| 摘要: |
| 介绍了在结构分析中考虑应变软化材料的弹塑性本构关系的建立、解的唯一性与稳定性，以非线性方程组的求解等的研究进展，指出了仍需进一步研究的问题。 |
| 关键词: 应变软化 本构关系 稳定性 分叉理论 有限元 |
| DOI： |
| 分类号:TU313 |
| 基金项目: |
|
| Basic problems of strain-softening material |
|
ZHAO Qi lin,NIU Hai qing,ZHUO Jia shou
|
| Abstract: |
| The development of elasto plastic constitutive law, the uniqueness and stability of the solution,and the solution of the nonlinear equation groups in structural stress analyses considering strain softening material are described.Finally,some problems to be further studied are pointed out. |
| Key words: strain softening,constitutive law,uniqueness,stability,bifurcation theory,finite element,summarization |
