Numerical and experimental investigation of damping in a dam-break problem with fluid-structure interaction

Abdullah Demir (Corresponding author), Ali Ersin Dincer, Zafer Bozkus, Arris S. Tijsseling

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)258-271
Number of pages14
JournalJournal of Zhejiang University. Science A, Applied Physics & Engineering
Volume20
Issue number4
DOIs
Publication statusPublished - 1 Apr 2019

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Fluid structure interaction
Dams
Rubber
Damping
Fluids
Pressure transducers
Contacts (fluid mechanics)
Containers
Numerical models
Materials properties
Mechanics
Hydrodynamics
Experiments
Finite element method
Water

Cite this

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abstract = "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.",
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Numerical and experimental investigation of damping in a dam-break problem with fluid-structure interaction. / Demir, Abdullah (Corresponding author); Dincer, Ali Ersin; Bozkus, Zafer; Tijsseling, Arris S.

In: Journal of Zhejiang University. Science A, Applied Physics & Engineering, Vol. 20, No. 4, 01.04.2019, p. 258-271.

Research output: Contribution to journalArticleAcademicpeer-review

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