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Structural Engineering and Mechanics Volume 12, Number 1, July 2001 , pages 101-118 DOI: https://doi.org/10.12989/sem.2001.12.1.101 |
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Hydroelastic vibration analysis of wetted thin-walled structures by coupled FE-BE-procedure |
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Udo Rohr and Peter Moller(Germany)
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| Abstract | ||
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The reliable prediction of elastic vibrations of wetted complex structures, as ships, tanks, offshore structures, propulsion components etc. represent a theoretical and numerical demanding task due to fluid-structure interaction. The paper presented is addressed to the vibration analysis by a combined FE-BE-procedure based on the added mass concept utilizing a direct boundary integral formulation of the potential fluid problem in interior and exterior domains. The discretization is realized by boundary element collocation method using conventional as well as infinite boundary element formulation with analytical integration scheme. Particular attention is devoted to modelling of interior problems with both several separate or communicating fluid domains as well as thin-walled structures wetted on both sides. To deal with this specific kind of interaction problems so-called | ||
| Key Words | ||
| fluid structure interaction; vibration analysis; coupled finite and boundary element method; | ||
| Address | ||
| Udo Rohr and Peter Moller, Department of Mechanical Engineering, University of Rostock, Albert-Einstein-Str. 2, 18059 Rostock, Germany | ||