Journal
COMPUTERS & STRUCTURES
Volume 85, Issue 11-14, Pages 970-976Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2006.11.006
Keywords
fluid-structure interaction; partitioned solver; reduced order model; strong coupling; implicit coupling; gas bubble dynamics
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In this paper a newly developed technique for strongly coupled fluid-structure interaction problems is presented. In order to achieve strong coupling the Jacobian of the fluid and/or structural problem is needed or has to be approximated. A technique is presented which uses the Jacobian from reduced order models that are built up during the coupling iterations. As validation, pressure wave propagation in a blood vessel is computed and as a second example growth and detachment of a gas bubble from a vertical needle submerged in a liquid is simulated. Both examples illustrate the algorithmic performance and show accurate results. (c) 2006 Elsevier Ltd. All rights reserved.
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