Meshless Methods in Solid Mechanics

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Meshless Methods in Solid Mechanics by Youping Chen , James Lee , Azim Eskandarian
English | PDF (True) | 2006 | 211 Pages | ISBN : 0387307362 | 2.5 MB

This book covers the fundamentals of continuum mechanics, the integral formulation methods of continuum problems, the basic concepts of finite element methods, and the methodologies, formulations, procedures, and applications of various meshless methods. It also provides general and detailed procedures of meshless analysis on elastostatics, elastodynamics, non-local continuum mechanics and plasticity with a large number of numerical examples. Some basic and important mathematical methods are included in the Appendixes. For readers who want to gain knowledge through hands-on experience, the meshless programs for elastostatics and elastodynamics are provided on an included disc.
Finite element method has been the dominant technique in computational mechanics in the past decades,and it has made significant contributions to the developments in engineering and science. Nevertheless, FEM is not well suited to problems hav- ing severe mesh distortion owing to extremely large deformations of materials, encountering moving discontinuities such as crack propagation along arbitrary and complex paths, involving considerable meshings and remeshings in structural optimization problems, or having multidomain of influence in multiphenomena physical problems. It is impossible to completely overcome those mesh-related difficulties by a mesh-based method. The highly structured nature of finite ele- ment approximations imposes severe penalties in seeking the solutions of those problems.
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