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math.NA2023
Computational polyconvexification of isotropic functions
Timo Neumeier, Malte A. Peter, Daniel Peterseim +1
Based on the characterization of the polyconvex envelope of isotropic functions by their signed singular value representations, we propose a simple algorithm for the numerical appr…
math.AP2023★ 2 cited
Characterization of polyconvex isotropic functions
David Wiedemann, Malte A. Peter
Polyconvexity is an important concept in the analysis of energies related to elasticity. A function is called polyconvex if it can be written as a…