Topology optimization of fluid-structure-interaction problems in poroelasticity

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Abstract

This paper presents a method for applying topology optimization to fluid-structure interaction problems in saturated poroelastic media. The method relies on a multiple-scale method applied to periodic media. The resulting model couples the Stokes flow in the pores of the structure with the deformation of the elastic skeleton through a macroscopic Darcy-type flow law. The method allows to impose pressure loads for static problems through a one way coupling, while transient problems are fully coupled modeling the interaction between fluid and solid. The material distribution is determined by topology optimization in order to optimize the performance of a shock absorber and test the pressure loading capabilities and optimization of an internally pressurized lid. © 2013 Published by Elsevier B.V.
Original languageEnglish
JournalComputer Methods in Applied Mechanics and Engineering
Volume258
Pages (from-to)55-62
ISSN0045-7825
DOIs
Publication statusPublished - 2013

Keywords

  • Optimization
  • Shape optimization
  • Loading
  • Topology optimization
  • Finite elements
  • Poroelasticity
  • Coupled problem

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