In order to reduce the number of mesh points and to be compatible with the anisotropic nature of viscous flows, an anisotropic Cartesian grid method is proposed.

为了与流场的各向异性相适应、减少网格点数量，提出了一种各向异性网格加密法。

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Second, to match the decay nature of turbulence PSFs, an anisotropic and nonlinear regularization function is suggested to adequately regulate the PSF values in the process of rebuilding PSF.

再针对湍流点扩展函数的衰减性质，建立了一个具有非线性和空间各向异性的正则化函数，使其在重建点扩展函数时能适当地进行空间梯度平滑。

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