BORDÈRE, Sylvie; CALTAGIRONE, J.-P

doi:10.1016/j.compstruc.2015.10.009

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BORDÈRE, Sylvie
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

CALTAGIRONE, J.-P

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Computers & Structures. 2016, vol. 164, p. 38-52

Elsevier

Résumé en anglais

A novel non-conservative formulation for equations governing thermo-mechanical phenomena is developed to address multi-material and multi-physics issues. The first key point is that this formulation achieves a unifying equation for compressible viscous fluid flow and elastic solid deformation. The second is that the thermo-mechanical equations are both written with velocity and thermal flux variables to solve them simultaneously. With that formulation, interaction conditions at the fluid-structure interface become implicit and state equation is no longer necessary. Multi-time scale problems are solved, from the time scale of acoustic and thermoacoustic wave propagation, to longer time scale of fluid flow and thermal diffusion.< Réduire

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multi-time scale

fluid-solid interaction

acoustic wave propagation

heat transport

monolithic approach

multi-physics

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A multi-physics and multi-time scale approach for modeling fuid-solid interaction and heat transfer

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