Velocity came out one sixth at τ=0.6 — dropping the half-force F/2 from Guo forcing
·5 min read
Keep the Guo source term but drop F/2 from the LBM velocity and the effective body force shrinks by (1−1/2τ). On Kolmogorov flow at τ=0.6 the amplitude is 0.166 of exact.
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