Discontinuous Finite Element Method for Supersonic Flow of a Missile Propulsive Jet

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2008, Vol. 25 ›› Issue (6): 705-710.

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Discontinuous Finite Element Method for Supersonic Flow of a Missile Propulsive Jet

CHEN Eryun, MA Dawei, LE Guigao, LI Zhigang, ZHAO Jiyong

School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Received:2007-06-05 Revised:2007-11-14 Online:2008-11-25 Published:2008-11-25

Abstract

Abstract: Supersonic inviscid flows in missile propulsive jet are simulated numerically with discontinuous finite element method based on twodimensional conservation laws, which is developed to solve axlsymmetric Euler equations. Computational results show good agreement with experimental data. The method shows higher resolution at discontinuous points compared with TVD schemes. It exhibits high capability in capturing shocks without numerical oscillation and artificial viscosity near discontinuous points.

Key words: discontinuous finite element method, supersonic flow, numerical simulation

CLC Number:

V211.3

CHEN Eryun, MA Dawei, LE Guigao, LI Zhigang, ZHAO Jiyong. Discontinuous Finite Element Method for Supersonic Flow of a Missile Propulsive Jet[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2008, 25(6): 705-710.

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Discontinuous Finite Element Method for Supersonic Flow of a Missile Propulsive Jet

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