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基于参数变分原理的非均质材料弹塑性有限元分析的Voronoi单元法

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Indexed by:期刊论文

Date of Publication:2006-08-15

Journal:应用数学和力学

Included Journals:PKU、ISTIC、CSCD

Volume:27

Issue:8

Page Number:904-912

ISSN No.:1000-0887

Key Words:Voronoi单元;参数变分原理;二次规划法

Abstract:在非均质材料的有限元数值模拟中,采用了Voronoi单元(VCFEM)以克服经典位移元的局限性.基于参数变分原理和二次规划法进行了Voronoi单元的二维弹塑性分析.推导了有限元列式并形成最终的二次规划求解模型.研究了非均质材料微观夹杂对整体力学性能的影响.数值算例证明了该方法的正确和可行性.

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