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Nonlinear dynamical analysis for coupled fluid-structure systems

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 : The present research concerns the numerical dynamical analysis in elasto-acoustics, taking into account the geometrical non-linearities induced by the large displacements/deformations of the structure and assuming the internal acoustic fluid occupying an internal cavity coupled to the structure to remain in a linear range of vibration. More particularly, the modeling includes sloshing and capillarity effects on the free surface. A numerical application is presented.
Keywords : Fluid-structure interaction Sloshing Capillarity Reduced-order model Geometric nonlinearities
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https://hal-upec-upem.archives-ouvertes.fr/hal-02100277
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Submitted on : Monday, April 15, 2019 - 4:52:13 PM
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Quentin Akkaoui, Evangéline Capiez-Lernout, Christian Soize, Roger Ohayon. Nonlinear dynamical analysis for coupled fluid-structure systems. IMAC XXXVII, A Conference and Exposition on Structural Dynamics 2019, Jan 2019, Orlando, United States. pp.151-153, ⟨10.1007/978-3-030-12391-8_20⟩. ⟨hal-02100277⟩

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