| 杨海天,邬瑞锋,佟晓利.二维蠕变损伤的有效模量法及有限元分析[J].计算力学学报,1996,13(2): |
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| 二维蠕变损伤的有效模量法及有限元分析 |
| Effective modulus methods in 2-dimemsional creep damage problems and finite element analysis |
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| DOI：10.7511/jslx19962034 |
| 中文关键词: 蠕变,损伤,有效模量,有限元,差分 |
| 英文关键词:creep,damage,effective modulus,effective stress,finite element,difference |
| 基金项目:中科院地质所的资助 |
| 杨海天 邬瑞锋 佟晓利 |
大连理工大学工程力学系 116023
(杨海天，邬瑞锋)
，大连理工大学工程力学系 116023(佟晓利)
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| 摘要点击次数: 1102 |
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| 中文摘要: |
| 建议了二维蠕变损伤问题的有效模量法,基于热动理论提出了一个损伤演化方程,给出有效模量法和有效应力法的有限元解,并对西种方法进行了数值比较。 |
| 英文摘要: |
| This paper presents an effective modulus method in 2-dimensional creep damage problems. An evolution equation of damage is proposed based upon the thermodynamic theory. Nonlinear finite element analysis are given for both effecfive modulus and effective strese models. Two models are compaled numerically. |
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