Relaxed Incremental Formulations for Damage at Finite Strains Including Strain Softening

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Abstract: Relaxation is a promosing technique to overcome mesh‐dependency in computational damage mechanics originating from the non‐convexity of an underlying incremental variational formulation. This technique does not require an internal length scale parameter. However, in case of damage formulations, for many years the decrease of stresses with an increase of strains, referred to as strain‐softening, could not be modeled in the relaxed regime. This contribution discusses several possibilities of relaxation that lead to suitable models for stress‐ and strain‐softening.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Relaxed Incremental Formulations for Damage at Finite Strains Including Strain Softening ; volume:23 ; number:1 ; year:2023 ; extent:6
Proceedings in applied mathematics and mechanics ; 23, Heft 1 (2023) (gesamt 6)

Creator: Köhler, Maximilian
Neumeier, Timo
Peterseim, Daniel
Peter, Malte A.
Balzani, Daniel

DOI: 10.1002/pamm.202200297

URN: urn:nbn:de:101:1-2023060115092434195914

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:54 AM CEST

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Computational polyconvexification of isotropic functions

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An enhanced algorithmic scheme for relaxed incremental variational damage formulations at finite strains

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Computational polyconvexification of isotropic functions

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