Nonlinear dynamical analysis of a fluid-structure computational model with sloshing and capillarity

Quentin Akkaoui 1 Evangéline Capiez-Lernout 1 Christian Soize 1 Roger Ohayon 2
1 MSME - Laboratoire de Modélisation et Simulation Multi Echelle
2 LMSSC - Laboratoire de Mécanique des Structures et des Systèmes Couplés
Abstract : This paper deals with a computational methodology for analyzing a fluid-structure system taking into account sloshing and capillarity phenomena. The fluid is assumed to be linear acoustic and the structure is assumed to undergo large displacements/deformations, which induce geometrical nonlinearities in the fluid-structure system. An adapted nonlinear reduced-order model is constructed using a modal characterization of each part of the coupled system. A numerical application is considered in order to study the effects of the geometrical nonlinearities on the dynamical forced response of the structural acoustic system.
Keywords : Nonlinear dynamics Fluid-structure interaction Sloshing Capillarity
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Conference papers
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Submitted on : Tuesday, September 18, 2018 - 6:30:35 PM
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Quentin Akkaoui, Evangéline Capiez-Lernout, Christian Soize, Roger Ohayon. Nonlinear dynamical analysis of a fluid-structure computational model with sloshing and capillarity. Conference on Noise and Vibration Engineering (ISMA 2018), Sep 2018, Leuven, Belgium. pp.1-12. ⟨hal-01876786⟩

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