539.3+519.86 Multiscale modeling of elastic-plastic composites with an allowance for fault probability

Dimitrienko Y. I. (Bauman Moscow State Technical University), Gubareva E. A. (Bauman Moscow State Technical University), Sborschikov S. V. (Bauman Moscow State Technical University)

NUMERICAL MODELING, COMPOSITES, METHOD OF ASYMPTOTIC HOMOGENIZATION, ELASTICPLASTIC MATERIALS, COMPOSITE DESTRUCTION, FINITE ELEMENTS METHOD, LOCAL PROBLEMS, PERIODICITY CELL, ALUMINUM MATRIX, SIC PARTICLES


doi: 10.18698/2309-3684-2016-2-323


The purpose of this article is to propose a model of deformation of elastic-plastic composite materials with periodic structures with an allowance for fault probability of the composite phases. The model is based on a variant of the deformation theory of plasticity with the active loading. To simulate the effective characteristics of elastic-plastic composites, we applied the method of asymptotic homogenization of periodic structures. For numerical solution of linearized problems on the periodicity cell we offered the finite elements method using SMCM software medium developed at the Scientific-Educational Center of Supercomputer Engineering Modeling and Program Software Development of the Bauman Moscow State Technical University. We provide the research with the examples of numerical computations for dispersion-reinforced metal composites (aluminum matrix filled with SiC particles). Finally, we present the results of numerical modeling of deformation processes, damage accumulation and metal-composite destruction.


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Dimitrienko Y., Gubareva E., Sborschikov S. Multiscale modeling of elastic-plastic composites with an allowance for fault probability. Маthematical Modeling and Coтputational Methods, 2016, №2 (10), pp. 3-23



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