XIAO Yao, LI Yong, LI Dong-sheng, et al. Influence analysis of curing stress and stress relaxation on profile accuracy of carbon fiber reinforced composites tools[J]. Journal of Beijing University of Aeronautics and Astronautics. doi: 10.13700/j.bh.1001-5965.2023-0109(in Chinese)
Citation: Wang Kan, Cao Yihua, Yu Ziwen, et al. Numerical simulation of parachute fluid-solid coupling problem and flow analysis[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1029-1032. (in Chinese)

Numerical simulation of parachute fluid-solid coupling problem and flow analysis

  • Received Date: 11 Sep 2006
  • Publish Date: 30 Sep 2007
  • A new numerical simulation method for predicting parachute fluid-solid coupling problem using semi-implicit method for pressure-linked equations (SIMPLE) algorithm is proposed. The both coupling computation and flow field analysis during terminal descent stage are proved efficient through sample analyses using this new simulation method. The simulations of a flat circle parachute and a cone-shaped parachute suggest a fine efficiency and good stability of the new method. The test problems for the new method are about the terminal descent stage, since the ordinary numerical simulation method(the parallel finite element method) is general used in this field. Comparing with the result gained by the parallel finite element method. The results of the new method are also proved accurate and reasonable. Flow field characteristics at various angles of attack are further simulated for the cone-shaped parachute model. The new method is an alternative and a complement to the ordinary numerical simulation method.

     

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