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Analytical and computational approaches for some fluid–structure interaction analyses

✍ Scribed by Xiaodong Wang

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
968 KB
Volume
72
Category
Article
ISSN
0045-7949

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✦ Synopsis

In this paper, we present an analytical model to study the interaction between a slender structure and the surrounding incompressible viscous ¯ows. The governing equations for the suspended structure are derived under small deformation assumptions and with the consideration of ¯uid pressures and frictional forces. We obtain the discretized equations using the standard linearization procedure and spatial ®nite dierence schemes. It is shown that for both laminar and turbulent ¯ow conditions, the results derived from analytical approaches match the solutions of the ADINA ¯uid-structure analysis. Of course when geometries of ¯uid domains are complex, it is necessary to use a general purpose computational software. We also point out that for speci®c problems, such as the dynamic stability analysis of the structure surrounded by pulsatile ¯ows, there is still a need for analytical approaches.

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