arXiv 2206.024732022-06-06math-phmath.APmath.MP

Cosserat micropolar elasticity: classical Eringen vs. dislocation form

Ionel-Dumitrel Ghiba, Gianluca Rizzi, Angela Madeo, Patrizio Neff

英文摘要：

In this paper we do a comparative presentation of the linear isotropic Cosserat elastic model from two perspectives: the classical Mindlin-Eringen-Nowacki description in terms of a microrotation vector and a new formulation in terms of a skew-symmetric matrix and a curvature energy in dislocation form. We provide the reader with an alternative representation of the energy for the isotropic Cosserat model to ease the comparison with the relaxed micromorphic model and the geometrically nonlinear Cosserat elastic model.

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