Articoli correlati a Plate Stability by Boundary Element Method (Lecture...

Plate Stability by Boundary Element Method (Lecture Notes in Engineering): 64 - Brossura

Elzein, Abbas

 
9783540537106: Plate Stability by Boundary Element Method (Lecture Notes in Engineering): 64

Sinossi

This book presents various boundary element foundations, implementations and results of linear and geometrically nonlinear problems of thin plates loaded in their own plane. It serves as a detailed introduction to the subject as well as a survey and explo

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Contenuti

1 Introduction.- 1.1 Historical Background.- 1.2 Stability.- 1.3 Experimental and Numerical Modelling.- 1.4 The Boundary Element Method.- 1.5 Plate Stability by BEM.- 1.6 Scope of the Present Work.- 2 Plate Stability Theory.- 2.1 Introduction.- 2.2 Stability of Structural Systems.- 2.3 Linear Theory.- 2.4 Large Deflections.- 2.5 Boundary Conditions.- 2.5.1 Out-of-Plane Boundary Conditions.- 2.5.2 In-Plane Boundary Conditions.- 2.6 Numerical and Experimental Studies.- 2.7 Conclusions.- 3 Membrane State of Stress.- 3.1 Introduction.- 3.2 Boundary Integral Formulation.- 3.3 Boundary Element Solution.- 3.4 Numerical Implementation.- 3.5 Results.- 3.6 Conclusions.- 4 Critical Loads.- 4.1 Introduction.- 4.2 Boundary Integral Formulation.- 4.3 Boundary Element Solution.- 4.3.1 Modelling of Boundary Unknowns.- 4.3.2 Domain Deflection Models.- 4.3.2.1 Continuous Cells.- 4.3.2.2 Discontinuous Cells.- 4.3.3 Free Boundary.- 4.3.4 Eigenvalue Problem.- 4.4 Numerical Implementation.- 4.5 Results.- 4.5.1 Optimum Nodal Position in Discontinuous Elements.- 4.5.2 Performance of the Various Interpolation Models.- 4.5.3 Convergence of Results from the Linear Discontinuous Model.- 4.5.4 Comparison with Exact Solutions.- 4.5.5 Comparison with the Finite Element Method.- 4.6 Conclusions.- 5 Dual Reciprocity.- 5.1 Introduction.- 5.2 Outline of the Method.- 5.3 The Discrete Points Fourier Analysis.- 5.3.1 The One-Dimensional Fourier Series.- 5.3.2 The Two-Dimensional Fourier Series.- 5.3.3 The Discrete Points Two-Dimensional Fourier Analysis.- 5.4 The Deflection Models.- 5.4.1 The Trigonometric Deflection Model.- 5.4.2 The Nodal Deflection Model.- 5.5 Transformation of L(w).- 5.6 Transformation of the Domain Integral.- 5.7 The Problem of Singular Integrals.- 5.8 Eigenvalue Problem.- 5.9 Numerical Implementation.- 5.10 Results.- 5.10.1 Convergence of the Fourier Transformation.- 5.10.2 Convergence of the Transformed Integrals.- 5.10.3 Examples of Critical Loads.- 5.10.3.1 The Trigonometric Deflection Model.- 5.10.3.2 The Nodal Deflection Model.- 5.10.3.3 The Plates Deflected Shape.- 5.11 Conclusions.- 6 Large Deflections.- 6.1 Introduction.- 6.2 Boundary Integral Formulation.- 6.3 Domain Deflection Models.- 6.4 Boundary Element Solution.- 6.5 Solution of the System of Equations.- 6.6 Numerical Implementation.- 6.7 Results.- 6.8 Conclusions.- 7 Conclusions.- Appendix A The Green’s Identities.- Appendix B Functions of the Fundamental Solutions.- Appendix C Trigonometric Deflection Functions.- References.

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