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IMPROVEMENT FOR GENERATION OF UNSTRUCTURED GRID BOWYER WATSON METHOD

Zeng Yangbing, Sheng Mengyu, Wang Baoguo, Liu Qiusheng

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 1997, 14 (2): 179-184.

Abstract （209）

PDF （283KB）（1070）

A method based on Bowyer Watson algorithm is used for generation of unstructured grid. The density of grid is controlled by solving Poission Equations. The Strategy of grid improves the quality of body fitting. The viscous grid is accomplished by combining the O-type in viscous zone and normal grid in other zones.

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NON-OSCILATION SHOCK-CAPTURING METHOD WITH HIGH ORDER OF ACCURACY

Li Haidong, Ren Yuxin, Liu Qiusheng, Shen Mengyu

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 1996, 13 (3): 276-282.

Abstract （259）

PDF （239KB）（1020）

A derivate's formula is presented based on the analytical discrete method and can achieve arbitrary order of accuracy firstly.It is combinated with Roe's flux differential splitting technique and high accuracy flux filter midmod,to construct a kind of nonoscillatory shock-capturing method with high order of accuracy and high resolution.

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GENERALIZED FINITE ELEMENT METHOD FOR TWO DIMENSIONAL TRANSONICFLOW IN TURBOMACHINEARY

Zhu Gang, Shen Mengyu, Liu Qiusheng, Wang Baoguo

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 1996, 13 (1): 119-123.

Abstract （261）

PDF （433KB）（936）

One kind of Generalized Finite Element Method-Taylor-Galerkin has been improved on convergences of velocity and stability.Using the improved method two dimensional transonic flow in turbomachinery is studied.Numerical results compared with that of experiment exhibit the advantages of this method.

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