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Numerical and experimental investigation of damping in a dam-break problem with fluid-structure interaction
Date
2019-04-01
Author
Demir, Abdullah
Dincer, Ali Ersin
Bozkuş, Zafer
Tijsseling, Arris S.
Metadata
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There have been few experimental and numerical studies on damping effects in fluid-structure interaction (FSI) problems. Therefore, a comprehensive experimental study was conducted to investigate such effects. In experiments, a water column in a container was released and hit a rubber plate. It continued its motion until hitting a downstream wall where pressure transducers had been placed. The experiments were repeated using rubber plates with different thickness and material properties. Free-surface profiles, displacements of the rubber plates, and pressures were recorded. In addition, a numerical model was developed to simulate the violent interaction between the fluid and the elastic structure. Smoothed particle hydrodynamics (SPH) and finite element method (FEM) were used to model the fluid and the structure. Contact mechanics was used to model the coupling mechanism. The obtained numerical results were in agreement with the experimental data. We found that damping is a less important parameter in the FSI problem considered.
Subject Keywords
General Engineering
URI
https://hdl.handle.net/11511/36606
Journal
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
DOI
https://doi.org/10.1631/jzus.a1800520
Collections
Department of Civil Engineering, Article
Citation Formats
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BibTeX
A. Demir, A. E. Dincer, Z. Bozkuş, and A. S. Tijsseling, “Numerical and experimental investigation of damping in a dam-break problem with fluid-structure interaction,”
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
, vol. 20, pp. 258–271, 2019, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/36606.