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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/49999

Title: A differentially interpolated direct forcing immersed boundary method for predicting incompressible Navier–Stokes equations in time-varying complex geometries
Authors: P. H. Chiu
R. K. Lin
W. H. Sheu
Contributors: 國立臺灣海洋大學:輪機工程學系
Keywords: Dispersion-relation-preserving
Cartesian grids
Differential-based
Time-varying domains
Momentum forcing term
Immersed boundary method
Date: 2010-06
Issue Date: 2018-09-07T01:35:41Z
Publisher: Journal of Computational Physics
Abstract: Abstract: A dispersion-relation-preserving dual-compact scheme developed in Cartesian grids is applied together with the immersed boundary method to solve the flow equations in irregular and time-varying domains. The artificial momentum forcing term applied at certain points in cells containing fluid and solid allows an imposition of velocity condition to account for the motion of solid body. We develop in this study a differential-based interpolation scheme which can be easily extended to three-dimensional simulation. The results simulated from the proposed immersed boundary method agree well with other numerical and experimental results for the chosen benchmark problems. The accuracy and fidelity of the IB flow solver developed to predict flows with irregular boundaries are therefore demonstrated.
Relation: 229(12) pp.4476-4500
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/49999
Appears in Collections:[輪機工程學系] 期刊論文

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