Time-continuous modeling of microstructures in single-slip finite elasto-plasticity based on energy relaxation |
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| Authors: | Dennis M Kochmann Klaus Hackl |
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| Institution: | Lehrstuhl für Allgemeine Mechanik, Ruhr-Universität Bochum, D-44780 Bochum, Germany |
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| Abstract: | The non-(quasi)convexity of the free energy of single crystals in finite elasto-plasticity gives rise to the formation of fine-scale fluctuations of the displacement field, which can be interpreted as material microstructures. We outline a numerical procedure to model the origin and subsequent evolution of laminate microstructures. This approach incrementally solves the evolution equations by employing relaxed energy potentials. (© 2009 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim) |
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