A conservative interface method for compressible flows

X. Y. Hu; B. C. Khoo; N. A. Adams; F. L. Huang

doi:10.1016/j.jcp.2006.04.001

A conservative interface method for compressible flows

X. Y. Hu^*, B. C. Khoo, N. A. Adams, F. L. Huang

^*Corresponding author for this work

School of Mechatronical Engineering

Research output: Contribution to journal › Article › peer-review

206 Citations (Scopus)

Abstract

In this work, we present a conservative interface method for both multi-fluid and complex boundary problems, in which the standard finite volume scheme on Cartesian grids is modified by considering computational cells being cut by interface. While the discretized governing equations are updated conservatively, the method treats the topological changes naturally by combining interface description and geometric operations with a level set technique. Extensive tests in 1D are carried out, and 2D examples suggest that the present scheme is able to handle multi-fluid and complex (static or moving) boundary problems in a straightforward way with good robustness and accuracy.

Original language	English
Pages (from-to)	553-578
Number of pages	26
Journal	Journal of Computational Physics
Volume	219
Issue number	2
DOIs	https://doi.org/10.1016/j.jcp.2006.04.001
Publication status	Published - 10 Dec 2006

Keywords

Complex boundary
Compressible flow
Level set function
Multi-fluid problem

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10.1016/j.jcp.2006.04.001

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N2 - In this work, we present a conservative interface method for both multi-fluid and complex boundary problems, in which the standard finite volume scheme on Cartesian grids is modified by considering computational cells being cut by interface. While the discretized governing equations are updated conservatively, the method treats the topological changes naturally by combining interface description and geometric operations with a level set technique. Extensive tests in 1D are carried out, and 2D examples suggest that the present scheme is able to handle multi-fluid and complex (static or moving) boundary problems in a straightforward way with good robustness and accuracy.

AB - In this work, we present a conservative interface method for both multi-fluid and complex boundary problems, in which the standard finite volume scheme on Cartesian grids is modified by considering computational cells being cut by interface. While the discretized governing equations are updated conservatively, the method treats the topological changes naturally by combining interface description and geometric operations with a level set technique. Extensive tests in 1D are carried out, and 2D examples suggest that the present scheme is able to handle multi-fluid and complex (static or moving) boundary problems in a straightforward way with good robustness and accuracy.

KW - Complex boundary

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KW - Level set function

KW - Multi-fluid problem

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JO - Journal of Computational Physics

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IS - 2

ER -

A conservative interface method for compressible flows

Abstract

Keywords

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