A multiaxial stress-strain correction scheme
Lang H, Dressler K, Pinnau R (2005)
Publication Type: Other publication type
Publication year: 2005
Series: AGTM report
Pages Range: 19
Journal Issue: 263
Abstract
A method to correct the elastic stress tensor over time at a fixed point of an elastoplastic body, which is subject to exterior loads, is presented and mathematically analysed. In contrast to uniaxial corrections (Neuber or ESED), our method takes multiaxiality phenomena like cyclic hardening/softening, ratchetting and non-masing behaviour into account using Jiang’s model of nonlinear elastoplasticity. Our numerical algorithm is designed for the case that the scalar loads are piecewise linear and can be used e.g. in connection with critical plane/multiaxial rainflow methods in high cycle fatigue analysis. In addition, a local existence and uniqueness result for a generalized solution of Jiang’s system of discontinuous ordinary differential equations is given.
Authors with CRIS profile
Involved external institutions
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik (ITWM) / Fraunhofer Institute for Industrial Mathematics
Germany (DE)
Technische Universität Kaiserslautern
Germany (DE)
Germany (DE)
Technische Universität Kaiserslautern
Germany (DE)
How to cite
APA:
Lang, H., Dressler, K., & Pinnau, R. (2005). A multiaxial stress-strain correction scheme.
MLA:
Lang, Holger, Klaus Dressler, and René Pinnau. A multiaxial stress-strain correction scheme. 2005.
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