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弹性平面扇形域问题及哈密顿体系
引用本文:钟万勰.弹性平面扇形域问题及哈密顿体系[J].应用数学和力学,1994,15(12):1057-1066.
作者姓名:钟万勰
作者单位:大连理工大学工程力学研究所
基金项目:国家自然科学基金及教委博士点基金
摘    要:通过变量代换及变分原理,将平面弹性扇形域的方程导向哈密顿体系,从而可用分离变量法、本征函数展开等方法求解扇形域的分析单元,这样便可以与有限元的程序系统相结合。显示了哈密顿体系、辛数学的应用潜力。

关 键 词:弹性力学,哈密顿体系,辛

Plane Elasticity Sectorial Donain and the Hamiltonian System
Zhong Wan,xie.Plane Elasticity Sectorial Donain and the Hamiltonian System[J].Applied Mathematics and Mechanics,1994,15(12):1057-1066.
Authors:Zhong Wan  xie
Abstract:The governing equations of plane elasticity in sectorial domain are derived to be in Hamiltonian form via variable substitutes and variational principles.The method of separation of variables and eigenfunction expansion method are derived to solve the finite element analytically for the sectorial domain elasti-city problem,so that such kind of analytical element can be installed into FEM program systems.It demonstrats the potential of the Hamiltonian system theory and symplectic mathematics.
Keywords:elasticity  Hamiltonian system  symplectic
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