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发表于 2010-10-22 14:23:21
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来自 黑龙江哈尔滨
本帖最后由 saygoodbye5219 于 2010-10-22 15:48 编辑
出现了如下的警告信息,请问是否有问题,我是用S4R单元模拟的一个三角形的板,网格全局网格尺寸2mm,模型的边长120mm,本来做的是屈曲后的性能,但是计算后的结果居然都不屈服。请大侠们给看看啊!
The parameter hourglass = stiffness on the section controls option is relevant for these elements: c3d8r, cax4r, cgax4r, cpeg4r, cpe4r, cps4r, m3d4r, m3d9r, s4r5, s4r, s8r5, s9r5, sc6r, sc8r and their hybrid, thermal and pressure counterparts wherever applicable. It is also relevant for all types of modified triangular and tetrahedral elements. This warning can be ignored if the feature is applied to these element types only.(这个警告不知道有没有影响)
MPCS (EXTERNAL or INTERNAL, including those generated from rigid body definitions), KINEMATIC COUPLINGS, AND/OR EQUATIONS WILL ACTIVATE ADDITIONAL DEGREES OF FREEDOM(这个警告可以忽略么?我确实定义了EQUATION)
The strain increment has exceeded fifty times the strain to cause first yield at 2 points
。。。。。。
(都是The strain increment has exceeded fifty times the strain to cause first yield at XX points)(我看LZ说这个问题是提醒出现的塑性变形很大,但是我看PEEQ时,模型基本上都是PEEQ为零,只有局部有数值)
谢谢! |
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