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psto

铜虫 (初入文坛)

[求助] 连续连续介质力学 物质变形梯度和物质位移梯度的求法

已知位移场为u=(X₁X₃^2)e₁+(X₂X₁^2)e₂+(X₃X₂^2)e₃;
求物质变形梯度F和物质位移梯度J;并证明J=F-I;
谢谢!
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psto

铜虫 (初入文坛)

位移梯度搞明白了,物质变形梯度好不会求?
2楼2015-04-25 21:16:20
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这想必是

新虫 (初入文坛)

等一个答案!题目一模一样
3楼2019-08-13 15:56:58
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