Volume changing and volume preserving deformation

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Reference no: EM131303744

Many materials often show very different behaviors between volume changing deformation and volume-preserving deformation. The former is called dilatation, while the latter is called distortion.

In such a case, it is necessary to separate the dilatational and distortional parts from the deformation gradient.

For example, the deformation gradient can be decomposed into F = F_v · F_d, where F_v is the dilatational part and F_d is the distortional part. Calculate F_v and F_dusing the third invariant of the deformation tensor.

Reference no: EM131303744

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