TBE_Legend 发表于 2013-7-20 11:08:12

关于二阶张量散度的推导

谁有兴趣证明一下这个绿色箭头
（注意：这里的梯度的定义和一般的梯度定义是相反的）

tonnyw 发表于 2013-7-24 23:31:55

I might not understand the question. It seems to me there is no need to prove anything. It is so obvious. It is just the derivative of a function over original configuration X or current configuration and the derivative is related by deformation gradient.

nattyhair 发表于 2013-8-12 10:38:36

来看看哦

nattyhair 发表于 2013-8-13 10:06:05

孩子，这好难！
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