关于算例还在运行，但时间步不动了的问题

七辆战车

算的是一个流固耦合的算例，设置的时长为30s，时间步为0.0008s，但就像下面log文件所示，跑到21.6s就不动了，库朗数和时间步也都没有问题，可后台的算例仍在运行，不知道有人遇到过这种情况吗？


Courant Number mean: 0.0217177 max: 0.747933
Interface Courant Number mean: 0.00207593 max: 0.317466
deltaT = 0.00246914
Time = 21.64

PIMPLE: iteration 1
forces forces:
    Not including porosity effects

Rigid-body motion of the floatingObject_1
    Centre of rotation: (17.9676 1.18487 2.30971)
    Orientation: (0.789224 -0.604364 -0.108945 0.598425 0.796707 -0.0845331 0.137886 0.00152029 0.990447)
    Linear velocity: (1.08494 -0.00258798 -0.0580525)
    Angular velocity: (0.00635102 0.475399 -0.0333477)
inverseDistance : detected 2 mesh regions
    zone:0 nCells:3543750  voxels:(46 46 46) bb:(27.16 1.15079 0.679996) (30 2.5 3)
    zone:1 nCells:128764  voxels:(46 46 46) bb:(-60 -5.00003 -6.00003) (-30 -2.49997 -2.99997)
Overset analysis : nCells : 3672514
    calculated   : 3666116
    interpolated : 4240 (interpolated from local:0  mixed local/remote:0  remote:4240)
    hole         : 2158

Velocity BC on patch inlet
3D_2D Absorption BC on patch outlet
"Correction Levels" 1( 0.00294933 )

Execution time for mesh.update() = 17.54 s
alpha.water BC on patch inlet
smoothSolver:  Solving for alpha.water, Initial residual = 0.000313216, Final residual = 2.15956e-09, No Iterations 2
Phase-1 volume fraction = 0.674956  Min(alpha.water) = 0  Max(alpha.water) = 1.00807
MULES: Correcting alpha.water
alpha.water BC on patch inlet
MULES: Correcting alpha.water
alpha.water BC on patch inlet
Phase-1 volume fraction = 0.674956  Min(alpha.water) = 0  Max(alpha.water) = 1.00807
Velocity BC on patch inlet
3D_2D Absorption BC on patch outlet
"Correction Levels" 1( 0.00294969 )

DILUPBiCGStab:  Solving for p_rgh, Initial residual = 0.000588579, Final residual = 4.92802e-06, No Iterations 13
time step continuity errors : sum local = 2.70306e-07, global = -1.19385e-07, cumulative = 0.000294726
DILUPBiCGStab:  Solving for p_rgh, Initial residual = 1.7783e-05, Final residual = 1.71179e-07, No Iterations 33
Velocity BC on patch inlet
3D_2D Absorption BC on patch outlet
"Correction Levels" 1( 0.00294969 )

time step continuity errors : sum local = 8.87724e-09, global = -3.68185e-09, cumulative = 0.000294722
DILUPBiCGStab:  Solving for p_rgh, Initial residual = 2.68839e-06, Final residual = 9.42479e-10, No Iterations 93
Velocity BC on patch inlet
3D_2D Absorption BC on patch outlet
"Correction Levels" 1( 0.00294969 )

time step continuity errors : sum local = 5.0388e-11, global = -2.36117e-12, cumulative = 0.000294722
smoothSolver:  Solving for omega, Initial residual = 0.000973407, Final residual = 5.00791e-09, No Iterations 3
smoothSolver:  Solving for k, Initial residual = 0.000871409, Final residual = 5.24147e-09, No Iterations 3
ExecutionTime = 142025 s  ClockTime = 141934 s

bestucan

https://cfd-china.com/topic/3453/运行pisofoam的时候-卡住不动了

里面有个可以尝试的方法。

七辆战车

@bestucan 感谢回复！