Volume 24 Issue 6
Jun.  1998
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Zhang Zhengke, Zhu Ziqiang, Zhuang Fengganet al. Grid Generation Technique of Complex Configurations and its Applications[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(6): 642-645. (in Chinese)
Citation: Zhang Zhengke, Zhu Ziqiang, Zhuang Fengganet al. Grid Generation Technique of Complex Configurations and its Applications[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(6): 642-645. (in Chinese)

Grid Generation Technique of Complex Configurations and its Applications

  • Received Date: 18 May 1998
  • Publish Date: 30 Jun 1998
  • A multiblock structured grid generation system for complex practical aircraft is presented and applied in the grid generation of a twin-tail fighter. A vectorized polynomial of degree 3 is used to generate grid on the interface of adjacent blocks. The volume grid in each block is generated by solving elliptic partial differential equations with source terms corrected by 3-d Hilgenstock method to control the grid line angle (orthogonality) to boundaries and first-layer grid point spacings off boundaries to expected values. Euler equations are solved in the generated grid of the twin-tail fighter and the computed results of the aerodynamic coefficients of the complete aircraft, the wing surface pressure and the vortical flow field are reasonable.

     

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