Application of local grid refinement to vortex motion due to a solitary wave passing over a submerged body

Chii Jau Tang, Jyh Hwa Chang

研究成果: Article同行評審

11 引文 斯高帕斯(Scopus)

摘要

A numerical method based on the streamfunction-vorticity formulation is applied to simulate the two-dimensional, transient, viscous flow with a free surface. This method succesfully uses the locally refined grid in an inviscid-viscous model to explore the processes of vortex formation due to a solitary wave passing over a submerged bluff body. The two particular bodies considered here are a blunt rectangular block and a semicircular cylinder. Flow visualization to track dyelines is carried out in the laboratory in order to confirm the validity of the numerical results. Numerical results examined by different grid configurations ensure the locally refined grid to be useful in practical application. Flow phenomena, including the vortex motion and wave patterns during non-linear wave-structure interaction, are also discussed.

原文English
頁(從 - 到)609-624
頁數16
期刊International Journal for Numerical Methods in Fluids
38
發行號7
DOIs
出版狀態Published - 2002 3月 10

All Science Journal Classification (ASJC) codes

  • 計算力學
  • 材料力學
  • 機械工業
  • 電腦科學應用
  • 應用數學

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