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Numerical Simulation of Solitary Wave and Drifting Object Interacting with Breakwater Using the ALE Method
The solitary wave as well as objects drifted by run-up wave interacting with elastic breakwater was investigated using an Arbitrary Lagrangian Eulerian (ALE) method. A numerical breakwater-flume coupling model was developed in conjunction with experiments to best understand the wave impact. In the experiment, the solitary wave was generated and a physical breakwater model was used. The experimental data of the wave pressure and water-on-breakwater were then used to validate the established simulation model. Comparisons indicate good agreements between simulations and experiments. After the validation, the ALE method based simulation model was applied to practical engineering analyses. Effects of the design parameters of breakwaters on wave loads were investigated. In full-scale simulation for collision of the drifting object, two types of colliding objects were used. Effects of mass and initial position of the drifting object on collision force were discussed. It was found that the wave pressure and structural stress of rear wall increases significantly when the breakwater width decreases. In addition, the drifting object brought larger collision force compared to the solitary wave, and the mass and the initial position of drifting objects had great effects on the breakwater's dynamic response.
Numerical Simulation of Solitary Wave and Drifting Object Interacting with Breakwater Using the ALE Method
The solitary wave as well as objects drifted by run-up wave interacting with elastic breakwater was investigated using an Arbitrary Lagrangian Eulerian (ALE) method. A numerical breakwater-flume coupling model was developed in conjunction with experiments to best understand the wave impact. In the experiment, the solitary wave was generated and a physical breakwater model was used. The experimental data of the wave pressure and water-on-breakwater were then used to validate the established simulation model. Comparisons indicate good agreements between simulations and experiments. After the validation, the ALE method based simulation model was applied to practical engineering analyses. Effects of the design parameters of breakwaters on wave loads were investigated. In full-scale simulation for collision of the drifting object, two types of colliding objects were used. Effects of mass and initial position of the drifting object on collision force were discussed. It was found that the wave pressure and structural stress of rear wall increases significantly when the breakwater width decreases. In addition, the drifting object brought larger collision force compared to the solitary wave, and the mass and the initial position of drifting objects had great effects on the breakwater's dynamic response.
Numerical Simulation of Solitary Wave and Drifting Object Interacting with Breakwater Using the ALE Method
Lou, Yun-Feng (author) / Jin, Xian-Long (author)
Coastal Engineering Journal ; 56 ; 1450015-1-1450015-24
2014-09-01
Article (Journal)
Electronic Resource
English
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