The Closest Elastic Tensor of Arbitrary Symmetry to an Elasticity Tensor of Lower Symmetry

@inproceedings{Moakher2006TheCE,
  title={The Closest Elastic Tensor of Arbitrary Symmetry to an Elasticity Tensor of Lower Symmetry},
  author={Maher Moakher and Andrew N. Norris},
  year={2006}
}
The closest tensors of higher symmetry classes are derived in explicit form for a given elasticity tensor of arbitrary symmetry. The mathematical problem is to minimize the elastic length or distance between the given tensor and the closest elasticity tensor of the specified symmetry. Solutions are presented for three distance functions, with particular attention to the Riemannian and log-Euclidean distances. These yield solutions that are invariant under inversion, i.e., the same whether… CONTINUE READING

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