Accepted Paper
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Inserted: 13 dec 2022
Last Updated: 11 nov 2026
Journal: Calc. Var. PDEs
Volume: 63
Pages: 72
Year: 2024
Doi: 10.1007/s00526-024-02673-0
Abstract:
We carry out a variational study for integral functionals that model the stored energy of a heterogeneous material governed by finite-strain elastoplasticity with hardening. Assuming that the composite has a periodic microscopic structure, we establish the Γ-convergence of the energies in the limiting of vanishing periodicity. The constraint that plastic deformations belong to SL(3) poses the biggest hurdle to the analysis, and we address it by regarding SL(3) as a Finsler manifold.
Keywords: Homogenization, $\Gamma$-convergence, Finsler manifold, finite-strain elastoplasticity
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