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Communication Dans Un Congrès Année : 2001

A fictitious domain method for unilateral contact problems in non-destructive testing

Résumé

In this work, we present a numerical method for solving the diffraction of transient elastic waves by cracks of arbitrary shapes in complex media, with Signorini's boundary conditions on the crack. We use a fictitious domain method based on a mixed displacement-stress formulation for elastodynamics. We propose an off-centered time discretisation scheme for enforcing the stability.
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hal-01529185 , version 1 (30-05-2017)

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  • HAL Id : hal-01529185 , version 1

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Eliane Bécache, Patrick Joly, Gilles Scarella. A fictitious domain method for unilateral contact problems in non-destructive testing. First MIT Conference on Computational Fluid and Solid Mechanics, Jun 2001, Cambridge, MA, United States. ⟨hal-01529185⟩
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