Two-dimensional anisotropic grid cell measurement tensor field smoothing method
An anisotropic and metric tensor technology, which is applied in the field of two-dimensional anisotropic grid unit metric tensor field smoothing, can solve the problems of insufficient quality and achieve simple local modification, small number of cells, and optimal The effect of input
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[0037] The present invention will be further described below in conjunction with accompanying drawing.
[0038] The present invention two-dimensional anisotropic grid unit measure tensor field smoothing method, specifically as follows:
[0039] 1. Generate a geometric model covering the aircraft wing shape (such as figure 1 shown) a triangular background mesh for the region, such as Figure 4 As shown, the triangular background grid contains grid points and grid units, and the initial anisotropic grid metric tensor field of the aircraft wing shape is set at grid point B q The anisotropic grid metric tensor on M is q , q=1,2,...,n, n is the total number of grid points, the anisotropic grid metric tensor M q is a second-order tensor whose main direction and radius along the main direction define the main direction of the anisotropic mesh and the dimension value along the main direction. Such as figure 2 Shown is the initial anisotropic mesh metric tensor field defined in a s...
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