous (90%) and had open cellular structure with uniform voids in the range of 5.2-12.9 μ
m. The PolyHIPEs produced from the monomers of SA and IDA demonstrated elastomeric property and had high ability of recovery when the applied stress is removed. IBMA based polyHIPEs were ductile and demonstrated higher Young&rsquo
s modulus and compression strength than that of conventional styrene based polyHIPEs. Therefore, by varying the composition, it became possible to alter the mechanical properties of polyHIPEs from ductile to elastomeric, without changing the interconnected cellular structures. One of the prepared IDA based polyHIPE was evaluated as stationary phase for capillary electrochromatography for the first time in literature. The column was very efficient in the separation of alkylbenzenes namely thiourea, benzene, toluene, ethylbenzene, propylbenzene and butylbenzene with high column efficiency (up to 200.000 plates/m).
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Chateau, Denis. "Etude de l'influence de la structure et de la composition de matériaux hybrides monolithiques sur les propriétés optiques (luminescence et absorption non-linéaire)." Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2013. http://tel.archives-ouvertes.fr/tel-00863807.
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Le procédé sol-gel permet la réalisation de matériaux optiquement performants et la possibilité d'intégrer diverses molécules dans ces systèmes ouvre les portes à des applications dans de nombreux domaines. Nous nous sommes intéressés en particulier à la réalisation de matériaux sol-gel monolithiques, fortement dopés avec des molécules actives, dans le cadre de la réalisation de limiteurs optiques performants dans le visible et dans l'infrarouge.La mise au point de procédés et de matrices sol-gel compatibles avec divers types de chromophores a tout d'abord été effectuée. Une investigation des paramètres expérimentaux et de la nature des précurseurs influençant la microstructure des matériaux a été réalisée, ainsi que la mise au point de méthodes de gélification accélérée capables de piéger efficacement les chromophores dans les matrices sol-gel même à de très hautes concentrations.Le dopage des matrices obtenues avec différents chromophores pour la limitation optique dans le visible et dans l'infrarouge s'en est suivi, avec une étude de l'impact des matrices sur les propriétés optiques des dopants. L'évaluation des performances en limitation a révélé les performances exceptionnelles des systèmes étudiés dans le visible, et des résultats prometteurs pour l'infrarouge.Enfin, la synthèse de nanoparticules d'or isotropes et anisotropes et leur incorporation dans les matériaux préparés a permis de mettre en évidence des effets d'exaltation importants sur les propriétés non-linéaires des chromophores au sein des matrices sol-gel et permettent d'améliorer les performances en limitation de manière considérable.
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Guepratte, Kevin. "Onduleur triphasé à structure innovante pour application aéronautique." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00647128.
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En aéronautique, les contraintes sont telles que la masse des filtres peut représenterjusqu'à 50% de la masse totale du convertisseur. Ces dernières années, les convertisseursmulticellulaires parallèles entrelacés et magnétiquement couplés ont conduit à améliorer lesperformances des convertisseurs (densité de puissance, efficacité, dynamique,...). Denombreuses topologies de filtrages entrelacés existent, l'objectif principal de cette étude est detrouver parmi ces topologies celles qui sont les mieux adaptées à la réalisation d'un onduleurde tension 110Veff / 400Hz triphasé 25kVA. Il est démontré que le choix du type de matériaumagnétique a un impact déterminant sur le poids, le volume et les pertes du convertisseur. Quidit parallélisation, dit multiplication du nombre de semi-conducteurs. Ces nouvelles structuresdoivent garantir à la fois un rendement élevé, une masse faible et une continuté defonctionnement, même en cas de panne d'un semiconducteur de puissance ou de sacommande. Mais coupler les phases entre elles, impose un lien indissociable qui peut êtrenuisible au fonctionnement de la structure en cas de dysfonctionnement. Des solutionsexistent et sont abordées dans l'étude. Enfin, la réalisation pratique d'un prototype semiindustrielde convertisseur triphasé utilisant des transformateurs interphases est présentée. Ils'agit d'un onduleur réseau avionique triphasé avec reconstruction de neutre pour fonctionneren déséquilibré. Les résultats expérimentaux démontrent l'avantage d'un convertisseur
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Mayr, Matthias [Verfasser], Michael W. [Akademischer Betreuer] [Gutachter] Gee, Wolfgang A. [Gutachter] Wall, and Simone [Gutachter] Deparis. "A Monolithic Solver for Fluid-Structure Interaction with Adaptive Time Stepping and a Hybrid Preconditioner / Matthias Mayr ; Gutachter: Wolfgang A. Wall, Simone Deparis, Michael W. Gee ; Betreuer: Michael W. Gee." München : Universitätsbibliothek der TU München, 2016. http://d-nb.info/112321090X/34.
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Crawford, D. L. "An inversion channel material system - toward an integrated technology : Characterisation of both optoelectronic and electronic devices fabricated from an identical inversion channel material structure and with applications in monolithic OEIC technologies." Thesis, University of Bradford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233672.
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El, Feghali Stéphanie. "Nouvelle formulation monolithique en élément finis stabilisés pour l'interaction fluide-structure." Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-00743488.
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L'Interaction Fluide-Structure (IFS) décrit une classe très générale de problème physique, ce qui explique la nécessité de développer une méthode numérique capable de simuler le problème FSI. Pour cette raison, un solveur IFS est développé qui peut traiter un écoulement de fluide incompressible en interaction avec des structures différente: élastique ou rigide. Dans cet aspect, le solveur peut couvrir une large gamme d'applications.La méthode proposée est développée dans le cadre d'une formulation monolithique dans un contexte Eulérien. Cette méthode consiste à considérer un seul maillage et résoudre un seul système d'équations avec des propriétés matérielles différentes. La fonction distance permet de définir la position et l'interface de tous les objets à l'intérieur du domaine et de fournir les propriétés physiques pour chaque sous-domaine. L'adaptation de maillage anisotrope basé sur la variation de la fonction distance est ensuite appliquée pour assurer une capture précise des discontinuités à l'interface fluide-solide.La formulation monolithique est assurée par l'ajout d'un tenseur supplémentaire dans les équations de Navier-Stokes. Ce tenseur provient de la présence de la structure dans le fluide. Le système est résolu en utilisant une méthode élément fini et stabilisé suivant la formulation variationnelle multiéchelle. Cette formulation consiste à décomposer les champs de vitesse et pression en grande et petite échelles. La particularité de l'approche proposée réside dans l'enrichissement du tenseur de l'extra contraint.La première application est la simulation IFS avec un corps rigide. Le corps rigide est décrit en imposant une valeur nul du tenseur des déformations, et le mouvement est obtenu par la résolution du mouvement de corps rigide. Nous évaluons le comportement et la précision de la formulation proposée dans la simulation des exemples 2D et 3D. Les résultats sont comparés avec la littérature et montrent que la méthode développée est stable et précise.La seconde application est la simulation IFS avec un corps élastique. Dans ce cas, une équation supplémentaire est ajoutée au système précédent qui permet de résoudre le champ de déplacement. Et la contrainte de rigidité est remplacée par la loi de comportement du corps élastique. La déformation et le mouvement du corps élastique sont réalisés en résolvant l'équation de convection de la Level-Set. Nous illustrons la flexibilité de la formulation proposée par des exemples 2D.
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Broha, Vincent. "Encapsulation couche mince des dispositifs photovoltaïquesorganiques." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAI027.
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L’oxygène et l’eau présents dans l’atmosphère sont des acteurs important dans la dégradationdes matériaux contenus dans les dispositifs opto-électroniques organiques. Dans le but d’améliorerla stabilité et la durée de vie de ces dispositifs, ces dispositifs sont encapsulés avec desmatériaux barrière aux gaz par lamination ou par l’utilisation de couches minces. Cette dernière,notamment utilisée pour les OLED, permet de fournir des barrières aux gaz performantes parle dépôt de couches inorganiques denses directement sur les dispositifs. Cependant, elles sontassujetties aux défauts des surfaces sur lesquelles elle sont déposées.L’objectif de ces travaux est de développer une couche de planarisation afin d’homogénéiserla surface des dispositifs photovoltaïques organiques (OPV) et de réduire la rugosité dans lebut d’obtenir une protection barrières aux gaz améliorée, conférée par le dépôt subséquent decouches denses inorganiques selon divers moyens (voie liquide et gazeuse).Dans un premier temps, des couches de planarisation ont été développées à partir de 6 copolymèresp(VDF-HFP). Ces derniers ont été caractérisés afin d’améliorer nos connaissances sur cesmatériaux.Grâce à une étude de solubilité, des encres à différentes concentrations dans l’acétate d’éthyleont été réalisées. Ces dernières ont été étudiées par des mesures rhéologiques et de tension desurface permettant de mieux appréhender leur étalement, et les états de surface obtenus sur dessubstrats PET et sur les dispositifs OPV. Ces recherches ont été complétées par un contrôlede la topographie et par conséquent de la planarisation des dispositifs OPV par microscopieconfocale.Pour finir, l’étude des performances barrière des structures d’encapsulations hybrides (organiqueinorganique)ont dévoilé une bonne compatibilité lorsque la rugosité de la couche de planarisationest très faible. Ces résultats sont confirmés par des mesures barrières aux gaz et des tests devieillissement accélérés des dispositifs OPV encapsulés en enceinte climatique qui permettentd’illustrer l’intérêt de l’encre planarisante développée.Ce travail a été réalisé au laboratoire LMPO au CEA/LITEN en collaboration avec l’industrielArkema dans le but de fournir des technologies d’encapsulations performantesOxygen and water present in the atmosphere are important actors of the degradation of materialscontained in optoelectronic devices. In order to increase the stability and the lifetime ofOPV, the devices are encapsulated with gas-barrier materials by lamination encapsulation orthin film encapsulation. These latter, espacially used in OLED technology, provides high performancegas barriers by depositing dense inorganic layers directly onto the devices. However,they are subject to the defects of the surfaces on which they are deposited.The purpose of this study is to develop a planarinzing layer in order to homogenize the surfaceof organic photovoltaic devices (OPV) and to reduce the roughness with the aim to obtain animproved gas barrier protection, conferred by the subsequent deposition of dense inorganic layersby various ways (liquid and gaseous routes).In a first step, the planarization layers were developed from six p(VDF-HFP) co-polymers. Thesehave been characterized to improve our knowledge on those materials.Through a solubility study, inks at different concentrations in ethyl acetate were made. Thelatter were studied by rheological measurements and surface tension to understand better theirspread, and the surface conditions obtained on PET substrates and OPV devices. Those researchswere completed with a topography control and consequently the planarization of OPVdevices by confocal microscopy.Finally, the study of the barrier performance of hybrid encapsulation structures (organic-inorganic)revealed a good compatibility when the rugosity of the planarization layer is very low. Theseresults are confirmed by permeation measurements and accelerated aging tests of OPV devicesencapsulated in climatic chambers that illustrate the interest of the planarized ink developed.This work has been performed in the LMPO Laboratory at CEA/LITEN in collaboration withthe chemical company Arkema in order to be able to provide performant encapsulation technologies
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Lagovský, Ivan. "Rekontrukce a dostavba hotelu Maximus v Brně – příprava realizace a řízení stavby." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225412.
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This master's thesis describes construction and technology project of reconstruction and extension of the hotel Maximus in Brno. This work contains schedule plan, situation of facility site, technology and administration receipt of monolithic construction.
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Tomoryová, Bianka. "Facelift EDU." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-414291.
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The subject of the diploma thesis is an architectural study of the forecourt of the Dukovany Nuclear Power Station. The project is based on a pre-diploma project which aimed to develop an urban concept. At the moment the buildings in the area are in an unsuitable condition from a construction - technical and architectural perspective. The urban-architectural study was intended to create a new concept for the forecourt and simultaneously enable its efficient operation in case of the completion of a new nuclear unit. The concept of the solution is based on the removal of outdated buildings and their replacement with new buildings which will meet the current requirements of the Dukovany Nuclear Power Station. From the current layout the main roads, the gatehouse, the information center and the greenery will be preserved. After removing the selected buildings, the renovation area will be divided into the main axes on which the main road network will be designed. The unsuitable connection to public road infrastructure will be solved by minimizing the entrances to the area to two entrances and by moving the suburban bus station from the main road. After connecting the whole area by roads, the area will be divided into functional areas. In front of the gatehouse there will be a square surrounded by public services, an administrative building and by the preserved information center building. From this space, the main representative space of the entire complex will be created. Warehouses and workshops will be located behind the square. Transport areas will be located at the rear of the complex. Thanks to this location, there will be a good connection with the current factory and also with the planned completion of the new nuclear unit on the west of the area. There will also be educational and sport facilities in the complex. The kindergarten will be oriented towards the preserved greenery.
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Švehla, Ľuboš. "Vysokoškolský internát." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226334.
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New university dormitory in Trnava with five stories is based on the flat land. The first floor is the technical part of the building, space for a temporary accommodation and a separate sales area. Part of the second floor consists of offices for administration, the second part of the floor, as well as the other three stories are designed as a unit system for student accommodation. Total bed capacity is designed for 134 students. The bearing structure of the building is reinforced concrete monolithic skeleton with infill perimeter walls of ceramic bricks. The flat roof of the building is not walkable.
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Pappová, Martina. "Architektonická studie cyklistického stadionu /dráhy/ Favorit Brno /na volné ploše v Brně Komárově/." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-391844.
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The subject of the diploma thesis is an architectural study of a velodrome in Brno Komárov. It is an indoor cycling track which is still missing in the Czech Republic. The whole site of the Hněvkovského sports complex in Komárov was elaborated within the architectural study. The aim of the proposal was to attract a wide range of visitors to the site, so not only buildings for sports were designed. But also two sets of buildings as a modular construction from containers providing premises for rent. The construction of the velodrome was deign as a combination of monolithic reinforced concrete and steel truss structure. The cladding is design from insulated panel system.
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Sy, Soyibou. "Algorithmes semi-implicites pour des problèmes d’interaction fluide structure : approches procédures partagées et monolithiques." Thesis, Mulhouse, 2009. http://www.theses.fr/2009MULH3092/document.
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Dans cette thèse on a développé des algorithmes semi-implicites procédures partagées et monolithiques pour l'interaction entre un fluide gouverné par le modèle de Navier Stokes et une structure. Dans le premier chapitre, on présente un algorithme semi-implicite procédures partagées pour l'interaction entre un fluide et une structure gouvernée soit par les équations d'élasticité linéaire ou soit par le modèle de Saint-Venant Kirchhoff non linéaire. Dans le second chapitre, on propose un algorithme semi-implicite procédures partagées pour l'interaction entre un fluide et une structure de modèle linéaire et on montre un résultat de stabilité inconditionnelle en temps de l'algorithme. Un problème d'optimisation est résolu dans les deux algorithmes précédents, afin de satisfaire les conditions de continuité des vitesses et d'égalité des contraintes à l'interface. Durant les itérations de BFGS pour résoudre le problème d'optimisation, le maillage fluide reste fixe et la matrice fluide n'est factorisée qu'une seule fois, ce qui réduit l'effort de calcul. Dans le troisième chapitre, un algorithme semi-implicite monolithique pour l'interaction entre un fluide et une structure de modèle linéaire est proposé. L'algorithme utilise un maillage global pour le domaine fluide structure. La condition de continuité des vitesses à l'interface est automatiquement satisfaite et celle de l'égalité des contraintes n'apparaît pas explicitement dans la formulation faible. A chaque pas de temps on résout un système monolithique d'inconnues vitesse et pression définies sur le domaine global. Le temps CPU est réduit quand l'approche monolithique est utilisée à la place des procédures partagéesOur aim was to develop some partitioned procedures and monolithic semi-implicit algorithms for solving the interaction between a fluid governed by Navier Stokes equations and a structure. In the first chapter, we propose a partitioned procedures semi-implicit algorithm for solving fluid-structure interaction problems, with a structure governed either by linear elasticity equations or by the non-linear Saint-Venant Kirchhoff model. In the second chapter, we present a partitioned procedures semi-implicit algorithm for solving fluid-structure interaction problem with a linear model for the structure and we prove an unconditional stability result of the algorithm. In the above algorithms, an optimization problem must be solved in order to get the continuity of the velocity as well as the continuity of the stress at the interface. During the iterations of BFGS for solving the optimization problem, the fluid mesh does not move and the fluid matrix is only factorized once, which reduces the computational effort. In the fast chapter, we present a monolithic semi-implicit algorithm for solving fluid-structure interaction problem with linear model for the structure. The algorithm uses one global mesh for the fluid-structure domain. The continuity of velocity at the interface is automatically satisfied and the continuity of stress does not appear explicitly in the global weak form due to the action and reaction principle. At each time step, we have to solve a monolithic system of unknowns velocity and pressure defined on the global fluid-structure domain. When the monolithic approach is used the CPU time is reduced compared to a particular partitioned procedures strategy
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Munné, Vicente. "Monolithic structures formed from alumina hollow microspheres." Thesis, Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/8636.
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Macourková, Klára. "Nosná ŽB konstrukce objektu hotelu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226723.
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The thesis deals with the static solution of monolitic reinforced concrete concstruction of hotel building. Subject of the solutions is reinforced concrete monolithic point – supported ceiling slab, columns, foundations and staircase. Assesment of these structures by the first ultimate state – carrying capacity.
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Adámek, Lukáš. "Administrativní budova." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265220.
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The thesis deals with design of new administrative building, which supposed to serve as headquarters of midsize company with approximately 100 employees. Concept of the building with two overground floors and basement would meet requirements of growing corporate structure, company representation and modern working environment. Rectangular shape of the building allows future dispositional reconstruction and modernization. This layout allows to simplify solution of technical equipment. On the first floor of 870 square meters is facility for employees and clients located including technical background of the building as well. The underground floor is designed as storage, technical background and civil protection shelter. On the second floor are employees and management´s space located. The structural system of the building is composed of reinforced concrete skeletal structure casted in situ. Cladding of the underground section is designed as monolithic concrete walls. Upper part cladding is designed as ceramic masonry walls. The building facade is a combination of smooth aluminium panels, aluminium windows and glass facade with transparent and opaque parts. The main carousel entry is located in the glass facade part.
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Vaňková, Ivana. "Polyfunkční dům." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265651.
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This master thesis deals with study of area, which is intended for construction of apartments building and public facilities. Four building are projected with visually connection by a covered parking place. There are three apartments building and one multifunctional building. The aim of this master thesis is elaboration of project documentation for the implementation of new multifunctional house in the area of the city Uherský Brod. In the first floor is designed café, which has its own entrance. In the second part of the floor is household equipment and utility room, which also has a separate entrance from outside. In the second to fourth floor is ten housing units of different sizes. The object is located on a gently sloping land in the northern part of Uherský Brod in the new city district called “Nad Zámkem”. Wall construction is designed from Porotherm elements. Ceiling construction is monolithic reinforced concrete. Roofing is solved by single-flat roof. The drawing part of this master thesis is processed in AutoCAD.
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Kolb, William Blake. "The coating of monolithic structures analysis of flow phenomena /." Access abstract and link to full text, 1993. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/9318176.
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Meliš, Lenka. "Dům nábytku v Trenčíně." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372236.
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The diploma thesis deals with project design documentation of House of Furniture in Trenčín. The object is designed as a two floor buildings with basement below grand level. Object´s ground plan is rectangular shaped. First floor contains a lobby and open store space. Second floor is meant predominantly for an administrative purposes. Underground garage is designed in basement. Construction system is monolithic skeletal structure with transverse dies and stiffening core. In the middle of object is designed open atrium with vegetation surface. Atrium goes through both of above- ground floors. Object is covered by a flat roof.
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McCallef, Karl. "The dynamic response of blast-loaded monolithic and composite plated structures." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/40127.
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The scope of the thesis is to investigate the dynamic behaviour of plated structures when subjected to blast loading, focusing in particular on localised blast loading. Two main categories of plated structures are investigated, viz. monolithic plates and composite plates. The thesis includes a literature survey of existing works on the subject, which concludes that there is no available method of describing a localised blast load arising from a given charge size, geometry and stand-off distance from target. The review also investigates analytical methods for predicting displacement of plates subjected to blast, assuming rigid-plastic behaviour and the concept of using dimensionless parameters to predict such displacements. The survey also reviews material models for composites and damage mechanisms for these materials. On the basis of these findings, the thesis proposes a systematic method of mathematically describing the spatial and temporal variations of a localised blast load from a known set of threat parameters (explosive type, quantity, size and stand-off distance). The method is validated by comparison of numerical results using the proposed loading function implemented in a finite element analysis software with experimental results of blast loads on steel plates. This leads to the first study, which focuses on the performance of monolithic plates subjected to a blast load of the form described above. Existing formulations for uniform loading found in the literature are extended to consider this new form of loading. Various plate thicknesses are investigated (thick, moderately thick and thin) and it is found that good correlation is achieved with numerical results, even when the blast load is simplified into an impulsive one. The performance of composite plates under blast loading is also investigated, focusing primarily on a new high-performance composite material (namely, Dyneema HB26). Material characterisation and blast loading tests were carried out and these were used to develop a material model for Dyneema, which is validated using finite element simulations. Its performance is numerically compared with mild and armour (Armox 370T Class 1) steel plates of equal areal density and it is found that Dyneema offers an improvement over mild steel, but armour steel plates lead to the least permanent midpoint deflection. Using dimensionless parameters, a simple design guideline is provided to estimate the deflection for a given plate geometry made of a monolithic or composite material subjected to a specific blast load. The use of this guideline was also illustrated by considering various threats and using the proposed method to recommend various plate thicknesses required for different material systems to meet a specified damage limitation. Furthermore, a numerical-analytical method is proposed to predict the occurrence of Mode I delamination (or separation between the plies) in the early-time response of laminated composite materials, by means of stress propagation analysis.
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Darebníček, Pavel. "Statické řešení mostu na dálnici Jánovce-Jablonov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226421.
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The subject of Diploma thesis is the design of bridge on the highway Jánovce - Jablonov and his static solution. Selected variant is made from four span 34+44+44+34m and supporting structure consist of monolithic two beams of prestressed concrete. Height of cross section is over the whole lenght of the bridge constant. Each beams will be built on sliding formwork. The design of supporting structure is made according to limit states, including addressing timing analysis. Calculation of the effects of loading is made by software and reviews are calculated by hand according to Eurocode.
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Baricci, Riccardo Andrea. "Structural Analysis and Form-Finding of Mycelium-Based Monolithic Domes." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/11296/.
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As sustainability becomes an integral design driver for current civil structures, new materials and forms are investigated. The aim of this study is to investigate analytically and numerically the mechanical behavior of monolithic domes composed of mycological fungi. The study focuses on hemispherical and elliptical forms, as the most typical solution for domes. The influence of different types of loading, geometrical parameters, material properties and boundary conditions is investigated in this study. For the cases covered by the classical shell theory, a comparison between the analytical and the finite element solution is given. Two case studies regarding the dome of basilica of “San Luca” (Bologna, Italy) and the dome of sanctuary of “Vicoforte” (Vicoforte, Italy) are included. After the linear analysis under loading, buckling is also investigated as a critical type of failure through a parametric study using finite elements model. Since shells rely on their shape, form-found domes are also investigated and a comparison between the behavior of the form-found domes and the hemispherical domes under the linear and buckling analysis is conducted. From the analysis it emerges that form-finding can enhance the structural response of mycelium-based domes, although buckling becomes even more critical for their design. Furthermore, an optimal height to span ratio for the buckling of form-found domes is identified. This study highlights the importance of investigating appropriate forms for the design of novel biomaterial-based structures.
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Roberge, Jean-François. "Fatigue evaluation of thick monolithic aluminum structures repaired using composite bonded doublers." [S.l. : s.n.], 2001.
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Roberge, Jean-François. "Fatigue evaluation of thick monolithic aluminum structures repaired using composite bonded doublers." Mémoire, Université de Sherbrooke, 2001. http://savoirs.usherbrooke.ca/handle/11143/1295.
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The composite repair of metallic aircraft structures is a proven technology used in many repair applications on both military and commercial aircraft. Composite bonded repairs to metallic aircraft structures are generally used for fatigue enhancement, crack patching, as well as in different kinds of damage repairs. A classical research approach has been adopted for the project. A literature review has been conducted to become acquainted with the crack initiation and crack growth prediction methods in composite bonded repair situations and to gather experimental data for validation purposes. Test data generated by DERA and the USAF has been used to evaluate crack growth and crack initiation analysis tools. Both classical and FEA based fatigue analysis have been evaluated for accuracy. From the evaluation, a list of deficiencies has been developed, and a new methodology proposed to improve the fatigue life prediction for thick cracked aluminum structures. The new methodology provides a good compromise between accuracy and complexity in the analysis of bonded repair designs. A new set of data was generated, due to the lack of experimental crack growth data available for typical CF18 materials and spectrum loading. The proposed methodology has been evaluated against existing and new test data generated for the project. The designed test coupons had a centre section of 6.35 mm (0.25 inch) of thickness and were made of 7050-T7451 Aluminum. Coupon testing was realized using spectrum loading representative of CF-18 usage. This project has been realized in collaboration with the Canadian Department of National Defence (DND), Martec Limited and the Université de Sherbrooke"--Résumé abrégé par UMI
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Rugeland, Patrik. "Applications of monolithic fiber interferometers and actively controlled fibers." Doctoral thesis, KTH, Laserfysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-118750.
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The objective of this thesis was to develop applications of monolithic fiber devices and actively controlled fibers. A special twin-core fiber known as a ‘Gemini’ fiber was used to construct equal arm-length fiber interferometers, impervious to temperature and mechanical perturbations. A broadband add/drop multiplexer was constructed by inscribing fiber Bragg gratings in the arms of a Gemini Mach-Zehnder interferometer. A broadband interferometric nanosecond switch was constructed from a micro-structured Gemini fiber with incorporated metal electrodes. Additionally, a Michelson fiber interferometer was built from an asymmetric twin-core fiber and used as a high-temperature sensor. While the device could be readily used to measure temperatures below 300 °C, an annealing process was required to extend the range up to 700 °C. The work included development, construction and evaluation of the components along with numerical simulations to estimate their behaviors and to understand the underlying processes. The thesis also explored the use of electrically controlled fibers for filtering in the microwave domain. An ultra-narrow phase-shifted fiber Bragg grating inscribed in a fiber with internal electrodes was used as a scanning filter to measure modulation frequencies applied to an optical carrier. A similar grating was used inside a dual-wavelength fiber laser cavity, to generated tunable microwave beat frequencies. The studied monolithic fiber interferometers and actively controlled fibers provide excellent building blocks in such varied field as in microwave photonics, telecommunications, sensors, and high-speed switching, and will allow for further applications in the future.Syftet med denna avhandling var att utveckla tillämpningar av monolitiska fiber komponenter samt aktivt kontrollerbara fiber. En speciell tvillingkärnefiber, även kallad ’Geminifiber’ användes för att konstruera fiber interferometrar med identisk armlängd som ej påverkas av termiska och mekaniska variationer. En bredbanding utbytarmultiplexor konstruerades genom att skriva in fiber Bragg gitter inuti grenarna på en Gemini Mach-Zehnder interferometer. Geminifibrer med interna metallelektroder användes för att konstruera en bredbandig nanosekundsnabb interferometrisk fiberomkopplare. Därtill användes en tvillingkärnefiber som en hög-temperatursensor. Även om komponenten direkt kan användas upp till 300 °C, måste den värmebehandlas för att kunna användas upp till 700 °C. Arbetet har innefattat utveckling, konstruktion och utvärdering av komponenterna parallellt med numeriska simuleringar för att analysera deras beteenden samt få insikt om de underliggande fysikaliska processerna. Avhandlingen behandlar även tillämpningar av en elektriskt styrbar fiber för att filtrera radiofrekvenser. Ett ultrasmalt fasskiftat fiber Bragg gitter skrevs in i en fiber med interna elektroder och användes som ett svepande filter för att mäta modulationsfrekvensen på en optisk bärfrekvens. Ett liknande gitter användes inuti en laserkavitet för att generera två olika våglängder samtidigt. Dessa två våglängder användes sedan för att generera en svävningsfrekvens i mikrovågsbandet. De undersökta monolitiska fiberinterferometrarna och de aktivt styrbara fibrerna erbjuder en utmärkt byggsten inom så pass skiljda områden som Mikrovågsfotonik, Telekommunikation, Sensorer samt Höghastighets-omkopplare och bör kunna användas inom många olika tillämpningar i framtiden.
QC 20130226
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Sergeeva, Anna. "Centrum chytré čtvrti Špitálka." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2021. http://www.nusl.cz/ntk/nusl-443698.
Full textAbstract:
The proposed building is part of a complex of three buildings. The task was to create the dominants of the new territory, which would include functions corresponding to the concept of a smart neighborhood. The building has 19 floors above ground and two underground. The simple shape is complemented by the corrugated roof of the congress center and the curved atrium. The main entrance is towards the new city street, the main facade of the congress center faces the square. The dynamics of the shape of the high-rise building is supported by an irregular grid of windows, the combination of full masonry and leaky lighten the facade of the lower part.
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Chitti, Babu Surendra. "Development of tailored preform processing technology for net-shape manufacturing of large monolithic structures." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/4861.
Full textAbstract:
Thesis (Ph. D.)--University of Missouri-Columbia, 2007.The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on January 31, 2008) Vita. Includes bibliographical references.
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Wehring, Markus, Jan-Henrik Smått, Mika Lindén, Frank Stallmach, and Jörg Kärger. "NMR studies on silica monoliths - diffusion in a hierarchical pore structure." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-194114.
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Wehring, Markus, Jan-Henrik Smått, Mika Lindén, Frank Stallmach, and Jörg Kärger. "NMR studies on silica monoliths - diffusion in a hierarchical pore structure." Diffusion fundamentals 6 (2007) 71, S. 1-2, 2007. https://ul.qucosa.de/id/qucosa%3A14251.
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Rokotianskaia, Kseniia. "Facelift EDU." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-414282.
Full textAbstract:
The subject of the diploma thesis is the elaboration of an architectural study of the reconstruction of the pre-plant zone of the Facelift of the Dukovany power plant. The construction site is an area that belongs to the village of Dukovany and borders the village of Rouchovany. As a whole, this area is in poor technical and architectural condition. However, its location gives potential for new uses. The solved area belongs to the ČEZ nuclear power plant.
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Zhakupbekova, Rakhil. "Facelift EDU." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-414302.
Full textAbstract:
The subject of the diploma thesis is the elaboration of an architectural study of the reconstruction of the pre-plant zone of the Facelift of the Dukovany power plant. The construction site is an area that belongs to the village of Dukovany and borders the village of Rouchovany. As a whole, this area is in poor technical and architectural condition. However, its location gives potential for new uses. The solved area belongs to the ČEZ nuclear power plant.
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Konishi, Junko. "Studies on functional TiO2 and ZrO2 monoliths with controlled porous structures." 京都大学 (Kyoto University), 2008. http://hdl.handle.net/2433/136298.
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Gonçalves, Bianca Leopoldo. "Porous structures for the purification of biopharmaceuticals." Master's thesis, Faculdade de Ciências e Tecnologia, 2014. http://hdl.handle.net/10362/12128.
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This work aimed at the development of a (bio)polymeric monolithic support for biopharmaceuticals purification and/or capture. For that, it was assured that functional groups on its surface were ready to be involved in a plethora of chemical reactions for incorporation of the desired and most suitable ligand. Using cryogelation as preparation method a screening on multiple combinations of materials was performed in order to create a potentially efficient support with the minimal footprint, i.e. a monolithic support with reasonable mechanical properties, highly permeable, biocompatible, ready to use, with gravitational performance and minimal unspecific interactions towards the target molecules, but also biodegradable and produced from renewable materials. For the pre-selection all monoliths were characterized physico-chemically and morphologically; one agarose-based and two chitosan-based monoliths were then subjected to further characterizations before and after their modification with magnetic nanoparticles. These three specimens were finally tested towards adenovirus and the recovery reached 84% for the chitosan-GMA plain monolith prepared at -80°C.
Monoliths based on chitosan and PVA were prepared in the presence and absence of magnetic particles, and tested for the isolation of GFP directly from crude cellular extracts. The affinity ligand A4C7 previously selected for GFP purification was synthesized on the monolith. The results indicated that the solid-phase synthesis of the ligand directly onto the monolith might require optimization and that the large pores of the monoliths are unsuitable for the purification of small proteins, such as GFP.project PTDC/EBB-BIO/118317/2010
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Bombardier, Yan. "Prediction of the shape of fatigue cracks propagating in thick monolithic aluminium structures repaired using composite bonded doublers." Mémoire, Université de Sherbrooke, 2004. http://savoirs.usherbrooke.ca/handle/11143/1417.
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Developed in the 1970's, the composite bonded repair technology has been proven to be an efficient and reliable method for use on metallic aircraft structures. The purpose of this method is to slow or arrest crack growth, and thus, prolong the life of the structure. The technology has been successfully used in repair applications on both military and civil aircraft for fatigue enhancement and crack patching. However, the installation of composite bonded repairs on aircraft must satisfy their damage tolerance requirements to ensure the safe operation of the aircraft. To meet these requirements, reliable crack growth prediction models are one of the tools required to assess the safety of the repaired structures without the need for long and expensive test programs. Thus, accurate prediction tools are the key that will help this technology to be integrated in structural integrity programs by the aeronautical industry. In 2001, Martec Limited performed a research study intended to survey the available crack initiation and crack growth prediction tools for fatigue life evaluation of thick aluminium structures repaired using composite bonded doublers. The approach developed by Martec provided accurate crack growth predictions for the case of double-sided repairs, but did not provided the same level of accuracy for the single-sided repair configurations. It was therefore recommended by Martec to investigate the influence of crack shape on the crack growth predictions to achieve more accurate predictions for single-sided repair configurations. Consequently, a new systematic crack growth prediction methodology, based on 3D finite element methods, was developed for thick structures repaired using composite bonded doublers. The methodology considers effects specific to bonded composite repairs, such as the effect of thermal residual strains caused by the curing process, the effect of out-of-plane bending, and the crack shape. The methodology was tested using three different experimental tests found in literature. The experimental crack shapes and crack growth data were compared with numerical results. Good agreement between experimental and numerical crack growth predictions was obtained and the gain in accuracy acquired by including the shape of the crack was demonstrated. As part of a collaborative program on fatigue prediction of bonded repairs, Martec Limited has initiated this research project in collaboration with the Department of National Defence (DND), the Chief of Research And Development (CRAD), and Sherbrooke University. This project was conducted at Martec, under the auspices of the partnership program for masters and doctoral studies in the workplace of Sherbrooke University.
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Novák, Jiří. "Novostavba Přírodovědecké fakulty Jihočeské univerzity v Českých Budějovicích - příprava realizace stavby." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226089.
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This thesis deals with the preparation of construction management, Faculty of Science, University of South Čekých Budějovice. The work includes a technical report on building technological project, coordinating the situation, time and financial plan, a study of the implementation of the main technological stages, the design of construction machines and mechanisms, the schedule of the main building structure, technological prescription for ventilated facade structures, inspection and test quality plan for the object SO 100, itemized budget plan and the main subject of risks arising from the construction and their action.
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Malečková, Kateřina. "Architektonická studie sakrálního objektu Brno - Líšeň." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-414268.
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The topic of this diploma thesis is design processing of a new sacral building in Brno-Líšeň district. It is a plot in the middle of a panel building between the health centre building and the building of the Salesian Youth Center, so-called Salesko. The Salesian community, which will use the building the most, has been waiting for the realization of this building for many years. The key theme is the creation of spaces enabling people to meet for worship, celebrations and social events. The design is processed by two interconnected operations - the building of the Church of the Descent of the Holy Spirit and the building of clergy house. The basic composition consists of three cubic masses - the entrance, the main liturgical space and the clergy house. The bell tower is the height dominant feature which indicates the sacral function of the building. The project consists a set of buildings with two above-ground floors and a basement in the entrance part of the church. This project also mentions the solution of open spaces around the plot and their conversion into quality public areas, marginally. The sacral space is to become a place that welcomes and takes in its visitors and gives them the feeling of safety. Inside this building, people will find peace, support and undestarstanding, so they may leave with the feeling of being a better person.
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Sousa, Margarida Bucho Nunes de. "Smart macroporous structures for the purification of viral particles." Master's thesis, Faculdade de Ciências e Tecnologia, 2014. http://hdl.handle.net/10362/12179.
Full textAbstract:
Dissertação para obtenção do Grau de Mestre em
Engenharia Química e BioquímicaThe increasing application of viral particles in vaccination and gene-based therapies, has led to the development of alternative and improved purification processes. Traditional purification methods include chromatographic techniques, however the chromatographic matrices used present limitations specially when aimed at the purification of large molecules. This work presents the preparation of chitosan-based monoliths using clean processes and easy functionalization techniques intending to improve Adenovirus serotype 5 (Ad5) purification. Monoliths were prepared by blending chitosan (CHT) with glycidylmethacrylate (GMA) or poly(vinyl alcohol) (PVA), using two preparation techniques, freeze-drying and a scCO2 – assisted drying process, and were subsequently functionalized with Q ligands by three different methods. In addition, monoliths blended with magnetic nanoparticles were also prepared using the same strategies to confer them a controlled magnetic response. The monoliths produced were characterized in terms of ligand immobilization yield, and evaluated for Ad5 purification. Two types of monoliths showed potential: the CHT/PVA(50:50) prepared by freeze drying and functionalized by the alternative plasma technique (M2) and the CHT/PVA(50:50) 7% monolith prepared by scCO2 – assisted drying process and functionalized by the epoxyactivation technique (M1). The amount of ligand Q immobilized on the supports was monitored by titration assays, among which the CHT/PVA(50:50) 7% M2 prepared by scCO2 – assisted drying process exhibited the highest immobilization yield (91%). Among the results for Ad5 purification, the CHT/PVA(50:50)M2 and the CHT/PVA(50:50)7% M1 resulted in a 40% and 14% of the viral particles, respectively. Protein-binding assays were conducted using bovine serum albumin (BSA) and lysozyme, to evaluate the anionic-exchange capacity of the supports. The results make us believe in the potential of the produced monoliths to be applied in chromatographic techniques. However further improvements are necessary to enhance virus binding and recovery, to obtain an improved purification process.
project PTDC/EBB-BIO/118317/2010
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Findejs, Lukáš. "Stavebně technologický projekt haly firmy PP&T." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227774.
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This thesis includes the construction technology project of the production hall of the company PP&T. The work includes technical report object, technological specification for the shell construction, quality control, report site equipment, a report describing the health and safety forth motion of mechanical assemblies, and a report describing the transport relations. The annexes drawings of site equipment, connection details of prefabricated elements, plan of risks, budget and schedule for the main subject and time financial plan for the whole construction.