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  4. Compact high order finite volume method on unstructured grids IV: Explicit multi-step reconstruction schemes on compact stencil
 
research article

Compact high order finite volume method on unstructured grids IV: Explicit multi-step reconstruction schemes on compact stencil

Zhang, Yu-Si
•
Ren, Yu-Xin
•
Wang, Qian  
November 1, 2019
Journal of Computational Physics

In the present paper, a multi-step reconstruction procedure is proposed for high order finite volume schemes on unstructured grids using compact stencil. The procedure is a recursive algorithm that can eventually provide sufficient relations for high order reconstruction in a multi-step procedure. Two key elements of this procedure are the partial inversion technique and the continuation technique. The partial inversion can be used not only to obtain lower order reconstruction based on existing reconstruction relations, but also to regularize the existing reconstruction relations to provide new relations for higher order reconstructions. The continuation technique is to extend the regularized relations on the face-neighboring cells to current cell as additional reconstruction relations. This multi-step procedure is operationally compact since in each step only the relations defined on a compact stencil are used. In the present paper, the third and fourth order finite volume schemes based on two-step quadratic and three-step cubic reconstructions are studied. (C) 2019 Elsevier Inc. All rights reserved.

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Type
research article
DOI
10.1016/j.jcp.2019.06.054
Web of Science ID

WOS:000481732600009

Author(s)
Zhang, Yu-Si
Ren, Yu-Xin
Wang, Qian  
Date Issued

2019-11-01

Published in
Journal of Computational Physics
Volume

396

Start page

161

End page

192

Subjects

Computer Science, Interdisciplinary Applications

•

Physics, Mathematical

•

Computer Science

•

Physics

•

high order schemes

•

finite volume methods

•

unstructured grids

•

multi-step reconstruction

•

essentially nonoscillatory schemes

•

discontinuous galerkin method

•

spectral difference method

•

hybrid dg/fv methods

•

conservation-laws

•

efficient implementation

•

element-method

•

multidimensional limiters

•

incompressible flows

•

numerical-simulation

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
MCSS  
Available on Infoscience
September 5, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/160841
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