基于应变能的自适应EFG方法关键技术研究
Journal Title: Science Paper Online - Year 2007, Vol 2, Issue 3
Abstract
本文研究了基于应变能的自适应无网格伽辽金方法。给出自适应无网格伽辽金方法的原理、算法流程和程序实现，并对该方法中的关键技术进行了讨论，包括提出基于背景网格的误差估计方法、由结点组成的四边形或三角形局部结点加密技术和EFG-FE耦合方法及自适应搜索半径算法，计算了带小圆孔平板拉伸和圆柱体与刚性平面的弹性接触的算例。计算表明，该方法能在较少的计算规模下得到较正确的计算结果。
Authors and Affiliations
Zheng Zhang , Geng Liu, Tianxiang Liu
Keywords
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