Coupled Boundary and Finite Element Methods for the Solution of the Dynamic Fluid-Structure Interaction Problem

Language: English

Published by Springer Jul 1992, 1992

3540555625 / 9783540555629

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Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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This item is printed on demand - it takes 3-4 days longer - Neuware -This text considers the problem of the dynamic fluid-structure interaction between a finite elastic structure and the acoustic field in an unbounded fluid-filled exterior domain. The exterior acoustic field is modelled through a boundary integral equation over the structure surface. However, the classical boundary integral equation formulations of this problem either have no solutions or do not have unique solutions at certain characteristic frequencies (which depend on the surface geometry) and it is necessary to employ modified boundary integral equation formulations which are valid for all frequencies. The particular approach adopted here involves an arbitrary coupling parameter and the effect that this parameter has on the stability and accuracy of the numerical method used to solve the integral equation is examined. The boundary integral analysis of the exterior acoustic problem is coupled with a finite element analysis of the elastic structure in order to investigate the interaction between the dynamic behaviour of the structure and the associated acoustic field. Recently there has been some controversy over whether or not the coupled problem also suffers from the non-uniqueness problems associated with the classical integral equation formulations of the exterior acoustic problem. This question is resolved by demonstrating that .the solution to the coupled problem is not unique at the characteristic frequencies and that it is necessary to employ an integral equation formulation valid for all frequencies. 120 pp. Englisch.…

Seller Inventory # 9783540555629

Title
Coupled Boundary and Finite Element Methods for the Solution of the Dynamic Fluid-Structure Interaction Problem
Author
David T. Wilton
Publisher
Springer Jul 1992
Publication year
1992
Condition
Neu
Binding
Taschenbuch
Language
English
ISBN 10
3540555625
ISBN 13
9783540555629
Item weight
222 grams
Dimensions
244x170x7 mm

BuchWeltWeit Ludwig Meier e.K.

Bergisch Gladbach, Germany

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