Finite thermo-elastic decoupled two-scale analysis

Robert Fleischhauer, Tom Thomas, Junji Kato, Kenjiro Terada, Michael Kaliske

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    Engineering structures are often characterized by different structural properties, depending on the length scale under consideration. Fiber reinforced composites are determined, eg, by a heterogeneous microstructure, but are sufficiently described by homogeneous characteristics at their macroscopic level. Moreover, different loading situations, eg, of thermal or mechanical nature, require the consideration of multiphysical equilibrium states. The challenging engineering task is the computation of the effective material properties of these different loading scenarios. The contribution at hand introduces a finite thermo-elastic two-scale analysis, where the effective macroscopic material properties are computed in a decoupled manner with respect to the different length scales.

    Original languageEnglish
    Pages (from-to)355-392
    Number of pages38
    JournalInternational Journal for Numerical Methods in Engineering
    Volume121
    Issue number3
    DOIs
    Publication statusPublished - 2020 Feb 15

    Keywords

    • anisotropic thermo-elasticity
    • computational homogenization
    • finite deformations

    ASJC Scopus subject areas

    • Numerical Analysis
    • Engineering(all)
    • Applied Mathematics

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