*mat_orthotropic_elastic 参数问题

Cort · 发表于 2017-7-19 21:21:32

请问各位大神，有人知道*mat_orthotropic_elastic 中，G Shear modulus for frequency independent damping. Frequency independent damping is based of a spring and slider in series. The critical
stress for the slider mechanism is SIGF defined below. For the best results,
the value of G should be 250-1000 times greater than SIGF. This option
applies only to solid elements.
SIGF Limit stress for frequency independent, frictional, damping.
G和SIGF该怎么设置呢？

Cort · 发表于 2017-7-19 21:25:45

有本书上SIGF写为频率无关摩擦阻尼的盈利限值；G为用于频率无关阻尼的剪切模量，可是还是没有查到具体是什么意思，该怎么设置这俩参数

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[ANSYS/LS-DYNA] *mat_orthotropic_elastic 参数问题