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Instability of a pre-stressed solid-fluid mixture

Abstract : A solid-fluid mixture is generally modelled assuming that the state of stress in the reference configuration is identically equal to zero. However, such an assumption is not always appropriate to take into account some instability phenomena occuring in Nature. In this contribution, the continuum mechanics point of view is used and the reference configuration of the solid-fluid mixture has a state of stress, i.e. the press-stress is different from zero. The instability of the mixture with respect to the perturbation fields given by a general plane wave is then studied.
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Contributor : Francesco Dell'Isola <>
Submitted on : Friday, July 16, 2010 - 10:25:35 AM
Last modification on : Thursday, June 18, 2020 - 12:46:02 PM
Long-term archiving on: : Friday, October 22, 2010 - 12:15:46 PM


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  • HAL Id : hal-00502927, version 1


Francesco Dell'Isola, Nicoletta Ianiro, Luca Placidi. Instability of a pre-stressed solid-fluid mixture. 'WASCOM 2005' 13th Conference on Waves and Stability in Continuous Media, 2006, pp.6. ⟨hal-00502927⟩



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