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Tesi sul tema "Plate theory"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 25 luglio 2025

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1

Kidd, Julie Elizabeth. "Mathematical problems in liquid crystal theory and elastic plate theory." Thesis, University of Strathclyde, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248570.

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2

Siddiqui, Faisal Karim. "Extended higher order theory for sandwich plates of arbitrary aspect ratio." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54334.

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Abstract (sommario):
In recent years advances in technology have allowed the transition of composite structures from secondary to primary structural components. Consequently, a lot of applications demand development of thicker composite structures to sustain heavier loads. Typical sandwich panels consist of two thin metallic or composite face sheets separated by a honeycomb or foam core. This configuration gives the sandwich panel high stiffness and strength and enables excellent energy absorption capabilities with little resultant weight penalty. This makes sandwich structures a preferred design for a lot of appl
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3

Hafezi, M. H., R. Alebrahim, and T. Kundu. "Crack propagation modeling using Peridynamic theory." SPIE-INT SOC OPTICAL ENGINEERING, 2016. http://hdl.handle.net/10150/622515.

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Abstract (sommario):
Crack propagation and branching are modeled using nonlocal peridynamic theory. One major advantage of this nonlocal theory based analysis tool is the unifying approach towards material behavior modeling- irrespective of whether the crack is formed in the material or not. No separate damage law is needed for crack initiation and propagation. This theory overcomes the weaknesses of existing continuum mechanics based numerical tools (e.g. FEM, XFEM etc.) for identifying fracture modes and does not require any simplifying assumptions. Cracks grow autonomously and not necessarily along a prescribed
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4

Portier, Sarah. "Implementation of Third Order Plate Theory for use in Existing Finite Element Software." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/79680.

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Sandwich plates and layered composites are common in many structural applications because of their combination of high stiffness and low weight. These plates combine top and bottom layers of high Young's modulus with intermediate layers of material carrying predominantly shear loads. Finite elements developed for the analysis of sandwich plates need to accurately model transverse shear stresses through the plate thickness. This study was inspired by an Office of Naval Research project to investigate the suitability of steel sandwich plates as ship hulls. A finite element implementation based o
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5

Mehta, Parikshit. "Vibrations of thin plate with piezoelectric actuator theory and experiments /." Connect to this title online, 2009. http://etd.lib.clemson.edu/documents/1263400450/.

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6

Powell, Stephen. "Buckling and postbuckling of prismatic plate assemblies using exact eigenvalue theory." Thesis, Cardiff University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.691256.

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7

Kovvali, Ravi Kumar. "A nonlinear theory of Cosserat elastic plates using the variational-asymptotic method." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54342.

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Abstract (sommario):
One of the most important branches of applied mechanics is the theory of plates - defined to be plane structural elements whose thickness is very small when compared to the two planar dimensions. There is an abundance of plate theories in the literature modeling classical elastic solids that fit this description. Recently, however, there has been a steady growth of interest in modeling materials with microstructures that exhibit length-scale dependent behavior, generally known as Cosserat elastic materials. Concurrently, there has also been an increased interest in the construction of reduced
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8

Kiddell, Betty Anne. "Teaching plate tectonics theory from a historical perspective with real world connections." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq23363.pdf.

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9

De, Kock Warrick. "Finite element modelling of voided slab bridge decks using orthotropic plate theory." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/24304.

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Abstract (sommario):
Circular voids are often incorporated into concrete bridge decks to reduce their self-weight without greatly reducing the flexural stiffness. Incorporating voids within a slab offers many advantages over a conventional solid concrete slab, for example a lower total cost of construction, reduced material use, and enhanced structural efficiency. The advantages of this topology are obvious, however the voids within the slab complicate the analysis of the structure. The incorporation of the voids within the slab results in different flexural stiffness in the longitudinal and transverse directions,
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10

Howell, Robert A. "An experimental investigation of the bifurcation in twisted square plates." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/29974.

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Abstract (sommario):
The bifurcation phenomenon occurring in twisted square plates with free edges subject to contrary self-equilibrating corner loading was examined. In order to eliminate lateral deflection of the test plates due to their own weight, a special loading apparatus was constructed which held the plates in a vertical plane. The complete strain field occurring at the plate centre was measured using two strain gauge rosettes mounted on opposing sides of the plate at the centre. Principal curvatures were calculated and related to corner load for several plates with differing edge length/thickness ratios.
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11

Chattopadhyay, Arka Prabha. "Free and Forced Vibration of Linearly Elastic and St. Venant-Kirchhoff Plates using the Third Order Shear and Normal Deformable Theory." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/102661.

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Abstract (sommario):
Employing the Finite Element Method (FEM), we numerically study three problems involving free and forced vibrations of linearly and nonlinearly elastic plates with a third order shear and normal deformable theory (TSNDT) and the three dimensional (3D) elasticity theory. We used the commercial software ABAQUS for analyzing 3D deformations, and an in-house developed and verified software for solving the plate theory equations. In the first problem, we consider trapezoidal load-time pulses with linearly increasing and affinely decreasing loads of total durations equal to integer multiples of the
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12

Wood, Harrison Grant. "Bending and warpage of elastic plates." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/90576.

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Abstract (sommario):
This thesis presents two studies on elastic plates. In the first study, we discuss the choice of elastic energies for thin plates and shells, an unsettled issue with consequences for much recent modeling of soft matter. Through consideration of simple deformations of a thin body in the plane, we demonstrate that four bulk isotropic quadratic elastic theories have fundamentally different predictions with regard to bending behavior. At finite thickness, these qualitative effects persist near the limit of mid-surface isometry, and not all theories predict an isometric ground state. We discuss ho
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13

Patil, Deepak C. "Particle Interactions in Industrial Granular Systems: Experiments, Theory, and Simulations." Research Showcase @ CMU, 2017. http://repository.cmu.edu/dissertations/915.

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Abstract (sommario):
Granular media continue to be among the most manipulated materials found in various industries. Particle interactions in granular flow has fundamental importance in analyzing the performance of a wide range of key engineering applications such as hoppers, tumblers, and mixers etc. In spite of such ubiquitous presence, till date, our understanding of the granular flow is very limited. This restricts our ability to design efficient and optimal granular processing equipment. Additionally, the existing design abilities are also constrained by the number of particles to be analyzed, where, a typica
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14

Atalayer, Senem Hayriye. "Analysis Of Stability And Transition In Flat Plate Compressible Boundary Layers Using Linear Stability Theory." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605366/index.pdf.

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In this study, numerical investigations of stability and transition problems were performed for 2D compressible boundary layers over a flat plate in adiabatic wall condition. Emphasis was placed on linear stability theory. The mathematical formulation for 3D boundary layers with oblique waves including detailed theoretical information was followed by use of the numerical techniques for the solution of resulting differential system of the instability problem, consequently an eigenvalue problem. First, two-dimensional sinusoidal disturbances were analyzed at various Mach numbers including the
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15

Reddy, Yeruva S. "Numerical simulation of damage and progressive failures in composite laminates using the layerwise plate theory." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/38534.

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16

Byklum, Eirik. "Ultimate strength analysis of stiffened steel and aluminium panels using semi-analytical methods." Doctoral thesis, Norwegian University of Science and Technology, Department of Marine Technology, 2002. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-352.

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Abstract (sommario):
<p>Buckling and postbuckling of plates and stiffened panels are considered. Computational models for direct calculation of the response are developed using large deflection plate theory and energy principles. Deflections are represented by trigonometric functions. All combinations of biaxial in-plane compression or tension, shear, and lateral pressure are included in the formulations. The procedure is semi-analytical in the sense that the incremental equilibrium equations are derived analytically, while a numerical method is used for solving the equation systems, and for incrementation o
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17

Sanderson, Benjamin. "Development of microchannel plate detectors for spatially linear high resolution imaging with the Vernier anode." Thesis, University College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272150.

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18

Lee, Seung Joon. "Nonlinear analysis of smart composite plate and shell structures." Diss., Texas A&M University, 2003. http://hdl.handle.net/1969.1/2218.

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Abstract (sommario):
Theoretical formulations, analytical solutions, and finite element solutions for laminated composite plate and shell structures with smart material laminae are presented in the study. A unified third-order shear deformation theory is formulated and used to study vibration/deflection suppression characteristics of plate and shell structures. The von K??rm??n type geometric nonlinearity is included in the formulation. Third-order shear deformation theory based on Donnell and Sanders nonlinear shell theories is chosen for the shell formulation. The smart material used in this study to achieve d
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19

Just, Paul J. III. "A State of the Art Review of Special Plate Shear Walls." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1459155417.

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20

Tu, Wei. "Response modelling of pavement subjected to dynamic surface loading based on stress-based multi-layered plate theory." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1188066023.

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21

Weise, Michael. "A framework for efficient hierarchic plate and shell elements." Universitätsbibliothek Chemnitz, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-233175.

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Abstract (sommario):
The Mindlin-Reissner plate model is widely used for the elastic deformation simulation of moderately thick plates. Shear locking occurs in the case of thin plates, which means slow convergence with respect to the mesh size. The Kirchhoff plate model does not show locking effects, but is valid only for thin plates. One would like to have a method suitable for both thick and thin plates. Several approaches are known to deal with the shear locking in the Mindlin-Reissner plate model. In addition to the well-known MITC elements and other approaches based on a mixed formulation, hierarchical metho
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22

Lo, Tzu-Wei. "A new sensor concept for simultaneous measurement of pressure, temperature and thickness of plate structures using modified wave propagation theory." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2598.

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Abstract (sommario):
This thesis presents a multi-purpose sensor concept viable for the simultaneous measurement of pressure, temperature and thickness of plate structures. It also establishes the knowledge base necessary for future sensor design. Thermal-Acousto Photonic Non-Destructive Evaluation (TAP-NDE) is employed to remotely initiate and acquire interrogating ultrasonic waves. Parameters including pressure, temperature and plate thickness are determined through exploring the dispersion features of the interrogating waves. A theoretical study is performed, through which a modified wave propagation theory app
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23

Zhang, Lei, University of Western Sydney, of Science Technology and Environment College, and School of Engineering and Industrial Design. "Exact solution for vibration of stepped circular Mindlin plates." THESIS_CSTE_EID_Zhang_L.xml, 2002. http://handle.uws.edu.au:8081/1959.7/64.

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This thesis presents the first-known exact solutions for vibration of stepped circular Mindlin plates. The considered circular plate is of several step-wise variation in thickness in the radial direction. The Mindlin first order shear deformable plate theory is employed to derive the governing differential equations for the annular and circular segments. The exact solutions to these differential equations may be expressed in terms of the Bessel functions of the first and second kinds and the modified Bessel functions of the first and second kinds. The governing homogenous system of equations i
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24

Liu, Youhua. "Efficient Methods for Structural Analysis of Built-Up Wings." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/77972.

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Abstract (sommario):
The aerospace industry is increasingly coming to the conclusion that physics-based high-fidelity models need to be used as early as possible in the design of its products. At the preliminary design stage of wing structures, though highly desirable for its high accuracy, a detailed finite element analysis(FEA) is often not feasible due to the prohibitive preparation time for the FE model data and high computation cost caused by large degrees of freedom. In view of this situation, often equivalent beam models are used for the purpose of obtaining global solutions. However, for wings with low asp
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25

Doudican, Bradley M. "Modeling Repair of Fiber Reinforced Polymer Composites Employing a Stress-Based Constitutive Theory and Strain Energy-Based Progressive Damage and Failure Theory." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1373926827.

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26

Weise, Michael. "A framework for efficient hierarchic plate and shell elements." Technische Universität Chemnitz, 2017. https://monarch.qucosa.de/id/qucosa%3A20867.

Testo completo
Abstract (sommario):
The Mindlin-Reissner plate model is widely used for the elastic deformation simulation of moderately thick plates. Shear locking occurs in the case of thin plates, which means slow convergence with respect to the mesh size. The Kirchhoff plate model does not show locking effects, but is valid only for thin plates. One would like to have a method suitable for both thick and thin plates. Several approaches are known to deal with the shear locking in the Mindlin-Reissner plate model. In addition to the well-known MITC elements and other approaches based on a mixed formulation, hierarchical metho
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27

Padilla, Montero Ivan. "Analysis of the stability of a flat-plate high-speed boundary layer with discrete roughness." Doctoral thesis, Universite Libre de Bruxelles, 2021. https://dipot.ulb.ac.be/dspace/bitstream/2013/324490/5/contratPM.pdf.

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Abstract (sommario):
Boundary-layer transition from a laminar to a turbulent regime is a critical driver in the design of high-speed vehicles. The aerothermodynamic loads associated with transitional or fully turbulent hypersonic boundary layers are several times higher than those associated with laminar flow. The presence of isolated roughness elements on the surface of a body can accelerate the growth of incoming disturbances and introduce additional instability mechanisms in the flow field, eventually leading to a premature occurrence of transition. This dissertation studies the instabilities induced by three-d
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28

Dirgantara, Tatacipta. "Boundary element analysis of cracks in shear deformable plates and shells." Thesis, Queen Mary, University of London, 2000. http://qmro.qmul.ac.uk/xmlui/handle/123456789/28855.

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This thesis presents new boundary element formulations for solution of bending problems in plates and shells. Also presented are the dual boundary element formulations for analysis of crack problems in plates and shells. Reissner plate theory is adopted to represent the bending and shear, and two dimensional (2-D) plane stress is used to model the membrane behaviour of the plate. New set of boundary element formulations to solve bending problems of shear deformable shallow shells having quadratic mid-surface is derived based on the modified Reissner plate and two dimensional plane stress gover
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29

Favre, Benoit. "Crushing properties of hexagonal adhesively bonded honeycombs loaded in their tubular direction." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/22620.

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Thesis (M. S.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2007.<br>Committee Chair: Mulalo Doyoyo; Committee Co-Chair: Reginald Desroches; Committee Member: Laurence J. Jacobs.
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30

Attou, Djelloul. "Theorie asymptotique des plaques minces electro ou magnetoelastiques." Paris 6, 1988. http://www.theses.fr/1988PA066029.

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La methode d'integration asymptotique de gol'denveizer et le formalisme variationnel de ciarlet et destuynder (connu aussi comme la technique du zoom) ont montre leur efficacite pour etablir des theories de corps elastiques elances tels que les plaques minces. La meme idee est utilisee ici pour obtenir differentes approximations a la theorie des plaques electro ou magnetoelastiques. La metode et les resultats critiques sont illustres sur trois exemples. Le premier, traite en quasi-electrostatiqus, concerne les plaques piezoelectriques. Le second, traite en quasi-magnetostatique, concerne la th
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31

Ozer, M. Murat. "Assessing the Effectiveness of the Cincinnati Police Department’s Automatic License Plate Reader System within the Framework of Intelligence-Led Policing and Crime Prevention Theory." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1294778683.

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32

Zhang, Lei. "Exact solution for vibration of stepped circular Mindlin plates." Thesis, View thesis, 2002. http://handle.uws.edu.au:8081/1959.7/64.

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Abstract (sommario):
This thesis presents the first-known exact solutions for vibration of stepped circular Mindlin plates. The considered circular plate is of several step-wise variation in thickness in the radial direction. The Mindlin first order shear deformable plate theory is employed to derive the governing differential equations for the annular and circular segments. The exact solutions to these differential equations may be expressed in terms of the Bessel functions of the first and second kinds and the modified Bessel functions of the first and second kinds. The governing homogenous system of equations i
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33

Mallard, Claire. "Analyse tectonique de la surface des modèles de convection mantellique." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1143/document.

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Abstract (sommario):
La théorie de la tectonique des plaques permet de décrire les mouvements de premier ordre qui opèrent à la surface de la Terre. S'il est acquis que la convection dans le manteau terrestre en est le moteur, les liens entre les phénomènes profonds et les caractéristiques tectoniques de la surface restent largement méconnus. Jusqu'à très récemment, les modèles de convection du manteau terrestre ne produisaient pas de tectonique de surface pouvant être comparée à celle de la Terre. Récemment, des modèles globaux de convection qui reproduisent une tectonique de surface comparable à la Terre au prem
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34

Kossovich, Elena. "Explicit models for flexural edge and interfacial waves in thin elastic plates." Thesis, Brunel University, 2011. http://bura.brunel.ac.uk/handle/2438/6505.

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In the thesis explicit dual parabolic-elliptic models are constructed for the Konenkov flexural edge wave and the Stoneley-type flexural interfacial wave in case of thin linearly elastic plates. These waves do not appear in an explicit form in the original equations of motion within the framework of the classical Kirchhoff plate theory. The thesis is aimed to highlight the contribution of the edge and interfacial waves into the overall displacement field by deriving specialised equations oriented to aforementioned waves only. The proposed models consist of a parabolic equation governing the wa
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35

Johnson, William Richard. "Active Structural Acoustic Control of Clamped and Ribbed Plates." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/4011.

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A control metric, the weighted sum of spatial gradients (WSSG), has been developed for use in active structural acoustic control (ASAC). Previous development of WSSG [1] showed that it was an effective control metric on simply supported plates, while being simpler to measure than other control metrics, such as volume velocity. The purpose of the current work is to demonstrate that the previous research can be generalized to plates with a wider variety of boundary conditions and on less ideal plates. Two classes of plates have been considered: clamped flat plates, and ribbed plates. On clamped
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36

Fransson, Daniel. "Det ornerade bronset och dess griftefärd." Thesis, Linnéuniversitetet, Institutionen för kulturvetenskaper (KV), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-91477.

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The purpose of this essay is to study the evolution and differences of motifs on bronze age objects associated with men and women, the differences in plastic ornamentation and the differences in grave goods in five danish oakcoffin burials from II-III, and fourtythree swedish cremation graves from period IV-VI. The methods used for the motifs and plastic ornamentation are an iconographical one and for the grave goods I have chosen to make a chart. The spiral motifs on beltplates and the ships on the bronze razors, for example, have played a significant part in bronze age life. The same could b
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37

Lebée, Arthur. "Homogénéisation de plaques périodiques épaisses : application aux panneaux sandwichs à âme pliables en chevrons." Phd thesis, Université Paris-Est, 2010. http://tel.archives-ouvertes.fr/tel-00557754.

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Les panneaux sandwichs sont des éléments de structure omniprésents au quotidien. Leur efficacité structurelle n'est plus à démontrer. Elle est même un élément déterminant dans le marché qui leur est associé. Ce mémoire de doctorat s'intéresse à un nouveau type d 'âme de panneau sandwich qui pourrait être amené à supplanter le nid d'abeilles dans certaines applications, le module à chevrons. L'objectif est donc de pouvoir faire une estimation précise du comportement de ces nouvelles âmes. Cependant le gain en efficacité structurelle des panneaux sandwichs se paye par une augmentation considérab
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38

Tsitsopoulos, Vasileios. "Modelling of buoyant flows associated with large area fires and indirect free convection." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/modelling-of-buoyant-flows-associated-with-large-area-fires-and-indirect-free-convection(7e849d5b-6b95-4534-b387-63387f5ff26f).html.

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Experimental observations indicate the presence of attached, gravity induced, horizontal buoyant currents above large area fires. Their driving mechanism is indirect and resembles the one observed above heated horizontal plates. Classic plume modelling is satisfactory for providing information for the flow far from the source. In dealing with large areas and directing attention to the flow close to the source, the classic plume theory should fail because the radial pressure gradient that is responsible for the driving of the flow is squeezed in the long and thin classic plume assumption. For t
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39

Lin, Yi Han. "A mathematical theory of elastic orthotropic plates in plane strain and axi-symmetric deformations." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/27436.

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We present an elastic orthotropic plate theory in plane strain and axisym-metric deformations by first developing their uniform asymptotic expansions of the exact solutions for the basic governing boundary value problems. Then, the establishment of the necessary conditions for decaying states, both explicitly and asymptotically, enables us to determine the outer solution without reference to the inner solution and clarify the precise meaning of the well known St.Venant's principle under the circumstances considered here. The possible existence of corner stress singularities was examined by es
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40

Dixit, Akash. "Damage modeling and damage detection for structures using a perturbation method." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/43575.

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This thesis is about using structural-dynamics based methods to address the existing challenges in the field of Structural Health Monitoring (SHM). Particularly, new structural-dynamics based methods are presented, to model areas of damage, to do damage diagnosis and to estimate and predict the sensitivity of structural vibration properties like natural frequencies to the presence of damage. Towards these objectives, a general analytical procedure, which yields nth-order expressions governing mode shapes and natural frequencies and for damaged elastic structures such as rods, beams, plates an
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41

Chakravarty, Subhashish. "Bayesian surface smoothing under anisotropy." Diss., University of Iowa, 2007. http://ir.uiowa.edu/etd/169.

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42

Rimmasch, Gretchen. "Complete Tropical Bezout's Theorem and Intersection Theory in the Tropical Projective Plane." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2507.pdf.

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43

Baroud, Rawad. "Development and implementation of numerical models for the study of multilayered plates." Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1084/document.

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Abstract (sommario):
L’utilisation des multicouches prend de plus en plus d’ampleur dans le domaine des sciences de l’ingénieur, tout d’abord dans l’industrie, et plus récemment de plus en plus en Génie Civil. Qu’il s’agisse de complexes mêlant des polymères, du bois ou du béton, des efforts importants sont nécessaires pour la modélisation fine de ce type de matériaux. En effet, des phénomènes induits par l’anisotropie et l’hétérogénéité sont associés à ces multi-matériaux : effets de bords, dilatations thermiques différentielles, délaminages/décollements ou non linéarités de type viscosite
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44

Xie, Min. "Behaviour and design of transversely stiffened plates subjected to combined shear and direct in-plane loading." Thesis, Imperial College London, 2001. http://hdl.handle.net/10044/1/7657.

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45

Frid, Emil, and Fredrik Nilsson. "Path Following Using Gain Scheduled LQR Control : with applications to a labyrinth game." Thesis, Linköpings universitet, Reglerteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-167390.

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This master's thesis aims to make the BRIO Labyrinth Game autonomous and the main focus is on the development of a path following controller. A test-bench system is built using a modern edition of the classic game with the addition of a Raspberry Pi, a camera and two servos. A mathematical model of the ball and plate system is derived to be used in model based controllers. A method of using path projection on a cubic spline interpolated path to derive the reference states is explained. After that, three path following controllers are presented, a modified LQR, a Gain Scheduled LQR and a Gain S
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46

Bydalek, David Russell. "Manufacture of Complex Geometry Component for Advanced Material Stiffness." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1919.

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The manufacture, laminate design, and modeling of a part with complex geometry are explored. The ultimate goal of the research is to produce a model that accurately predicts part stiffness. This is validated with experimental results of composite parts, which refine material properties for use in a final prototype part model. The secondary goal of this project is to explore manufacturing methods for improved manufacturability of the complex part. The manufacturing portion of the thesis and feedback into material model has incorporated a senior project team to perform research on manufacturing
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47

Weise, Michael. "Adaptive FEM for fibre-reinforced 3D structures and laminates." Doctoral thesis, Universitätsbibliothek Chemnitz, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-150439.

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The topic of this thesis is the numerical simulation of transversely isotropic 3D structures and laminates by means of the adaptive finite element method. To achieve this goal, the theoretical background of elastic deformation problems, transverse isotropy, plate theory, and the classical laminate theory is recapitulated. The classical laminate theory implies a combination of the membrane problem and the plate problem with additional coupling terms. The focus of this work is the adjustment of two integral parts of the adaptive FE algorithm according to the classical laminate theory. One of th
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48

Hofheinz, Frank. "Field theory on a non-commutative plane." Doctoral thesis, [S.l.] : [s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968741770.

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Schwarzer, Norbert. "About the theory of thin coated plates." Universitätsbibliothek Chemnitz, 2002. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200200050.

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The paper treats the theory of thin coated plates under a variety of load and deposition conditions. In addition to some bending problems caused by external load the so called Stoney-equation is considered.
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Sinha, Aninda. "Aspects of IIB plane wave string theory." Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614759.

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