摘要:
|
推导了一种坐标更新的微分型全量弹塑性有限元算法,用它模拟金属的压缩失稳现象,计算结果同实测值非常接近,并优于增量算法和刚塑性算法的结果。表明这一算法用于模拟金属的压缩失稳现象非常有效。
|
Based on the deformation theory,a new renew coordination differential form elastic\|plastic finite element method(FEM)algorithm is presented,the unstability in metal compress processes is simulated,it is shows that the simulating results are in good agreement with the experiment.
|
基金项目:
|
|
作者简介:
|
|
参考文献:
|
1 吴永礼 .弹塑性有限元一些解法的比较 .固体力学学报 ,1982( 4) :5 6 5~ 5 70
2 乔端等 .全量弹塑性有限元法及其应用 .北京钢铁学院学报 ,1985(增 ) :10 4~ 113
3 魏祖健等 .非线性弹性及全量弹塑性有限元分析中的一致切线模量 .应用力学学报 ,1992 ( 19) :70~ 76
4 JC Simo.A framework forfinitestrain elastoplasticity plasticdis sipation and the multiplication decomposition Part1.ComputMeths Appl Mech Engng.1988,6 6 :199~ 2 19
5 JC Simo.A framework forfinitestrain elastoplasticity plasticdis sipation and the multiplication decomposition Part 2 . ComputMeths Appl Mech Engng.1988,6 8:1~ 3 1
|
服务与反馈:
|
【文章下载】【加入收藏】
|
|
|