Academic literature on the topic 'Monolithic structure'

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Journal articles on the topic "Monolithic structure"

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Storodubtseva, Tamara. "Wood composite - improving its monolithic structure." Актуальные направления научных исследований XXI века: теория и практика 2, no. 3 (October 15, 2014): 253–56. http://dx.doi.org/10.12737/3967.

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Chen, Ai Bing, Yun Hong Yu, Yi Feng Yu, Hai Jun Lv, Ting Ting Xing, Yue Tong Li, and Wen Wei Zang. "Monolithic Macroporous-Mesoporous Carbon Using Ionic Liquids as Carbon Source." Advanced Materials Research 988 (July 2014): 23–26. http://dx.doi.org/10.4028/www.scientific.net/amr.988.23.

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A facile approach is employed for the preparation of hierarchically porous structures monolithic ordered macroporous-mesoporous silica materials (OMS) using the commercially available and cheap polyurethane (PU) foam as monolithic template, triblock copolymer P123 (EO20PO70EO20) as structure-directing agent and tetraethyl orthosilicate (TEOS) as silica source, then monolithic ordered macro porous-mesoporous carbon materials (OMC) is synthesized by using monolithic ordered macroporous-mesoporous silica materials as hard template and ionic liquids as the carbon source. The silica and carbon monoliths possess uniform pore sizes (3.74-3.84 nm) and ordered mesostructure.
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Chen, Jiawei, Fangfang Liu, Yongfeng Li, Yongshen Dou, Sanmao Liu, and Liangjun Xiao. "Self-standing zeolite foam monoliths with hierarchical micro–meso–macroporous structures." Royal Society Open Science 7, no. 8 (August 2020): 200981. http://dx.doi.org/10.1098/rsos.200981.

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The zeolite monoliths were synthesized by a facile polymer scaffold template assisted hydrothermal method. The selected foam-shaped template of a polyurethane (PU) foam monolith, was used to prepare the self-standing zeolite foam (ZF) monolithic materials. The obtained ZF products can preserve the same size, shape and macroporous network structure of the original PU foam scaffold template, although the zeolite nano-crystallites had been fully substituted for the PU template to form the new skeleton struts and walls. The as-synthesized ZF products demonstrated abundant hierarchical porosity (involving triple micro-, meso- and macropores). Meanwhile, compared with the conventional zeolite powders, the self-standing ZF monolithic materials exhibited greater total pore volume and nearly three times higher mesopore volume, suggesting wider applications as catalysts, catalyst supports and adsorbents in industry.
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Li, Bao Hui, and Bao Juan Tian. "The Preparation and Characterization of Organic–Inorganic Hybrid Material Amino Monolithic Column for Capillary Electro Chromatography." Applied Mechanics and Materials 130-134 (October 2011): 410–13. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.410.

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In this paper a novel hybrid organic–inorganic amino hybrid material monolithic column for capillary electro chromatography (CEC) is preparation and characterization. The amido hybrid material monolithic column was prepared in situ co-condensation of tetraethoxysilane (TEOS) with 3-aminoproplytriethoxysilane (3-APTES) via sol-gel procedure. The all kinds of factors that effect the morphology of monolith column were investigated. The results showed that the structure of monolithic column could be adjusted easily through altering the composition of sol solution.
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Korol, Elena, Daniil Mostovoy, and Alexander Pleshivcev. "Technological parameter optimization of multilayer enclosure structures with the multiple-criteria decision analysis." MATEC Web of Conferences 170 (2018): 03031. http://dx.doi.org/10.1051/matecconf/201817003031.

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Nowadays modern monolithic construction is moving toward in balanced structural safety improving, energy efficiency and cost reduction with no-loss in quality characteristics. All this trends are possible due to bearing and enclosure wall construction technology optimization. Construction process efficiency is closely bounded with innovative material using both with a selection of effective work technology. To determine and justify the choice of material and construction technology researches are conducted. To select the most effective combination in the construction of enclosing building design, a multiple-criteria decision analysis of the work processability is used. The conducted numerical researches and the analysis of results have revealed that the most effective solution from the point of view of construction manufacturability of building enclosing structures and also which corresponds to the requirement of building heat protection is the using of monolith sandwich – multi-layered monolithic structure with a low-thermal conductivity concrete as a monolithic thermal insulation layer.
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Prabhakaran, D., C. Subashini, and M. Akhila Maheswari. "Synthesis of Mesoporous Silica Monoliths — A Novel Approach Towards Fabrication of Solid-State Optical Sensors for Environmental Applications." International Journal of Nanoscience 15, no. 05n06 (October 2016): 1660014. http://dx.doi.org/10.1142/s0219581x16600140.

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Mesoporous silica monoliths are an attractive area of research owing to their high specific surface area, uniform channels and mesoporous size (2–30[Formula: see text]nm). This paper deals with the direct templating synthesis of a mesoporous worm-like silica monolithic material using F127 — a triblock copolymer, by micro-emulsion technique using trimethyl benzene (TMB), as the solvent. The synthesized silica monolith is characterized using SEM-EDAX, XRD, BET, NMR and FT-IR. The monolith shows an ordered worm-like mesoporous structure with tuneable through pores, an excellent host for the anchoring of chromo-ionophores for the naked-eye metal ion-sensing. The mesoporous monoliths were loaded with 4-dodecyl-6-(2-pyridylazo)-phenol (DPAP) ligand through direct immobilization, thereby acting as solid-state naked-eye colorimetric ion-sensors for the sensing toxic Pb[Formula: see text] ions at parts-per-billion (ppb) level in various industrial and environmental systems. The influence of various experimental parameters such as solution pH, limiting ligand loading concentration, amount of monolith material, matrix tolerance level, limit of detection and quantification has been studied and optimized.
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Chan, C., J. L. McCrea, G. Palumbo, and Uwe Erb. "Microstructural and Mechanical Characterization of Multilayered Iron Electrodeposits." Advanced Materials Research 409 (November 2011): 474–79. http://dx.doi.org/10.4028/www.scientific.net/amr.409.474.

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Monolithic and multilayered iron electrodeposits were successfully synthesized by the pulse plating electrodeposition method. Electron microscopy and Vickers microhardness measurements were used to investigate the microstructure and mechanical properties of the iron electrodeposits produced. Two types of monolithic iron coatings were produced, one with a coarse grained, columnar structure and the other with an ultra-fine grained structure. Hall-Petch type grain size strengthening was observed in these monolithic coatings. Multilayered iron coatings composed of alternating layers of coarse grained and fine grained structures were also produced. The hardness value of the multilayered coatings falls between the hardness values for the two types of monolithic coatings produced. This study has demonstrated the possibility of applying a multilayered structure design to tailor the microstructure and mechanical properties of electrodeposited iron coatings.
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Leonov, A. N., O. L. Smorygo, and V. K. Sheleg. "Monolithic catalyst supports with foam structure." Reaction Kinetics and Catalysis Letters 60, no. 2 (March 1997): 259–67. http://dx.doi.org/10.1007/bf02475687.

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Alessandretti, Rodrigo, Raissa Ribeiro, Marcia Borba, and Alvaro Della Bona. "Fracture Load and Failure Mode of CAD-on Ceramic Structures." Brazilian Dental Journal 30, no. 4 (July 2019): 380–84. http://dx.doi.org/10.1590/0103-6440201902574.

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Abstract This study evaluated the fracture load (Lf) and the failure mode of CAD-on (Ivoclar Vivadent) ceramic structures, testing the hypotheses that Lf of multilayer structures is governed by the veneering ceramic strength and that chipping is more frequent in multilayer than monolithic structures. Disc-shaped specimens were fabricated as follows: CAD-on- trilayer structure composed of Y-TZP (yttria stabilized tetragonal zirconia polycrystal- IPS e.max ZirCAD) infrastructure, fusion glass-ceramic (IPS e.max CAD Crystall/Connect) and lithium disilicate-based glass-ceramic (IPS e.max CAD); YLD- bilayer structure composed of Y-TZP infrastructure and fluorapatite layering ceramic (IPS e.max Ceram); LDC- monolithic lithium-disilicate glass-ceramic (IPS e.max CAD); and YZW- monolithic Y-TZP (Zenostar Zr Translucent). The specimens were loaded in compression until failure and fracture surfaces were evaluated using fractographic principles. Lf values were statistically analyzed using the Weibull statistics, Kruskal-Wallis and Dunn tests (a= 0.05). YZW (1329 N) and CAD-on (1085 N) showed the greatest Lf median values, followed by YLD (832 N) and LDC (421 N). All monolithic structures (LDC and YZW) fractured catastrophically and all YLD structures failed by chipping. The CAD-on technique seems to be a very promising fabrication process because it showed high Lf, similar to monolithic zirconia, and small chipping rate.
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Wang, Su Guo, and Chen Yu Yang. "The Crack Investigation and Analysis of Frame Structure Subjected to Lateral Loading." Applied Mechanics and Materials 71-78 (July 2011): 1885–88. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.1885.

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The crack development of two cast-in-situ RC frame structures subjected to lateral loading was investigated. Then the develop reasons were analyzed. The investigation indicates that the existence of monolithic slab in reinforced concrete frame structure overstrengthened the actual flexural capability of longitudinal beams. Therefore, the participation of monolithic slabs should be made in consideration in structural design to achieve the strong column weak beam philosophy.
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Dissertations / Theses on the topic "Monolithic structure"

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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-Rivlin
The 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 obtenus
Software 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&gt. "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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Books on the topic "Monolithic structure"

1

Schuster, C. E. Test structure implementation document: DC parametric test structures and test methods for monolithic microwave integrated circuits (MMICs). Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1995.

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Schuster, C. E. Test structure implementation document: DC parametric test structures and test methods for monolithic microwave integrated circuits (MMICs). Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1995.

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Schuster, C. E. Test structure implementation document: DC parametric test structures and test methods for monolithic microwave integrated circuits (MMICs). Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1995.

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Plural cultures and monolithic structures: Comprehending India. Delhi: Primus Books, 2013.

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American Concrete Institute. Committee 352. Recommendations for design of beam-column joints in monolithic reinforced concrete structures. [Detroit]: American Concrete Institute, 1985.

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American Concrete Institute. Committee 352. Recommendations for design of slab-column connections in monolithic reinforced concrete structures. [Detroit]: American Concrete Institute, 1988.

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Itoh, Tatsuo. Analysis and characterizations of planar transmission structures and components for superconducting and monolithic integrated circuits: For the period October 1, 1989 to November 12, 1990. Cleveland, Ohio: National Aeronautics and Space Administrtion, Lewis Research Center, 1990.

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Alekseenko, Vasiliy, and Oksana Zhilenko. Design, construction and operation of buildings in seismic areas. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1000210.

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The main purpose of the textbook is to acquaint students and engineers with the principles of design and construction of buildings and structures in seismic areas. The tutorial sets out the basic principles of design and construction of frame, large-panel buildings, buildings with load-bearing walls made of small-piece stones and large blocks, buildings made of local materials, frameless buildings made of monolithic reinforced concrete. The design requirements for buildings in earthquake-prone areas are described, and the main requirements for the production of works and implementation of anti-seismic measures during construction are outlined. Architectural, construction, design and technological aspects of construction in seismic areas are revealed. Meets the requirements of Federal state educational standards of higher education of the latest generation. It is intended for students studying in the areas of training 08.03.01 and 08.04.01 "Construction" in the following disciplines: "Design, construction and operation of buildings in seismic areas", "Theory and design of buildings and structures in seismic areas".
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Gli obelischi di Roma: Dalle sabbie dell'antico Egitto alle piazze della città eterna, dagli imponenti monoliti eretti dai faraoni alle imitazioni successive : un viaggio nella storia e nei segreti dei monumenti simbolo del potere. Roma: Newton Compton, 2007.

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United States. Defense Advanced Research Projects Agency, Wright Laboratory (Wright-Patterson Air Force Base, Ohio), and National Institute of Standards and Technology (U.S.), eds. Test structure implementation document: DC parametric test structures and test methods for monolithic microwave integrated circuits (MMICs). Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1995.

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Book chapters on the topic "Monolithic structure"

1

Skudas, Romas, Matthias Thommes, and Klaus K. Unger. "Characterization of the Pore Structure of Monolithic Silicas." In Monolithic Silicas in Separation Science, 47–80. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527633241.ch4.

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Kaliszan, Roman, and Michał J. Markuszewski. "Quantitative Structure-Retention Relationships in Studies of Monolithic Materials." In Monolithic Silicas in Separation Science, 157–72. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527633241.ch8.

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Murea, Cornel Marius. "Monolithic Algorithm for Dynamic Fluid-Structure Interaction Problem." In Advanced Structured Materials, 135–46. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3764-1_9.

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Pironneau, Olivier. "Numerical Study of a Monolithic Fluid–Structure Formulation." In Variational Analysis and Aerospace Engineering, 401–20. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45680-5_15.

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Cerroni, D., D. Giommi, S. Manservisi, and F. Mengini. "Preliminary Monolithic Fluid Structure Interaction Model for Ventricle Contraction." In Biomedical Technology, 217–31. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59548-1_12.

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Tezuka, Yojiro, Masanori Ueda, Yoshinobu Baba, Hiroaki Nakanishi, Takahiro Nishimoto, Yuzuru Takamura, and Yasuhiro Horiike. "DNA Size Separation Employing Micro-Fabricated Monolithic Nano-Structure." In Micro Total Analysis Systems 2002, 212–14. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0295-0_71.

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Darnieder, Maximilian, Thomas Fröhlich, and René Theska. "Tilt Sensitivity Modeling of a Monolithic Weighing Cell Structure." In Interdisciplinary Applications of Kinematics, 257–64. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16423-2_24.

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Turek, S., J. Hron, M. Mádlík, M. Razzaq, H. Wobker, and J. F. Acker. "Numerical Simulation and Benchmarking of a Monolithic Multigrid Solver for Fluid-Structure Interaction Problems with Application to Hemodynamics." In Fluid Structure Interaction II, 193–220. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14206-2_8.

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Setareh, Mehdi, and Robert Darvas. "Formwork for Monolithic Concrete Construction." In Concrete Structures, 517–65. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-24115-9_8.

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Brownbill, Robert, Philip Silk, Peter Whiteside, Windo Hutabarat, and Harry Burroughes. "High-Load Titanium Drilling Using an Accurate Robotic Machining System." In IFIP Advances in Information and Communication Technology, 140–52. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72632-4_10.

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AbstractRobotic drilling systems have been used in the manufacture of large aerospace components for a number of years. Systems have been developed by several systems integrators in order to accurately drill materials from CFRP to Titanium. These systems, however, have been unable to achieve large diameter holes in Titanium due to reduced structural stiffness and end effector capabilities. Typically, large holes are either drilled using large cartesian CNC-controlled machines or drilled using automated drilling units (ADU). However, there is a pull from aerospace OEMS to move away from large monolithic machines, in favour of flexible robotic system. Flexible robotic systems provide a number of benefits for large structure assembly. The following report primarily outlines drilling trials conducted on the Accurate Robotic Machining System, during which holes from 25 mm to 32 mm ID were drilled in titanium implementing an empirical test schedule. Additionally, a discussion on the benefits of drilling large diameter holes using flexible robotic platforms.
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Conference papers on the topic "Monolithic structure"

1

Santer, Matthew, and Sergio Pellegrino. "An Asymmetrically-Bistable Monolithic Energy-Storing Structure." In 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2004. http://dx.doi.org/10.2514/6.2004-1527.

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Hsu, Shou-Jen, and Chin C. Lee. "A monolithic aluminum circuit board structure." In 2013 IEEE 63rd Electronic Components and Technology Conference (ECTC). IEEE, 2013. http://dx.doi.org/10.1109/ectc.2013.6575748.

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Kaftaranova, M. I., N. V. Artyukhova, S. G. Anikeev, A. S. Garin, A. N. Monogenov, and V. E. Gunther. "Study of structural features of monolithic TiNi-based alloy to produce porous monolithic structures." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5132010.

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Zakariya, Abdullah J., and Patrick LiKamWa. "Multiple wavelength LED on monolithic QW structure." In SPIE Optical Engineering + Applications, edited by Matthew H. Kane, Christian Wetzel, Jian-Jang Huang, and Ian T. Ferguson. SPIE, 2012. http://dx.doi.org/10.1117/12.928011.

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Etienne, Stephane, Dominique Pelletier, and Andre Garon. "A monolithic formulation for unsteady Fluid-Structure Interactions." In 44th AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.2006-694.

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Yokota, T., S. Ukai, M. Shikida, and K. Sato. "Fabrication of monolithic flow sensor on tube structure." In TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference. IEEE, 2009. http://dx.doi.org/10.1109/sensor.2009.5285532.

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Weber, Gary R., and Jeffrey D. Morgan. "Monolithic Structure Affordability: 737 Classic Versus Next Generation." In Aerospace Manufacturing Technology Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2003. http://dx.doi.org/10.4271/2003-01-2909.

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Cao, X. F., Y. A. Jin, Z. P. Jiang, and Y. Liu. "Optimization of Oil Channel Structure of Monolithic Radiator." In International Conference on Computer Information Systems and Industrial Applications. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/cisia-15.2015.246.

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Fernandez, Felix E., C. Riedel, A. Smith, B. Edwards, B. Lai, F. Cerrina, Martin J. Carr, et al. "Monolithic Fabry-Perot Structure For Soft X-Rays." In 32nd Annual Technical Symposium, edited by Finn E. Christensen. SPIE, 1988. http://dx.doi.org/10.1117/12.948795.

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Jeong, J. W., D. J. Kim, H. S. Kim, S. K. Choi, and D. Y. Kim. "Experimental evaluation of arrayed microcolumn with a monolithic structure." In Digest of Papers. 2004 International Microprocesses and Nanotechnology Conference, 2004. IEEE, 2004. http://dx.doi.org/10.1109/imnc.2004.245748.

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Reports on the topic "Monolithic structure"

1

Coldren, Larry A. Efficient, High-Speed, Monolithic Optoelectronic Circuits Using Quantum- Confined Structures. Fort Belvoir, VA: Defense Technical Information Center, July 1991. http://dx.doi.org/10.21236/ada239841.

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Katehi, Linda, and Gabriel M. Rebeiz. Theoretical and Experimental Study of Low-Loss, High- Efficiency Monolithic Antenna Structures at 94 GHz. Fort Belvoir, VA: Defense Technical Information Center, February 1995. http://dx.doi.org/10.21236/ada291785.

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Itoh, Tatsuo. Studies of Non-Reciprocal Effects in Planar Submillimeter to Optical Waveguiding Structures and of Monolithic Circuits. Fort Belvoir, VA: Defense Technical Information Center, October 1988. http://dx.doi.org/10.21236/ada201704.

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4

Fehl, Barry D., Gullermo A. Riveros, and Sharon Garner. Nonlinear, Incremental Structural Analysis of McAlpine Lock Replacement for Chamber, Miter Gate, and Culvert Valve Monoliths. Fort Belvoir, VA: Defense Technical Information Center, May 1997. http://dx.doi.org/10.21236/ada327152.

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