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An Alternative Mooney-Rivlin Material Model for Finite Strain Plasticity Cover

An Alternative Mooney-Rivlin Material Model for Finite Strain Plasticity

By:   
Open Access
|Jun 2026

Abstract

Contemporary finite-strain plasticity models based on a multiplicative split of the deformation gradient exhibit fundamental inconsistencies, such as incorrect intermediate configurations, violations of mass conservation, a predefined deformation order, and erroneous stress evaluation. We propose an alternative Mooney– Rivlin model employing an additive split of the strain-rate tensor. A numerical example demonstrates its consistency and suitability for a universal finite elastoplastic framework.

DOI: https://doi.org/10.2478/scjme-2026-0017 | Journal eISSN: 2450-5471 | Journal ISSN: 0039-2472
Language: English
Page range: 189 - 204
Published on: Jun 17, 2026
In partnership with: Paradigm Publishing Services

© 2026 Ladislav Écsi, published by Slovak University of Technology in Bratislava
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.