A hybrid method for unsteady inviscid fluid flow

Jan Nordström; Frank Ham; Mohammad Shoeybi; Edwin van der Weide; Magnus Svärd; Ken Mattsson; Gianluca Iaccarino; Jing Gong

doi:10.1016/j.compfluid.2008.09.010

A hybrid method for unsteady inviscid fluid flow

Jan Nordström, Frank Ham, Mohammad Shoeybi, Edwin van der Weide, Magnus Svärd, Ken Mattsson, Gianluca Iaccarino, Jing Gong

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

20 Citations (Scopus)

Abstract

We show how a stable and accurate hybrid procedure for fluid flow can be constructed. Two separate solvers, one using high order finite difference methods and another using the node-centered unstructured finite volume method are coupled in a truly stable way. The two flow solvers run independently and receive and send information from each other by using a third coupling code. Exact solutions to the Euler equations are used to verify the accuracy and stability of the new computational procedure. We also demonstrate the capability of the new procedure in a calculation of the flow in and around a model of a coral.

Original language	English
Pages (from-to)	875-882
Number of pages	8
Journal	Computers and Fluids
Volume	38
Issue number	4
DOIs	https://doi.org/10.1016/j.compfluid.2008.09.010
Publication status	Published - Apr 2009
Externally published	Yes

ASJC Scopus subject areas

General Computer Science
General Engineering

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10.1016/j.compfluid.2008.09.010

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AU - Nordström, Jan

AU - Ham, Frank

AU - Shoeybi, Mohammad

AU - van der Weide, Edwin

AU - Svärd, Magnus

AU - Mattsson, Ken

AU - Iaccarino, Gianluca

AU - Gong, Jing

PY - 2009/4

Y1 - 2009/4

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AB - We show how a stable and accurate hybrid procedure for fluid flow can be constructed. Two separate solvers, one using high order finite difference methods and another using the node-centered unstructured finite volume method are coupled in a truly stable way. The two flow solvers run independently and receive and send information from each other by using a third coupling code. Exact solutions to the Euler equations are used to verify the accuracy and stability of the new computational procedure. We also demonstrate the capability of the new procedure in a calculation of the flow in and around a model of a coral.

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A hybrid method for unsteady inviscid fluid flow

Abstract

ASJC Scopus subject areas

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