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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (5): 601-603.

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A NUMERICAL SIMULATION OF NORMAL SHOCK WAVE DIFFRACTION OVER AN OBSTACLE

Cai Hanlong, Li Suxun

Beijing Institute of Aerodynamics,Beijing,100074

Received:1992-11-14 Revised:1993-05-31 Online:1994-05-25 Published:1994-05-25

Abstract

Abstract: high resolution TVD scheme is used to simulate the complex shock reflection phe-nomenon,The computation results of normal shock impinging on a wedge is compared with experi-mental results that include interferogram,isopycnics,pressure distribution,etc,and good agree-ment is shown,Agroup of simulation results of unsteady flow field of moving normal shock wave diffraction over a wavy wall are obtained, The density contours are shown clearly in the process of the flow field developed.

Key words: shock waves, unsteady flow, high resolution

CLC Number:

Cai Hanlong;Li Suxun. A NUMERICAL SIMULATION OF NORMAL SHOCK WAVE DIFFRACTION OVER AN OBSTACLE[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1994, 15(5): 601-603.

E-mail：hkxb@buaa.edu.cn

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A NUMERICAL SIMULATION OF NORMAL SHOCK WAVE DIFFRACTION OVER AN OBSTACLE

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