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初应力法求解拉压双弹性模量的空间问题

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Indexed by:期刊论文

Date of Publication:1999-01-01

Journal:大连理工大学学报

Included Journals:PKU、CSCD

Issue:4

Page Number:16-20

ISSN No.:1000-8608

Key Words:有限元/双模量; 初应力法

Abstract:采用等参单元,在相应的单元高斯积分点上判断应力状态,利用初应力法,以提高计算精度和效率.由于是在所有的高斯积分点上,而非在形心处进行应力状态判断和修改,因而其解更接近真实状态

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