Deformation of a solid. The strain tensor
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This chapter introduces the displacement gradient tensor, or distortion tensor, which describes the most general distortion of a crystal. This field tensor of rank 2 is shown to decompose into the strain tensor, which is symmetric, and an antisymmetric tensor associated to a rotation. The last section is devoted to the thermal expansion of crystals.
KeywordsStrain Tensor Relative Elongation Antisymmetric Tensor Axis System Direct Sense
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