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Dissertations / Theses on the topic 'Complex mdof structural systems'

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1

Gunay, Mehmet Selim. "An Equivalent Linearization Procedure For Seismic Response Prediction Of Mdof Systems." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609447/index.pdf.

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Nonlinear response history analysis is accepted as the most accurate analytical tool for seismic response determination. However, accurate estimation of displacement responses using conceptually simple, approximate analysis procedures is preferable, since there are shortcomings in the application of nonlinear response history analysis resulting from its complexity. An equivalent linearization procedure, which utilizes the familiar response spectrum analysis as the analysis tool and benefits from the capacity principles, is developed in this thesis study as an approximate method for predicting
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2

Rodríguez-Dávila, Héctor M. "Optimum design for feedforward structural-acoustic control of complex structural systems." Diss., Virginia Tech, 1996. http://hdl.handle.net/10919/40254.

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3

Thomya, Panthida. "STRUCTURAL CHARACTERIZATION OF COMPLEX POLYMER SYSTEMS BY DEGRADATION / MASS SPECTROMETRY." Akron, OH : University of Akron, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1163969934.

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Thesis (Ph. D.)--University of Akron, Dept. of Chemistry, 2006.<br>"December, 2006." Title from electronic dissertation title page (viewed 04/24/2008). Advisor, Chrys Wesdemiotis; Committee members, Matthew P. Espe, Jun Hu, Wiley J. Youngs, Frank W. Harris; Department Chair, Kim C. Calvo; Dean of the College, Ronald F. Levant; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.
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4

Abat, Diren. "Harmonic Vibration Analysis Of Large Structures With Local Nonlinearity." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610475/index.pdf.

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With the rapid development in today&rsquo<br>s technology, reliability and performance requirements on components of various mechanical systems, which tend to be much lighter and work under much more severe working conditions, dramatically increased. In general, analysis techniques based on simplified model of structural components with linearity assumption may provide time saving for solutions with reasonable accuracy. However, since most engineering structures are often very complex and intrinsically nonlinear, in some cases they may behave in a different manner which cannot be fully describ
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5

Coccon, Marco. "Structural Reliability Analysis of Complex Systems: Applications to Offshore and Composite Structures." Doctoral thesis, Università degli studi di Padova, 2015. http://hdl.handle.net/11577/3424201.

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This thesis aims at developing new methodologies for the reliability analysis of structural systems with applications to offshore and aeronautical fields. In general, sructures of practical interest are complex redundant systems, in which more than one element is required to fail in order to have catastrophic failure. Moreover, ramdomness inherently exists in both material properties and external loads. As a result, complex structural systems are typically characterised by a huge number of possible failure sequences, of which only some are most likely to occour. Therefore, for an efficient ris
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6

Al-Haddad, Tristan Farris. "PerFORMance: Integrating Structural Feedback into Design Processes for Complex Surface-Active Form." Thesis, Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-07102006-111810/.

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7

Rahman, Brian M. "Sensor Placement for Diagnosis of Large-Scale, Complex Systems: Advancement of Structural Methods." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1562859497638274.

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8

Hoppe, Konrad. "Complex networks with node intrinsic fitness : on structural properties and contagious phenomena." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/10345.

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Complex networks is a vibrant research field and has received much attention over the last decade. Central to this area is the question of how networks around us are constructed. The essential notion of network research is that these systems are assembled in a decentralised way, thus no central agent is planning the network beforehand. Despite this lack of central coordination, many networks present intriguing universalities, such as broad degree distributions, in the form of power-laws. The subject of study in this thesis is a class of networks that are constructed by a node intrinsic variabl
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9

Goode, Natassia. "Determinants of the control of dynamic systems: The role of structural knowledge." Thesis, The University of Sydney, 2011. http://hdl.handle.net/2123/8967.

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In educational and organisational settings it has become common practice to use computer-based complex problems that represent dynamic systems for assessment and training purposes. In the interpretation of performance scores and the design of training programs, it is often assumed that the capacity to effectively control the outcomes of a dynamic system depends on the acquisition of structural knowledge. Control performance scores are generally interpreted as evidence of individual differences in the capacity to acquire and utilise structural knowledge and training programs typically try to im
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10

Hagström, Peter. "The "wired" MNC : the role of information systems for structural change in complex organizations /." Stockholm : Inst. of Intern. Business, 1991. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=002955192&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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11

Hagström, Peter. "The 'wired' MNC : the role of information systems for structural change in complex organizations." Doctoral thesis, Handelshögskolan i Stockholm, Institute of International Business (IIB), 1991. http://urn.kb.se/resolve?urn=urn:nbn:se:hhs:diva-1382.

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12

Pack, Maria Joyce. "Complex metal oxide materials : synthesis, structural characterisation and development of combined EXAFS and powder differaction analysis." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243098.

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13

Popli, Nipun. "Multi-layered Energy Conversion and Frequency Control in Complex Electric Power Systems." Research Showcase @ CMU, 2017. http://repository.cmu.edu/dissertations/916.

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The main performance objective in an electric power grid entails timely and efficient generation and delivery to the time-varying electricity demand. As the electricity industry is witnessing proliferation of the mainstream renewables, the minute-by-minute variations in wind and solar power generation may result in temporary electricity scarcity that jeopardizes grid stability and quality of service. The evolving electricity markets are aimed at incentivizing the conventional generators to reinforce their operating flexibility. This dissertation concerns the goal of enhancing the dynamic respo
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14

Rank, Aaron. "A novel experimental approach using a reconfigurable test setup for complex nonlinear dynamic systems." Master's thesis, University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5014.

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Experimental nonlinear dynamics is an important area of study in the modern engineering field, with engineering applications in structural dynamics, structural control, and structural health monitoring. As a result, the discipline has experienced a great influx of research efforts to develop a versatile and reliable experimental methodology. A technical challenge in many experimental studies is the procurement of a device that exhibits the desired nonlinear behavior. As a result, many researchers have longed for a versatile, but accurate, testing methodology that has complete freedom to simula
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15

Xulvi-Brunet, Ramon. "Structural properties of scale-free networks." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2007. http://dx.doi.org/10.18452/15608.

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Netzwerke sind überall, von der elektrischen Stromversorgung über die Biochemie der Zellen, das Internet bis hin zu sozialen Netzen. Netzwerke als mathematisches Konzept haben sich in den letzten Jahren zu einem wichtigen Werkzeug der Beschreibung komplexer Systeme entwickelt. Ihre grundlegende Eigenschaft ist, dass sie aus einer grö{ss}en Anzahl dynamischer Elemente bestehen, die sich gegenseitig beeinflussen und dabei nicht linear gekoppelt sind. Die moderne Netzwerkwissenschaft will die Wechselwirkung zwischen den einzelnen Untereinheiten erklären und davon ausgehend verständlich
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16

WANG, YONGBING. "STRUCTURAL BEHAVIOR AND DESIGN OF TWO CUSTOM ALUMINUM EXTRUDED SHAPES IN CUSTOM UNITIZED CURTAIN WALL SYSTEMS." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1147722350.

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17

Ilhan, Sibel [Verfasser]. "Novel strategies for automated engineering of enzymatic systems: structural and functional insights to human pyruvate dehydrogenase complex / Sibel Ilhan." Hamburg : Universitätsbibliothek der Technischen Universität Hamburg-Harburg, 2021. http://d-nb.info/1227991134/34.

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18

Cheung, Sai Hung Burdick Joel Wakeman Beck J. L. "Stochastic analysis, model and reliability updating of complex systems with applications to structural dynamics /cSai Hung Cheung ; Joel W. Burdick, committee chair ; James L. Beck, advisor." Diss., Pasadena, Calif. : California Institute of Technology, 2009. http://resolver.caltech.edu/CaltechETD:etd-05292009-102458.

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19

Sahin, Bahadir. "Factors Influencing Effectiveness of Interorganizational Networks Among Crisis Management Organizations: A Comparative Perspective." Doctoral diss., Orlando, Fla. : University of Central Florida, 2009. http://purl.fcla.edu/fcla/etd/CFE0002709.

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20

Davis, G. Michael. "Exploring the Effects of Ex-Prisoner Reentry on Structural Factors in Disorganized Communities: Implications for Leadership Practice." Antioch University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1415706403.

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21

Ilina, Yulia. "Structural characterization of Ni-containing metalloenzymes from archaea by X-ray crystallography and transmission electron microscopy." Doctoral thesis, Humboldt-Universität zu Berlin, 2019. http://dx.doi.org/10.18452/20596.

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In der vorliegenden Arbeit werden zwei Enzymsysteme – Ni-haltige Kohlenmonoxid-Dehydrogenase (CODH) und [NiFe]-haltige Hydrogenase – strukturell untersucht. Im 1. Teil werden die Untersuchungen des ACDS-Komplexes aus A. fulgidus mittels Transmissionselektronenmikroskopie (Negativkontrastierung und der Kryo-Einbettung) geschildert. Die 3D-Rekonstruktion mit einer Auflösung von 29 Å wird de novo ermittelt und drei mögliche Positionen für die CODH-Untereinheit vorgeschlagen. Im 2. Teil wird die Röntgenkristallstrukturanalyse der CODH-Untereinheit des ACDS Komplexes aus A. fulgidus geschildert.
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22

Simonyi, André. "Waiting for the Cows to Come Home: A Political Ethnography of Security in a Complex World. Explorations in the Magyar Borderlands of Contemporary Ukraine." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/26126.

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This dissertation explores the ways in which the everyday (in)securities of people in southwestern Ukraine can illuminate our understanding of contemporary political life. Rather than using traditional units of analysis or given categories—the state, the individual, identity—the dissertation focuses on relations between people in and connected to a single village to develop a novel framework for analyzing politics and the political. The dissertation opens with an interrogation of the practical and theoretical challenges associated with current conceptualizations of security; our understanding
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23

Borja, da rocha Hudson. "Collective effects in muscle contraction and cellular adhesion." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLX072/document.

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Deux systèmes biologiques distincts, les muscles squelettiques et les sites d'adhésion de cellules kératocytes en mouvement, sont considérés dans un même cadre en raison de la similitude profonde de leur structure et de leur fonctionnalité. La réponse passive de l'un et de l'autre peut être modélisée à l'aide d'un grand nombre d'unités multi-stables couplées par des interactions à longue portée, et exposées à un désordre spatial fixé et un bruit thermique/mécanique. Les interactions à longue portée dans de tels systèmes conduisent à une synchronisation malgré les fluctuations temporelles et sp
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24

Poel, Filho Cornelis Joannes van der. "Modelagem numerica de problemas de dominios acoplados para aplicação em microsistemas eletromecanicos." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265140.

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Orientador: Renato Pavanello<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia mecanica<br>Made available in DSpace on 2018-08-04T08:49:46Z (GMT). No. of bitstreams: 1 PoelFilho_CornelisJoannesvander_D.pdf: 8296875 bytes, checksum: 048da8ba9cfe029f98229ac0b593f989 (MD5) Previous issue date: 2005<br>Resumo: Microsistemas eletromecânicos geralmente têm seu princípio de funcionamento baseado na interação entre dois ou mais campos físicos. Para seu projeto são necessárias ferramentas de simulação multi-domínios. Este trabalho visa estudar o fenômeno de acoplamento
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25

Bourguet, Maxime. "Développements méthodologiques en spectrométrie de masse structurale pour la caractérisation de complexes biologiques multiprotéiques." Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAF013.

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Ce travail de thèse porte sur le développement de méthodes de spectrométrie de masse (MS) structurale pour la caractérisation de systèmes protéiques complexes, souvent réfractaires aux approches biophysiques classiques. Dans ce contexte, les développements entrepris furent notamment focalisés sur la caractérisation de complexes impliqués dans la biogénèse des ribosomes et dans la régulation transcriptionnelle, fonctions cellulaires essentielles pouvant être liées à de nombreuses pathologies humaines dont certains cancers. Ainsi, les approches par MS native, pontage chimique et d’HDX-MS ont per
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26

Ciano, Matteo. "On the accuracy of seismic fragilities for actual linear/nonlinear structural systems: the modified intensity measure method." Doctoral thesis, 2021. http://hdl.handle.net/2158/1269611.

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Tesi presentata e approvata dalla Facoltà di Architettura, Ingegneria Civile e Scienze Ambientali Technische Universität Braunschweig e dal Dipartimento di Ingegneria Civile e Ambientale dell'Università degli Studi di Firenze per candidarsi al titolo di Doktor-Ingenieur (Dr.-Ing.) / Dottore di Ricerca in Ingegneria Civile e Ambientale*) *) Può essere utilizzata la forma tedesca o italiana del titolo. Dissertation submitted to and approved by the Faculty of Architecture, Civil Engineering and Environmental Sciences Technische Universität Braunschweig and the Department of Civil
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27

"Structural studies of supramolecular host-guest systems." Thesis, 2015. http://hdl.handle.net/10388/ETD-2015-05-1835.

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Abstract This research work details a systematic study of the structure and function of supramolecular host-guest systems. Host-guest inclusion complexes were formed between β-Cyclodextrin (β-CD) and its copolymers (as hosts), with several types of guest molecules both in aqueous solution and the solid state. The research is divided into two themes; (1) structural characterization and dynamic properties of the inclusion compounds of β-CD with various guest systems in aqueous solution and the solid phase, and (2) heterogeneous adsorption and structural studies of β-CD based copolymers with vari
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28

Gupta, Shalabh. "Behavioral pattern identification for structural health monitoring in complex systems." 2006. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-1458/index.html.

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29

Brudastova, Olga. "Stochastic response determination and spectral identification of complex dynamic structural systems." Thesis, 2018. https://doi.org/10.7916/D8H71ZKP.

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Uncertainty propagation in engineering mechanics and dynamics is a highly challenging problem that requires development of analytical/numerical techniques for determining the stochastic response of complex engineering systems. In this regard, although Monte Carlo simulation (MCS) has been the most versatile technique for addressing the above problem, it can become computationally daunting when faced with high-dimensional systems or with computing very low probability events. Thus, there is a demand for pursuing more computationally efficient methodologies. Further, most structural systems are
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30

Biswas, Rajib. "Dynamics of Water under Confinement and Studies of Structural Transformation in Complex Systems." Thesis, 2013. http://etd.iisc.ernet.in/2005/3405.

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The thesis involves computer simulation and theoretical studies of dynamics of water under confinement and structural transformation in different complex systems. Based on the systems and phenomena of interest, the work has been classified in to three major parts: I. Dynamics of water under confinement II. Dynamics of water in presence of amphiphilic solutes III. Structural transformation in complex systems The three parts have further been divided into nine chapters. Brief chapter wise outline of the thesis is discussed below. Part I deals with the dynamics of water in confined systems. In
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31

Chio, Ming-Yi, and 邱銘毅. "Complex modal analysis of optimal damper parameters and active control of adjacent structural systems." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/89996824572437554466.

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碩士<br>中原大學<br>土木工程研究所<br>103<br>The objective of study is researching adjacent structures with attached dampers , this study discussed five-floor adjacent structures and twenty-floor adjacent structures as an example. Based on the free vibration theory, the complex modal analysis is presented to calculate the natural frequency, damped frequency, damping ratio, mode shape and the curve of damping ratio versus damper coefficient for each mode of the system. The optimal damping ratio with the corresponding damper coefficient and damper stiffness for each of the system can therefore be obtained. U
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32

Cheung, Sai Hung. "Stochastic Analysis, Model and Reliability Updating of Complex Systems with Applications to Structural Dynamics." Thesis, 2009. https://thesis.library.caltech.edu/2269/1/SH_Cheung_thesis.pdf.

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<p>In many engineering applications, it is a formidable task to construct mathematical models that are expected to produce accurate predictions of the behavior of a system of interest. During the construction of such predictive models, errors due to imperfect modeling and uncertainties due to incomplete information about the system and its environment (e.g., input or excitation) always exist and can be accounted for appropriately by using probability logic. To assess the system performance subjected to dynamic excitations, a stochastic system analysis considering all the uncertainties involved
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33

"Health Management and Prognostics of Complex Structures and Systems." Doctoral diss., 2019. http://hdl.handle.net/2286/R.I.53532.

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abstract: This dissertation presents the development of structural health monitoring and prognostic health management methodologies for complex structures and systems in the field of mechanical engineering. To overcome various challenges historically associated with complex structures and systems such as complicated sensing mechanisms, noisy information, and large-size datasets, a hybrid monitoring framework comprising of solid mechanics concepts and data mining technologies is developed. In such a framework, the solid mechanics simulations provide additional intuitions to data mining techniqu
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34

Greyvensteyn, Renee May. "A GIS-based structural analysis of the Bushveld Complex and surrounding areas." Diss., 2001. http://hdl.handle.net/2263/26417.

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35

Olivier, Audrey. "Enhancements of online Bayesian filtering algorithms for efficient monitoring and improved uncertainty quantification in complex nonlinear dynamical systems." Thesis, 2017. https://doi.org/10.7916/D81R72ZZ.

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Recent years have seen a concurrent development of new sensor technologies and high-fidelity modeling capabilities. At the junction of these two topics lies an interesting opportunity for real-time system monitoring and damage assessment of structures. During monitoring, measurements from a structure are used to learn the parameters and equations characterizing a physics-based model of the system; thus enabling damage identification. Since monitored quantities are physical, these methods offer precious insight into the damage state of the structure (localization, type of damage and its extent)
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36

Desai, Ketaki Vimalchandra. "Matching supply to demand: relating local structural adaptation to global function." 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2658.

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The heart and microvasculature have characteristics of a complex adaptive system. Extreme challenges faced by these organ systems cause structural changes which lead to global adaptation. To assess the impact of myocardial interstitial edema on the mechanical properties of the left ventricle and the myocardial interstitium, we induced acute and chronic interstitial edema in dogs. With chronic edema, the primary form of collagen changed from type I to III and left ventricular chamber compliance significantly increased. The resulting functional adaptation allows the chronically edematous heart t
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37

GENTILI, FILIPPO. "Multi-physics modelling for the safety assessment of complex structural systems under fire. The case of high-rise buildings." Doctoral thesis, 2013. http://hdl.handle.net/11573/918045.

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Among all structures, high-rise buildings pose specific design challenges with respect of fire safety for a number of reasons, in particular the evaluation of both the fire development (fire action) and response of the structural system to fire (structural behaviour). In relation to the fire action, large compartments and open hallways often present in modern high-rise buildings don’t let themselves to be designed within compliance to current codes and standards. A comprehensive analysis of the fire environment is required to understand the fire dynamics in these cases. A Computational Flui
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38

Bittihn, Philip. "Complex Structure and Dynamics of the Heart." Doctoral thesis, 2013. http://hdl.handle.net/11858/00-1735-0000-0001-BBB6-B.

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39

Finger, Holger Ewald. "Information Processing in Neural Networks: Learning of Structural Connectivity and Dynamics of Functional Activation." Doctoral thesis, 2017. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2017031615634.

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Adaptability and flexibility are some of the most important human characteristics. Learning based on new experiences enables adaptation by changing the structural connectivity of the brain through plasticity mechanisms. But the human brain can also adapt to new tasks and situations in a matter of milliseconds by dynamic coordination of functional activation. To understand how this flexibility can be achieved in the computations performed by neural networks, we have to understand how the relatively fixed structural backbone interacts with the functional dynamics. In this thesis, I will analyze
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