Prediction and control method for separation process of hypersonic aircraft under action of two-phase flow field
A hypersonic, separation process technology, applied in the direction of electric controllers, controllers with specific characteristics, etc.
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[0036] The present invention will be described in detail below in conjunction with the accompanying drawings and examples.
[0037] 1. Grid establishment
[0038] According to the geometric information of the aircraft and the separated body, the partitioned overlapping grid required for the separated aerodynamic CFD calculation is established.
[0039] The partitioned overlapping grid method is a discretization method for structural space. It divides the complex flow area into sub-areas with relatively simple geometric boundaries. The calculation grids in each sub-area are independently generated, and there is an overlapping or nesting relationship with each other. The flow field information is matched and coupled at the boundary of the overlapping area through interpolation. The overlapping grid method can easily deal with various complex flow field structures, and is especially suitable for flow field calculations with complex shapes and relative motion of objects. After ea...
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