Tesis sobre el tema "Nonlinear geometrical analysi"
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Ruggerini, Andrea Walter <1988>. "Geometrically nonlinear analysis of thin-walled beams based on the Generalized Beam Theory". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amsdottorato.unibo.it/8497/7/Geometrically-nonlinear-GBT-beam-AndreaW-Ruggerini.pdf.
Texto completoAl-Qarra, H. H. "The geometrically nonlinear analysis of sandwich panels". Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373567.
Texto completoJau, Jih Jih. "Geometrically nonlinear finite element analysis of space frames". Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/54302.
Texto completoPh. D.
Aydin, Ayhan. "Geometric Integrators For Coupled Nonlinear Schrodinger Equation". Phd thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12605773/index.pdf.
Texto completodinger equations (CNLSE). Energy, momentum and additional conserved quantities are preserved by the multisymplectic integrators, which are shown using modified equations. The multisymplectic schemes are backward stable and non-dissipative. A semi-explicit method which is symplectic in the space variable and based on linear-nonlinear, even-odd splitting in time is derived. These methods are applied to the CNLSE with plane wave and soliton solutions for various combinations of the parameters of the equation. The numerical results confirm the excellent long time behavior of the conserved quantities and preservation of the shape of the soliton solutions in space and time.
Benatti, Luca. "Monotonicity Formulas in Nonlinear Potential Theory and their geometric applications". Doctoral thesis, Università degli studi di Trento, 2022. http://hdl.handle.net/11572/346959.
Texto completoMadutujuh, Nathan. "Geometrically nonlinear analysis of plane trusses and plane frames". Master's thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-01262010-020134/.
Texto completoHuang, Chiung-Yu. "Geometrically nonlinear finite element analysis of a lattice dome". Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/44650.
Texto completoThe geometry and the finite element method modelling of a lattice dome is presented.
Linear analyses and geometrically nonlinear analyses of the dome are performed. In
addition, a buckling load prediction method is studied and extended to the multiple
load distributions.
The results obtained from linear analyses are checked against the requirements of
NDS, National Design Standard.
Master of Science
SOAVE, NICOLA. "Variational and geometric methods for nonlinear differential equations". Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/49889.
Texto completoKwan, Herman Ho Ming. "Multilayer beam analysis including shear and geometric nonlinear effects". Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26711.
Texto completoApplied Science, Faculty of
Civil Engineering, Department of
Graduate
Wong, Chun-kuen y 黃春權. "Symmetry reduction for geometric nonlinear analysis of space structures". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31214721.
Texto completoWong, Chun-kuen. "Symmetry reduction for geometric nonlinear analysis of space structures /". Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18379734.
Texto completoMakeev, Andrew. "Geometrically nonlinear analysis of laminated composites with extension-twist coupling". Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/12028.
Texto completo鍾偉昌 y Wai-cheong Chung. "Geometrically nonlinear analysis of plates using higher order finite elements". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1986. http://hub.hku.hk/bib/B31207601.
Texto completoDavalos, Julio F. "Geometrically nonlinear finite element analysis of a glulam timber dome". Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54509.
Texto completoPh. D.
Chung, Wai-cheong. "Geometrically nonlinear analysis of plates using higher order finite elements /". [Hong Kong : University of Hong Kong], 1986. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12225022.
Texto completoSherzad, Rafiullah y Awrangzib Imamzada. "Buckling and Geometric Nonlinear Stress Analysis : Circular glulam arched structures". Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-54569.
Texto completoSilwal, Baikuntha. "An Investigation of the Beam-Column and the Finite-Element Formulations for Analyzing Geometrically Nonlinear Thermal Response of Plane Frames". OpenSIUC, 2013. https://opensiuc.lib.siu.edu/theses/1160.
Texto completoRibeiro, Pedro Manuel Leal. "Geometrical nonlinear vibration of beams and plates by the hierarchical finite element method". Doctoral thesis, University of Southampton, 1998. http://hdl.handle.net/10216/12056.
Texto completoLi, Lingchuan. "Geometrically nonlinear analysis of discretized structures by the group theoretic approach". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0011/NQ40271.pdf.
Texto completoCassani, D. "Nonlinear elliptic systems with critical growth". Doctoral thesis, Università degli Studi di Milano, 2005. http://hdl.handle.net/2434/23899.
Texto completoChandrashekhara, K. "Geometric and material nonlinear analysis of laminated composite plates and shells". Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/54739.
Texto completoPh. D.
Ribeiro, Pedro Manuel Leal. "Geometrical nonlinear vibration of beams and plates by the hierarchical finite element method". Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264388.
Texto completo陳永堅 y Wing-kin Chan. "Formulation of solid elements for linear and geometric nonlinear analysis of shells". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B30252842.
Texto completoLi, Jian. "Three dimensional isoparametric finite element analysis with geometric and material nonlinearities". Thesis, Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/12165.
Texto completoSteinbrink, Scott Edward. "Geometrically Nonlinear Analysis of Axially Symmetric, Composite Pressure Domes Using the Method of Multiple Shooting". Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/26099.
Texto completoPh. D.
Tongtoe, Samruam. "Failure Prediction of Spatial Wood Structures: Geometric and Material Nonlinear Finite Element Analysis". Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30557.
Texto completoPh. D.
Harrell, Timothy M. "Application of Groebner bases to geometrically nonlinear analysis of axisymmetric circular isotropic plates". Thesis, Tennessee Technological University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1567200.
Texto completoThis thesis demonstrates a new application of Groebner basis by finding an analytical solution to geometrically nonlinear axisymmetric isotropic circular plates. Because technology is becoming capable of creating materials that can perform materially in the linear elastic range while experiencing large deformation geometrically, more accurate models must be used to ensure the model will result in realistic representations of the structure. As a result, the governing equations have a highly nonlinear and coupled nature. Many of these nonlinear problems are solved numerically. Since analytic solutions are unavailable or limited to only a few simplified cases, their analysis has remained a challenging problem in the engineering community.
On the other hand, with the increasing computing capability in recent years, the application of Groebner basis can be seen in many areas of mathematics and science. However, its use in engineering mechanics has not been utilized to its full potential. The focus of this thesis is to introduce this methodology as a powerful and feasible tool in the analysis of geometrically nonlinear plate problems to find the closed form solutions for displacement, stress, moment, and transverse shearing force in the three cases defined in Chapter 4.
The procedure to determine the closed form solutions developed in the current study can be summarized as follows: 1) the von Kármán plate theory is used to generate nonlinear governing equations, 2) the method of minimum total potential energy combined with the Ritz methodology converts the governing equations into a system of nonlinear and coupled algebraic equations, 3) and Groebner Basis is employed to decouple the algebraic equations to find analytic solutions in terms of the material and geometric parameters of the plate. Maple 13 is used to compute the Groebner basis. Some examples of Maple worksheets and ANSYS log files for the current study are documented in the thesis.
The results of the present analysis indicate that nonlinear effects for the plates subjected to larger deformation are significant for predicting the deflections and stresses in the plates and necessary compared to those based on the linear assumptions. The analysis presented in the thesis further shows the potential of the Groebner basis methodology combined with the methods of Ritz, Galerkin, and similar approximation methods of weighted residuals which may provide a useful procedure of analysis to other nonlinear problems and a basis of preliminary design in engineering practice.
Yao, Ming-Sheng. "Linear and geometrically nonlinear structural dynamic analysis using reduced basis finite element technique". Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/46620.
Texto completoStoll, Frederick. "A method for the geometrically nonlinear analysis of compressively loaded prismatic composite structures". Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39814.
Texto completoLiu, Chorng-Fuh. "Geometrically nonlinear analysis of composite laminates using a refined shear deformation shell theory". Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/54453.
Texto completoPh. D.
Sampathkumar, Narasimhan. "Three dimensional geometrical and material nonlinear finite element analysis of adhesively bonded joints for marine structures". Thesis, University of Southampton, 2005. https://eprints.soton.ac.uk/142767/.
Texto completoGarcilazo, Juan Jose. "Nonlinear Analysis of Plane Frames Subjected to Temperature Changes". OpenSIUC, 2015. https://opensiuc.lib.siu.edu/dissertations/1009.
Texto completoProvidas, Efthimios. "On the geometrically nonlinear constant moment triangle (with a note on drilling rotations)". Thesis, Brunel University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277518.
Texto completoAbu, Kassim Abdul Majid. "Theorems of structural and geometric variation for linear and nonlinear finite element analysis". Thesis, University of Edinburgh, 1985. http://hdl.handle.net/1842/10710.
Texto completoChen, Yahao. "Geometric analysis of differential-algebraic equations and control systems : linear, nonlinear and linearizable". Thesis, Normandie, 2019. http://www.theses.fr/2019NORMIR04.
Texto completoIn the first part of this thesis, we study linear differential-algebraic equations (shortly, DAEs) and linear control systems given by DAEs (shortly, DAECSs). The discussed problems and obtained results are summarized as follows. 1. Geometric connections between linear DAEs and linear ODE control systems ODECSs. We propose a procedure, named explicitation, to associate a linear ODECS to any linear DAE. The explicitation of a DAE is a class of ODECSs, or more precisely, an ODECS defined up to a coordinates change, a feedback transformation and an output injection. Then we compare the Wong sequences of a DAE with invariant subspaces of its explicitation. We prove that the basic canonical forms, the Kronecker canonical form KCF of linear DAEs and the Morse canonical form MCF of ODECSs, have a perfect correspondence and their invariants (indices and subspaces) are related. Furthermore, we define the internal equivalence of two DAEs and show its difference with the external equivalence by discussing their relations with internal regularity, i.e., the existence and uniqueness of solutions. 2. Transform a linear DAECS into its feedback canonical form via the explicitation with driving variables. We study connections between the feedback canonical form FBCF of DAE control systems DAECSs proposed in the literature and the famous Morse canonical form MCF of ODECSs. In order to connect DAECSs with ODECSs, we use a procedure named explicitation (with driving variables). This procedure attaches a class of ODECSs with two kinds of inputs (the original control input and the vector of driving variables) to a given DAECS. On the other hand, for classical linear ODECSs (without driving variables), we propose a Morse triangular form MTF to modify the construction of the classical MCF. Based on the MTF, we propose an extended MTF and an extended MCF for ODECSs with two kinds of inputs. Finally, an algorithm is proposed to transform a given DAECS into its FBCF. This algorithm is based on the extended MCF of an ODECS given by the explication procedure. Finally, a numerical example is given to show the structure and efficiency of the proposed algorithm. For nonlinear DAEs and DAECSs (of quasi-linear form), we study the following problems: 3. Explicitations, external and internal analysis, and normal forms of nonlinear DAEs. We generalize the two explicitation procedures (with or without driving variable) proposed in the linear case for nonlinear DAEs of quasi-linear form. The purpose of these two explicitation procedures is to associate a nonlinear ODECS to any nonlinear DAE such that we can use the classical nonlinear ODE control theory to analyze nonlinear DAEs. We discuss differences of internal and external equivalence of nonlinear DAEs by showing their relations with the existence and uniqueness of solutions (internal regularity). Then we show that the internal analysis of nonlinear DAEs is closely related to the zero dynamics in the classical nonlinear control theory. Moreover, we show relations of DAEs of pure semi-explicit form with the two explicitation procedures. Furthermore, a nonlinear generalization of the Weierstrass form WE is proposed based on the zero dynamics of a nonlinear ODECS given by the explicitation procedure
Filchev, Ivan. "Buckling and geometric nonlinear FE analysis of pitched large-spanroof structure of wood". Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-54324.
Texto completoGuo, Sheng. "On Neumann Problems for Fully Nonlinear Elliptic and Parabolic Equations on Manifolds". The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1571696906482925.
Texto completoSUBRAMANIAN, BALAKRISHNAN. "GEOMETRICALLY NONLINEAR ANALYSIS OF THIN ARBITRARY SHELLS USING DISCRETE-KIRCHHOFF CURVED TRIANGULAR ELEMENTS (FINITE)". Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/188101.
Texto completoHammerand, Daniel C. "Geometrically-Linear and Nonlinear Analysis of Linear Viscoelastic Composites Using the Finite Element Method". Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/28893.
Texto completoPh. D.
Lai, Zhi Cheng. "Finite element analysis of electrostatic coupled systems using geometrically nonlinear mixed assumed stress finite elements". Diss., Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-05052008-101337/.
Texto completoVu, Duy Thang [Verfasser]. "Geometrically nonlinear higher-order shear deformation FE analysis of thin-walled smart structures / Duy Thang Vu". Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2011. http://d-nb.info/1018190376/34.
Texto completoVasilescu, Adrian. "Analysis of geometrically nonlinear and softening response of thin structures by a new facet shell element". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0018/MQ57743.pdf.
Texto completoLam, Siu-Shu Eddie. "Linear and geometrically nonlinear analysis of shell structures by a shear flexible finite element shell formulation". Thesis, University of Southampton, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328340.
Texto completoAndruet, Raul Horacio. "Special 2-D and 3-D Geometrically Nonlinear Finite Elements for Analysis of Adhesively Bonded Joints". Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/30450.
Texto completoPh. D.
Vasilescu, Adrian Carleton University Dissertation Engineering Civil and Environmental. "Analysis of geometrically nonlinear and softening response of thin structures by a new Facet Shell Element". Ottawa, 2000.
Buscar texto completoRamachandran, Maya. "Nonlinear finite element analysis of TWEEL geometric parameter modifications on spoke dynamics during high speed rolling". Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1239896731/.
Texto completoJunca, Stéphane. "Oscillating waves for nonlinear conservation laws". Habilitation à diriger des recherches, Université Nice Sophia Antipolis, 2013. http://tel.archives-ouvertes.fr/tel-00845827.
Texto completoBurchnall, David. "Formulation and Validation of a Nonlinear Shell Element for the Analysis of Reinforced Concrete and Masonry Structures". Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/48597.
Texto completoMaster of Science
Warren, J. E. Jr. "Nonlinear Stability Analysis of Frame-Type Structures with Random Geometric Imperfections Using a Total-Lagrangian Finite Element Formulation". Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30338.
Texto completoPh. D.
NARAYANAN, VIJAY. "STRUCTURAL ANALYSIS OF REINFORCED SHELL WING MODEL FOR JOINED-WING CONFIGURATION". University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1116214221.
Texto completo