Analysis of the accuracy and pressure oscillation of the lattice Boltzmann method for fluid-solid interactions
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- 作者：Xuhui Lia ; Fei Jiangb ; Changhong Huc ; hu@riam.kyushu-u.ac.jp" class="auth_mail" title="E-mail the corresponding author
- 关键词：Ghost fluid immersed boundary method ; Bounce-back scheme ; Refilling technique ; Collision model ; Force evaluation scheme
- 刊名：Computers and Fluids
- 出版年：2016
- 出版时间：28 April 2016
- 年：2016
- 卷：129
- 期：Complete
- 页码：33-52
- 全文大小：6523 K
文摘
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Several interpolation/extrapolation methods are used to treat moving boundary.
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A quadratic ghost fluid lattice Boltzmann method is proposed.
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The intrinsic reasons of pressure oscillation phenomena are revealed.
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A new refilling technique is proposed for suppressing pressure oscillation.