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发表于 2008-10-18 16:36:48
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来自 北京
(2)关于*MAT_JOHNSON_COOK中
SPALL Spall type:
EQ. 0.0: default set to “2.0”,
EQ. 1.0: p ≥ pmin,
EQ. 2.0: if σmax ≥ -pmin element spalls and tension, p < 0, is never
allowed,
EQ. 3.0: p < -pmin element spalls and tension, p < 0, is never allowed.
的EQ. 3.0的说明,也是错误的。
应该是:
SPALL Spall type:
EQ. 0.0: default set to “2.0”,
EQ. 1.0: p ≥ pmin,(压力限制模型)
EQ. 2.0: if σmax ≥ -pmin element spalls and tension, p < 0, is never
allowed,(最大主应力判据)
EQ. 3.0: if p < pmin(不应该有负号,可以参考DYNA950用户手册第3.15.1m页) element spalls and tension, p < 0, is never allowed.(压力判据,压缩时压力为正,拉伸时压力为负) |
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