Saturated poroelastic actuators generated by topology optimization

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    Abstract

    In this paper the fluid-structure interaction problem of a saturated porous media is considered. The pressure coupling properties of porous saturated materials change with the microstructure and this is utilized in the design of an actuator using a topology optimized porous material. By maximizing the coupling of internal fluid pressure and elastic shear stresses a slab of the optimized porous material deflects/deforms when a pressure is imposed and an actuator is created. Several phenomenologically based constraints are imposed in order to get a stable force transmitting actuator.
    Original languageEnglish
    JournalStructural and Multidisciplinary Optimization
    Volume43
    Issue number5
    Pages (from-to)693-706
    ISSN1615-147X
    DOIs
    Publication statusPublished - 2011

    Keywords

    • Topology optimization
    • Multi-scale modeling
    • Homogrnization
    • Coupled problems
    • FSI

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