Simulation of multi-body separation of aerospace vehicles based on unstructured overset grids technology
- Paper number
IAC-12,C2,7,19.p1,x13888
- Author
Mr. Zhou Liu, China Academy of Aerospace Aerodynamics(CAAA), China
- Coauthor
Prof. Yunjun Yang, China Academy of Aerospace Aerodynamics(CAAA), China
- Coauthor
Prof. Weijiang Zhou, China Academy of Aerospace Aerodynamics(CAAA), China
- Year
2012
- Abstract
The multi-body separation of aerospace vehicles was simulated using unstructured overset grids technology. The unstructured grids for different vehicles were generated individually. The exchange of information of different vehicle’s grids was achieved by unstructured overset grids technology. An ADT based data structure was used for robust and quick hole cutting of unstructured grids and get the fringe cells immediately. The grid’s donor cells stencils which used for interpolation of fringe cells were obtained by “neighbor to neighbor” searching method in the other grids. The interpolation between different grid’s information is 2nd order by the least square method. Navier-Stokes equations were solved for flowfield and the 6DOF motion equations were solved for rigid body movements. The numerical simulation results agree well with experiments. The whole computation procedure is accurate and robust.
- Abstract document
- Manuscript document
IAC-12,C2,7,19.p1,x13888.pdf (🔒 authorized access only).
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