Abstract
The finite element reliability method is applied to the analysis of strain localisation phenomena. Properties like the Young’s modulus, the softening modulus and the yield stress are considered to be random fields. The most probable configurations of imperfections leading to failure are sought by means of an optimisation algorithm. This allows for evaluation of the significance of different modes and of the global probability of failure. The symmetry/asymmetry of shear band patterning in a biaxial test is studied for a viscoplastic material.
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© 2001 Springer-Verlag Berlin Heidelberg
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Gutiérrez, M.A., de Borst, R. (2001). Computational models for failure in cohesive-frictional materials with stochastically distributed imperfections. In: Vermeer, P.A., Herrmann, H.J., Luding, S., Ehlers, W., Diebels, S., Ramm, E. (eds) Continuous and Discontinuous Modelling of Cohesive-Frictional Materials. Lecture Notes in Physics, vol 568. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44424-6_1
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DOI: https://doi.org/10.1007/3-540-44424-6_1
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