跨音速叶栅粘流计算的多级广义有限元法

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1996, Vol. 17 ›› Issue (2): 144-148.

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MULTISTAGE GENERALIZED FINITE ELEMENT METHOD FOR TWO DIMENSIONAL VISCOUS TRANSONIC FLOW IN TURBOMACHINERY

Zhu Gang, Shen Mengyu, Liu Qiusheng, Wang Baoguo

Department of Engineering Mechanics, Tsinghua University, Beijing,100084

Received:1994-06-28 Revised:1994-12-05 Online:1996-04-25 Published:1996-04-25

Abstract

Abstract: A multistage finite element method and a kind of generalized finite element method Taylor Galerkin method are combined properly to form a new kind of method, called multistage generalized finite element method, which has been improved in artificial viscosity. This method has better properties in convergence speed and stability. Using the improved method a two dimensional viscous transonic flow in turbomachinery is studied. The results are compared with those of experiment, which shows the advantages of this method.

Key words: transonic flow, cascade flow, viscous flow, finite element method

CLC Number:

Zhu Gang;Shen Mengyu;Liu Qiusheng;Wang Baoguo. MULTISTAGE GENERALIZED FINITE ELEMENT METHOD FOR TWO DIMENSIONAL VISCOUS TRANSONIC FLOW IN TURBOMACHINERY[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1996, 17(2): 144-148.

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MULTISTAGE GENERALIZED FINITE ELEMENT METHOD FOR TWO DIMENSIONAL VISCOUS TRANSONIC FLOW IN TURBOMACHINERY

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