@李东岳比如这个时间步里，PIMPLE迭代了3次，分别有三个旋转中心，如果一个时间步就取一个值，是不是迭代最后一次的旋转中心较好？
Courant Number mean: 0.00758176 max: 1.02562
Interface Courant Number mean: 8.04602e-05 max: 0.732939
Time = 8.89

PIMPLE: Iteration 1
forces forces:
    Not including porosity effects
Rigid-body motion of the hull
    Centre of rotation: (3 0 0.189302)
    Orientation: (0.999758 0 -0.0219868 0 1 0 0.0219868 0 0.999758)
    Linear velocity: (0 0 -0.0427599)
    Angular velocity: (0 -0.0134282 0)
GAMG:  Solving for pcorr, Initial residual = 1, Final residual = 0.000933377, No Iterations 20
time step continuity errors : sum local = 1.87363e-10, global = 7.57308e-13, cumulative = -3.15194e-09
smoothSolver:  Solving for alpha.water, Initial residual = 2.27988e-05, Final residual = 6.44668e-12, No Iterations 3
Phase-1 volume fraction = 0.803336  Min(alpha.water) = -3.41348e-13  Max(alpha.water) = 1
Applying the previous iteration compression flux
MULES: Correcting alpha.water
MULES: Correcting alpha.water
MULES: Correcting alpha.water
MULES: Correcting alpha.water
Phase-1 volume fraction = 0.803336  Min(alpha.water) = -9.55996e-09  Max(alpha.water) = 1
GAMG:  Solving for p_rgh, Initial residual = 0.00721682, Final residual = 4.55154e-08, No Iterations 17
time step continuity errors : sum local = 1.0765e-09, global = -2.39228e-12, cumulative = -3.15433e-09
PIMPLE: Iteration 2
forces forces:
    Not including porosity effects
Rigid-body motion of the hull
    Centre of rotation: (3 0 0.189302)
    Orientation: (0.999758 0 -0.0219868 0 1 0 0.0219868 0 0.999758)
    Linear velocity: (0 0 -0.0427459)
    Angular velocity: (0 -0.0134156 0)
GAMG:  Solving for pcorr, Initial residual = 1, Final residual = 0.000949765, No Iterations 19
time step continuity errors : sum local = 1.34488e-10, global = -1.2392e-13, cumulative = -3.15445e-09
smoothSolver:  Solving for alpha.water, Initial residual = 1.58142e-05, Final residual = 6.39378e-12, No Iterations 3
Phase-1 volume fraction = 0.803336  Min(alpha.water) = -3.4121e-13  Max(alpha.water) = 1
Applying the previous iteration compression flux
MULES: Correcting alpha.water
MULES: Correcting alpha.water
MULES: Correcting alpha.water
MULES: Correcting alpha.water
Phase-1 volume fraction = 0.803336  Min(alpha.water) = -8.31726e-10  Max(alpha.water) = 1
GAMG:  Solving for p_rgh, Initial residual = 0.000213947, Final residual = 4.56853e-08, No Iterations 19
time step continuity errors : sum local = 1.07998e-09, global = -2.92566e-12, cumulative = -3.15738e-09
PIMPLE: Iteration 3
forces forces:
    Not including porosity effects
Rigid-body motion of the hull
    Centre of rotation: (3 0 0.189302)
    Orientation: (0.999758 0 -0.0219868 0 1 0 0.0219868 0 0.999758)
    Linear velocity: (0 0 -0.0427505)
    Angular velocity: (0 -0.0134234 0)
GAMG:  Solving for pcorr, Initial residual = 1, Final residual = 0.000923356, No Iterations 22
time step continuity errors : sum local = 1.36977e-10, global = -1.34327e-13, cumulative = -3.15751e-09
smoothSolver:  Solving for alpha.water, Initial residual = 1.57985e-05, Final residual = 6.20267e-12, No Iterations 3
Phase-1 volume fraction = 0.803336  Min(alpha.water) = -3.412e-13  Max(alpha.water) = 1
Applying the previous iteration compression flux
MULES: Correcting alpha.water
MULES: Correcting alpha.water
MULES: Correcting alpha.water
MULES: Correcting alpha.water
Phase-1 volume fraction = 0.803336  Min(alpha.water) = -5.01932e-08  Max(alpha.water) = 1
GAMG:  Solving for p_rgh, Initial residual = 0.000101498, Final residual = 4.62009e-08, No Iterations 19
time step continuity errors : sum local = 1.09272e-09, global = 4.09503e-12, cumulative = -3.15342e-09
smoothSolver:  Solving for omega, Initial residual =2.53013e-05, Final residual = 7.65699e-09, No Iterations 2
smoothSolver:  Solving for k, Initial residual = 5.87558e-05, Final residual = 2.49652e-08, No Iterations 3
ExecutionTime = 27536.4 s  ClockTime = 27737 s
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Joann
