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Dissertations / Theses on the topic 'Plates (Engineering)'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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1

Paulos, Yonas Kinfu. "Sedimentation between parallel plates." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/30055.

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Settling basins can be shortened by using a stack of horizontal parallel plates which develop boundary layers in which sedimentation can occur. The purpose of this study is to examine the design parameters for such a system and to apply this approach to a fish rearing channel in which settling length is strictly limited. Flow between parallel rough and smooth plates has been modelled together with sediment concentration profile. Accurate description of boundary layer flow requires the solution of Navier-Stokes equations, and due to the complexity of the equations to be solved for turbulent fl

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2

Jeong, Han Koo. "Reliability of laminated composite plates." Thesis, University of Southampton, 1999. https://eprints.soton.ac.uk/21869/.

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This thesis deals with reliability analysis of laminated composite plates subjected to transverse lateral pressure loads. Input parameters to strengths of the plates such as applied transverse lateral pressure loads, elastic moduli, geometric and ultimate strength values of the plates are treated as basic design variables, and specific probability distributions are applied to them to take into account the variability nature of these basic design variables. Based on the statistical information on the basic design variables, these variables are pseudo-randomly generated in accordance with the co

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3

Putra, Azma. "Sound radiation from perforated plates." Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/63161/.

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Perforated plates are quite often used as a means of engineering noise control to reduce the sound radiated by structures. However, there appears to be a lack of representative models to determine the sound radiation from a perforated plate. The aim of this thesis is to develop such a model that can be used to give quantitative guidance corresponding to the design and effectiveness of this noise control measure. Following an assessment of various models for the radiation efficiency of an unbaffled plate, Laulagnet’s model is implemented. Results are calculated and compared with those for baffl

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4

CHAKRABARTI, SEKHAR KUMAR. "INELASTIC BUCKLING OF GUSSET PLATES." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184188.

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The strength and behavior of gusset plates in buckling is evaluated herein based on data from the experimental investigations conducted by other researchers and the analytical work presented herein. A set of design guidelines has been recommended through the review of the current practice. Representative single and double brace gusset plates normally adopted for connections with compressive bracing/diagonal members in braced frames and trusses, were modeled and analyzed using linear and nonlinear finite element methods to determine the buckling loads. The buckling analysis data along with the

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5

Lumpp, Dirk Manfred. "An experimental investigation of circular plates, beams and stiffened circular plates subjected to impulsive loading." Master's thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/9658.

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Bibliography: leaves 94-96.<br>This primarily experimental investigation describes a series of experiments on fully-clamped circular plates, rectangular beams and stiffened circular plates. These test specimens were subjected to a uniformly distributed impulse. The impulse was provided by plastic explosive. This was arranged in such a way that a uniformly distributed impulse was imparted to the test specimens. The impulse was measured by means of a ballistic pendulum to which the test specimens were attached. The final mid-point deflections of the plates and beams were measured. The plate and

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6

Abayakoon, Sarath Bandara Samarasinghe. "Large deflection elastic-plastic analysis of plate structures by the finite strip method." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26946.

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A solution procedure based on the finite strip method is presented herein, for the analysis of plate systems exhibiting geometric and material non-linearities. Special emphasis is given to the particular problem of rectangular plates with stiffeners running in a direction parallel to one side of the plate. The finite strip method is selected for the analysis as the geometry of the problem is well suited for the application of this method and also as the problem is too complicated to solve analytically. Large deflection effects are included in the present study, by taking first, order non-line

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7

Mseikeh, Camille Hanna. "Wrinkling of membranes, plates, and shells." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ30343.pdf.

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8

Ko, Kwang Hee 1971. "Laser measurement and reconstruction of curved plates." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/91350.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2001.<br>Includes bibliographical references (leaves 86-89).<br>by Kwang Hee Ko.<br>S.M.

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9

Malaret, Hiram A. (Hiram Anthony). "Mechanisms in thermal mechanical forming of plates." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14865.

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10

Mürk, Annely. "Optimization of inelastic plates with cracks /." Online version, 2006. http://dspace.utlib.ee/dspace/bitstream/10062/1226/5/murkannely.pdf.

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11

Oglesby, Keith Andrew. "Acoustic design optimization of thin plates." Thesis, Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/16375.

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12

Børvik, Tore. "Ballistic Penetration and Perforation of Steel Plates." Doctoral thesis, Norwegian University of Science and Technology, Department of Structural Engineering, 2001. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-466.

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<p>Situations involving impact, i.e. the collision between two or more solids, were at one time primarily of concern to the military. Nowadays, as safety is highlighted within most branches of industry, the field of impact dynamics covers a wide range of situations and is of interest to engineers from a large number of different disciplines. This is in particular true for the oil, transport, space, military, nuclear and metal forming industry. </p><p>This thesis describes an experimental and numerical investigation on the ballistic penetration and perforation of Weldox 460F steel plates, and c

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13

Koko, Tamunoiyala Stanley. "Super finite elements for nonlinear static and dynamic analysis of stiffened plate structures." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/30723.

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The analysis of stiffened plate structures subject to complex loads such as air-blast pressure waves from external or internal explosions, water waves, collisions or simply large static loads is still considered a difficult task. The associated response is highly nonlinear and although it can be solved with currently available commercial finite element programs, the modelling requires many elements with a huge amount of input data and very expensive computer runs. Hence this type of analysis is impractical at the preliminary design stage. The present work is aimed at improving this situation b

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14

Tsikata, Sedina 1981. "Fresnel phase plates as reconfigurable microfluidic lenses." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32792.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.<br>Includes bibliographical references (leaf 49).<br>In this study, Fresnel phase plates were tested as reconfigurable lenses. The lenses were constructed from a Fresnel pattern which was transferred to a silicon substrate via photolithography. A layer of PDMS was spin-coated on the substrate and cured to produce the lens. This lens was attached to a PDMS control layer which enabled specific regions of the lens to addressed, via the application of pressure. It was concluded that based on the limitation

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15

Farrow, Gary Herbert. "The response of impulsively loaded sandwich plates." Master's thesis, University of Cape Town, 1995. http://hdl.handle.net/11427/18303.

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This thesis describes a numerical study of the response of impulsively loaded circular sandwich plates using the general purpose finite element programme called ABAQUS. The sandwich plate studied consists of three layers. The two outer layers are of mild steel and the centre layer, or core, is of air. Because of this configuration, the analysis is split into two sections. The first is the study of impulsively loaded circular single plates and the second is the study of the interaction of the outer layers of the sandwich plate on each other. The plates are analysed in the impulse range that res

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16

Wang, Bohe. "The application of finite difference method and MATLAB in engineering plates." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1037.

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Thesis (M.S.)--West Virginia University, 1999.<br>Title from document title page. Document formatted into pages; contains iv, 87 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 86-87).

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17

Dandan, Razan A. "Self-consistent dynamical theory of composite laminated plates /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487850665557227.

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18

Abdel-Khalk, Mohamed Farag. "The analysis of sandwich beams and plates." Thesis, University of Salford, 1990. http://usir.salford.ac.uk/26489/.

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This thesis is concerned with the linear and non-linear bending analysis of sandwich beams and plates with flexible cores and thick or profiled metal faces. the project commences with a review of previous work in structural aspects of sandwich construction. It reveals that analytical solutions have been obtained for a small number of simply supported and continuous sandwich beams with equal spans subjected to simple cases of loading. Due to the increasing popularity of such panels in the building industry, there have been demands for more general solutions. Therefore, the purpose of the first

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19

Lim, B. S. "Buckling behaviour of asymmetric edge stiffened plates." Thesis, University of Strathclyde, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371363.

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20

Zheng, Daihua. "Low Velocity Impact Analysis of Composite Laminated Plates." University of Akron / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1194991384.

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21

McCarthy, Robert W. "Thermomechanical forming of steel plates using laser line heat." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/15261.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering; and, (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1985.<br>MICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING.<br>Bibliography: leaves 107-108.<br>by Robert W. McCarthy III.<br>M.S.

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22

Achintha, Paththini Marakkala Mithila. "Fracture analysis of debonding mechanism for FRP plates." Thesis, University of Cambridge, 2010. https://www.repository.cam.ac.uk/handle/1810/240575.

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Inevitable flaws in the concrete-FRP interface govern plate debonding, and are not amenable to finite element analysis because the models require far more detail than will ever be available for the interface. This thesis describes a global-energy-balance based fracture-mechanics model for the debonding mechanism of externally bonded FRP plates attached to concrete beams. The model investigates the possible propagation of an existing interface crack by considering the energy balance of the beam during a small potential crack extension. The crack will extend if the energy release rate is greater

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23

Hua, Meng. "The mechanics of continuous roller bending of plates." Thesis, Aston University, 1986. http://publications.aston.ac.uk/11862/.

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This research initiates a study of the mechanics of four roll plate bending and provides a methodology to investigate the process experimentally. To carry out the research a suitable model bender was designed and constructed. The model bender was comprehensively instrumented with ten load cells, three torquemeters and a tachometer. A rudimentary analysis of the four roll pre-bending mode considered the three critical bending operations. The analysis also gave an assessment of the model bender capacity for the design stage. The analysis indicated that an increase in the coefficient of friction

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24

Ho, Wai Yiu. "License Plate Recognition algorithms and their application to Macao license plates." Thesis, University of Macau, 2010. http://umaclib3.umac.mo/record=b2182850.

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25

Teeling-Smith, R. Graeme. "An investigation into the deformation and tearing of thin circular plates subjected to impulsive loads." Master's thesis, University of Cape Town, 1990. http://hdl.handle.net/11427/14564.

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Includes bibliographical references.<br>This investigation, primarily experimental, examines the failure of circular plates subjected to impulsive velocities. The experiments are conducted on fully clamped circular steel plates subjected to a uniformly distributed impulse. The strain-rate-sensitive mild steel plates fail with mode I (large ductile deformation), mode II (tensile-tearing and deformation) and mode III (transverse-shear) failure modes. The impulse is measured by means of a ballistic pendulum upon which the test plates are attached. During mode II and mode III failure the complete

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26

Israr, Asif. "Vibration analysis of cracked aluminium plates." Thesis, University of Glasgow, 2008. http://theses.gla.ac.uk/261/.

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This research is concerned with analytical modelling of the effects of cracks in structural plates and panels within aerospace systems such as aeroplane fuselage, wing, and tail-plane structures, and, as such, is part of a larger body of research into damage detection methodologies in such systems. This study is based on generating a so-called reduced order analytical model of the behaviour of the plate panel, within which a crack with some arbitrary characteristics is present, and which is subjected to a force that causes it to vibrate. In practice such a scenario is potentially extremely dan

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27

Ghosh, Triguna. "Nondestructive characterization of plates with an emphasis on civil infrastructure." Diss., The University of Arizona, 1997. http://hdl.handle.net/10150/282426.

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This work is aimed at developing a methodology for inspecting large plates, used in civil infrastructure, by Lamb waves. The traditional methods inspecting infrastructure are based on scattering of elastic waves from internal defects and on time of flight measurements. The methods based on elastic wave scattering can only detect defects larger than the wavelength of ultrasound used. The time of flight measurements have proven to be unreliable for strength analysis. This work investigates the potential of the Lamb wave technique to detect small defects when Lamb waves propagate over large dista

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28

Saliba, H. T. "Free vibration analysis of non-rectangular quadrilateral plates." Thesis, University of Ottawa (Canada), 1986. http://hdl.handle.net/10393/5264.

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29

Mallakunta, Narendra. "Static and dynamic analysis of rectangular sandwich plates." Thesis, University of Ottawa (Canada), 1990. http://hdl.handle.net/10393/5984.

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The static and dynamic characteristics of homogeneous rectangular plates and rectangular sandwich plates are studied by the finite element method using a 8-node isoparametric rectangular element. A computer code utilizing the finite element method is developed to generate solutions for the static and dynamic analysis of homogeneous plates and sandwich plates for conditions of plane stress, plane strain, bending, and combined stress and bending for small deformation problems only. However, in this work, the scope is limited to bending problems only. Further, only the values for the center defle

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30

Li, Nong. "Vibration of laminated orthotropic composite plates and shells." Thesis, University of Ottawa (Canada), 1994. http://hdl.handle.net/10393/6946.

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Almost all of the analytical solution techniques presented for composite plates and shells deal with either simply supported conditions or boundary conditions with at least a pair of opposite edges simply supported. In the present study, an alternative general approach, combining superposition and state space techniques is developed for the free vibration analysis of laminated orthotropic composite plates and shells having arbitrary boundary conditions. This study concentrates on the antisymmetric angle-ply laminated plates and cross-ply laminated plates and shells. Three commonly adopted theo

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31

Alizadeh, Y. "Free vibration of partially supported plates and shells." Thesis, University of Ottawa (Canada), 1992. http://hdl.handle.net/10393/10751.

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First-order transverse shear-deformation Mindlin theory has been used to predict the free vibration frequencies and modal shapes for isotropic, laminated and composite plates or shells. A finite element model based on the small deflection linear theory has been developed to obtain numerical solutions for this class of problems. The results for some of the degenerate cases are compared with other results available in the literature. These analyses involve a wide number of variables, namely; material properties, aspect ratios, support conditions and also radius to base ratio. The cracked base pl

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32

Bahous, André. "Plastic buckling of circular plates on elastic foundations." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123016.

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The thesis deals with the plastic bifurcation buckling of a full circular plate partially or fully bonded to an elastic foundation, and subjected to a uniform radial pressure at the periphery. The prebuckling state of stress in the plate is therefore a constant equibiaxial stress. Under this stress, the plate material undergoes strain-hardening, obeying an isotropically expanding J2 (von Mises) yield surface. The incremental constitutive relations, needed for the bifurcation analysis, are written in a way so as to incorporate behaviours according to both the J2 deformation and J2 -incremental

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33

Anderson, Roger J. (Roger Jeffrey) 1976. "Experiments and simulation of line heating of plates." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/80633.

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34

Pickering, Erik Green. "The response of quadrangular plates to buried charges." Master's thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/12244.

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Includes abstract.<br>Includes bibliographical references (leaves 155-162).<br>This dissertation reports on the results of an experimental and numerical investigation into the response of quadrangular plate structures to buried charges. The plate structure and PE4 explosive charge were scaled to the APC and the TM-57 Anti-tank mine respectively...

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35

Cherukunnath, Neeraj Narayanan. "Analysis of laminated plates using boundary element method." Thesis, University of Southampton, 2003. https://eprints.soton.ac.uk/45936/.

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Formulations and implementations of the Boundary Element Method (BEM) for bending, membrane stress, buckling and post-buckling analyses of laminated plates are presented. Symmetrically laminated plates are assumed for which the bending-stretching coupling is absent. From the generalized Rayleigh-Green identity corresponding to the plate-bending problem, boundary integral equations are derived using the appropriate fundamental solution. Integral equations are transformed into a system of equations in matrix form by introducing boundary element interpolation models. Linear and quadratic disconti

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36

Moazzami, Mehdi. "A higher order layer-wise theory of laminated plates." The Ohio State University, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=osu1273001724.

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37

Han, Myoung Soo. "Fundamental studies on welding-induced distortion in thin plates /." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486402288262521.

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38

Warncke, Dale. "The response of quadrangular plates to buried encased charges." Master's thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/29194.

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This dissertation reports on a series of experiments and numerical simulations that were carried out to investigate the response of quadrangular plates to buried encased charges with a view of understanding landmine effects on simple structures. Different loading scenarios were carried out for comparison. In total, four loading scenarios were investigated; namely bare and encased charges detonated in air, and bare and encased charges detonated under sand. A vertical pendulum was used to measure the impulse imparted onto the target plates, and dry construction sand was used to bury the charges.

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39

Das, Dhananjoy Kumar. "Finite strip analysis of sandwich panels." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/30287.

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A finite strip analysis of sandwich wood panels is presented. The panels consist of upper and lower plates stiffened by beams (joists) in one direction only. The analysis considers a Fourier series expansion in the stiffeners' direction and a polynomial finite element approximation in the direction normal to the stiffeners. The number of degrees of freedom is 34, which includes also the lateral and torsional deformation of the joists. This permits consideration of the effect of joist bridging on the maximum deflection and bending stresses. A maximum of 20 joists per panel can be analysed. The

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40

Eriksson, Marcus. "Accelerated degradation of bipolar plates in the PEMFC." Thesis, KTH, Skolan för kemivetenskap (CHE), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-207367.

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The aging of bipolar plates in the polymer electrolyte membrane fuel cell was evaluated using different accelerated degradation tests. From previous studies, it is well known that the startups and shutdowns of a polymer electrolyte membrane fuel cell is the primary cause of fuel cell component degradation. Therefore, the aim of these tests was to simulate the number of startups/shutdowns that normally occur during the lifetime of a polymer electrolyte membrane fuel cell, e.g. for automobile applications. The tests were carried out in situ in order to be as realistic and close to operational co

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41

Chow, Leung Choi. "Damping of plates with attached fluid or elastic layers." Thesis, University of Southampton, 1987. https://eprints.soton.ac.uk/52269/.

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The thesis is in three parts. The first is a theoretical and experimental investigation of squeeze-film damping on plates separated by gas, for example. air. For this study a thick excited plate was attached to an auxiliary plate parallel to the surface, thereby trapping a thin layer of air. Relative vibration of these two plates pumps this air at high velocities, resulting in energy loss due to air viscosity. The theory employs an impedance approach to predict the loss factor of the coupled plates. Below the excited plate critical frequency the damping is controlled by gas pumping, while abov

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42

Gatewitaya, Wonchai. "Optimal control of vibration of beams and plates." Ohio : Ohio University, 1995. http://www.ohiolink.edu/etd/view.cgi?ohiou1179345502.

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43

李華煜 and Wah-yuk Li. "Spline finite strip analysis of arbitrarily shaped plates and shells." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1988. http://hub.hku.hk/bib/B31231287.

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Li, Wah-yuk. "Spline finite strip analysis of arbitrarily shaped plates and shells /." [Hong Kong : University of Hong Kong], 1988. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12350758.

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45

Salomon, Ami 1972. "An evaluation of finite element models of stiffened plates." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/91329.

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46

Lacruz, Alvarez Alfonso de. "Damage response of sandwich plates subject to dynamic loads." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/35040.

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47

Radford, Anthony Michael. "Thin circular metal plates subjected to localised impulsive loads." Master's thesis, University of Cape Town, 1995. http://hdl.handle.net/11427/21703.

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This thesis presents a theoretical model to predict the response of thin circular metal plates subjected to localised impulsive loads. These predictions are compared to experimental data and a finite element model. The theoretical model is described by two models where the first model predicts the plate deformation and the second model, using the deformation from the first, predict the strains in the plate. The first model or theoretical displacement model presents a stepwise velocity field approach, in which it is assumed that the explosive burns as a set of discretised rings spreading from t

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48

Nurick, Gerald N. "Large deformations of thin plates subjected to impulsive loading." Doctoral thesis, University of Cape Town, 1987. http://hdl.handle.net/11427/6923.

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Includes bibliographical references.<br>The dynamic response of structures subjected to blast and impact loading has been obtained relatively simply using rigid-plastic or rigid-viscoplastic material idealisations. It is essential, however, that the predictions of these idealised theories should be checked against experimental results, and over the past twenty years several experimental studies have been carried out. This thesis describes a series of experiments on fully clamped Circular, square and rectangular steel plates. The final midpoint deflections measured were between 3 and 12 plate t

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49

Bimha, Richard Ernest. "Response of thin circular plates to central blast loading." Master's thesis, University of Cape Town, 1996. http://hdl.handle.net/11427/8488.

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Includes bibliographical references.<br>The large ductile deformation response and rupture of thin circular metal plates subjected to central blast loading is investigated using the ABAQUS general purpose finite element code. The finite element code incorporates non-linear geometry and material effects as well as strain rate sensitivity. A material failure model is also incorporated. The SA.XI axisymmetric sheet elements are used to model the plate. The shell element uses a theory that includes shear deformation effects but degenerates to the Kirchoff classical thin shell theory for thin shell

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50

Lee, Ho Hyung. "Postbuckling failure of composite plates with central holes." Diss., This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10022007-145159/.

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