Journal
COMPUTERS & STRUCTURES
Volume 85, Issue 11-14, Pages 879-890Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2007.01.002
Keywords
fluid-structure interaction; smoothed particle hydrodynamics; interface conditions
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A Lagrangian model for the numerical simulation of fluid-structure interaction problems is proposed in the -present paper. In the method both fluid and solid phases are described by smoothing particle hydrodynamics: fluid dynamics is studied in the inviscid approximation, while solid dynamics is simulated through an incremental hypoelastic relation. The interface condition between fluid and solid is enforced by a suitable term, obtained by an approximate SPH evaluation of a surface integral of fluid pressure. The method is validated by comparing numerical results with laboratory experiments where an elastic plate is deformed under the effect of a rapidly varying fluid flow. (C) 2007 Elsevier Ltd. All rights reserved.
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