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Question: Advection in LBM_Taichi and Diffusion in D2Q9 #5

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wyq977 opened this issue Nov 11, 2020 · 0 comments

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wyq977 commented Nov 11, 2020

想问一下advection在LBM是怎么实现的，有点看不懂，是这两行嘛

LBM_Taichi/lbm_solver.py

Line 77 in b2d758a

ip = i - self.e[k, 0]

LBM_Taichi/lbm_solver.py

Line 77 in b2d758a

ip = i - self.e[k, 0]

想问下为什么我试着diffusion 结果不是很理想，感觉边界的rho(density) 很奇怪

代码：https://github.com/wyq977/LBM_Taichi/tree/test-diffusion

中间圆圈

中间正方形

谢谢🙏

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