A NUMERICAL STUDY FOR N-S EQUATION IN ARBITRARY CURVILINEAR COORDINATES WITH NONSTAGGERED GRIDS

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 1998, Vol. 15 ›› Issue (1): 95-100.

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A NUMERICAL STUDY FOR N-S EQUATION IN ARBITRARY CURVILINEAR COORDINATES WITH NONSTAGGERED GRIDS

Zhu Songlin¹, Wang Xianfu², Lu Ruisong²

Wuhan Transportation University, Wuhan 430063

Received:1997-01-24 Online:1998-01-25 Published:1998-01-25

Abstract

Abstract: This paper presents numerical solution for governing equation of flows in curvilinear coordinate system with nonstaggered grids.In order to cure the zig zag variation of pressure,the cell-face velocity interpolation method is developed for solving the pressure-velocity-coupling problem,SIMPLER algorithm is used.With the overall methods present here,the flow in a 90° square duct is calculated.The results agree well with the experiment data.

Key words: N-S equation, curvilinear coordinate, nonstaggered grids, duct

CLC Number:

O351.3
O241

Zhu Songlin, Wang Xianfu, Lu Ruisong. A NUMERICAL STUDY FOR N-S EQUATION IN ARBITRARY CURVILINEAR COORDINATES WITH NONSTAGGERED GRIDS[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 1998, 15(1): 95-100.

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A NUMERICAL STUDY FOR N-S EQUATION IN ARBITRARY CURVILINEAR COORDINATES WITH NONSTAGGERED GRIDS

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