AN EFFICIENT IMPLEMENTATION OF IMPLICIT OPERATOR FOR BLOCK LU-SGS METHOD

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An efficient implementation technique of a block matrix implicit operator based on van Leer’s FVS scheme is proposed for the LU-SGS method on unstructured meshes. The off-diagonal terms of the linear system of equations were approximated by the increment of the numerical flux using the point-by-point splitting feature of FVS schemes. The present improved LU-SGS method provides better performance in terms of CPU time and requires substantially less storage than the corresponding baseline method. The convergence rate of the present improved method is faster than the improved method based on the Jameson and Turkel implicit operator.
Publisher
Taylor & Francis Ltd
Issue Date
2005-07
Language
English
Citation

COMPUTATIONAL FLUID DYNAMICS JOURNAL, v.14, no.2, pp.154 - 159

ISSN
1061-8562
URI
http://hdl.handle.net/10203/10408
Appears in Collection
AE-Journal Papers(저널논문)
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