Multi-body separating analogy method of aircraft
A simulation method and multi-body separation technology, applied in the field of multi-body separation simulation of aircraft, can solve problems such as limiting overlapping grids, and achieve the effects of fast digging, small memory footprint, and fast search.
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[0029] The implementation process of the present invention will be described in detail below in conjunction with the accompanying drawings. A kind of aircraft multi-body separation simulation method of the present invention, such as figure 1 The method steps shown are as follows:
[0030] (1) Independently generate an unstructured grid for each moving object that makes up the aircraft; the grid shape in the unstructured grid is not limited to tetrahedron, triangular prism or hexahedral grid, and can be any polyhedral grid.
[0031] (2) According to the separation state corresponding to the current moment of the aircraft, perform overlapping grid digging on all unstructured grids generated in step (1), shield the grid units that do not participate in the flow field calculation, and form the hole boundary of the overlapping grid ;
[0032] Figure 4 For applying the present invention to dig hole renderings, Figure 4 a is the mesh of the wing and the pylon, Figure 4 b is t...
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