圆柱绕流流固耦合计算报错

OpenFOAM
1 
[xye@localhost fluid]$ --------------------------------------------------------------------------
mpirun noticed that process rank 2 with PID 41651 on node localhost.localdomain exited on signal 11 (Segmentation fault).
Time = 0.0025, iteration: 3
Maximal accumulated displacement of interface points: 0.00032631935
GAMG:  Solving for cellMotionUx, Initial residual = 0.4925908, Final residual = 0.00018380911, No Iterations 1
GAMG:  Solving for cellMotionUy, Initial residual = 0.72466457, Final residual = 0.00070954375, No Iterations 3
GAMG:  Solving for cellMotionUz, Initial residual = 0.49491501, Final residual = 0.00031470224, No Iterations 3
GAMG:  Solving for cellMotionUx, Initial residual = 0.00021824665, Final residual = 7.3600322e-07, No Iterations 4
GAMG:  Solving for cellMotionUy, Initial residual = 0.00047565705, Final residual = 4.9458908e-07, No Iterations 4
GAMG:  Solving for cellMotionUz, Initial residual = 0.00028304055, Final residual = 7.082873e-07, No Iterations 4
Evolving flow model
Courant Number mean: 0.0012308981 max: 0.024856613 velocity magnitude: 0.06863784
DILUPBiCG:  Solving for Ux, Initial residual = 1.2973902e-05, Final residual = 3.2127674e-09, No Iterations 1
DILUPBiCG:  Solving for Uy, Initial residual = 1.5359233e-05, Final residual = 5.161974e-09, No Iterations 1
DILUPBiCG:  Solving for Uz, Initial residual = 9.3678323e-05, Final residual = 2.6852861e-08, No Iterations 1
GAMG:  Solving for p, Initial residual = 0.030644822, Final residual = 8.9685037e-07, No Iterations 13
GAMG:  Solving for p, Initial residual = 0.018629844, Final residual = 3.9145968e-07, No Iterations 10
time step continuity errors : sum local = 1.69041e-12, global = 5.6256055e-13
GAMG:  Solving for p, Initial residual = 0.0038889137, Final residual = 9.9233935e-07, No Iterations 8
GAMG:  Solving for p, Initial residual = 0.00063893118, Final residual = 6.9922725e-07, No Iterations 6
time step continuity errors : sum local = 3.0060493e-12, global = 6.5550613e-14
GAMG:  Solving for p, Initial residual = 0.00012569669, Final residual = 8.5840571e-07, No Iterations 5
GAMG:  Solving for p, Initial residual = 2.3154034e-05, Final residual = 4.1048321e-07, No Iterations 3
time step continuity errors : sum local = 1.7647374e-12, global = -2.5456673e-13
DILUPBiCG:  Solving for epsilon, Initial residual = 6.0710465e-07, Final residual = 6.0710465e-07, No Iterations 0
DILUPBiCG:  Solving for k, Initial residual = 0.00026085173, Final residual = 5.3623471e-07, No Iterations 1
Setting traction on solid patch
Total force (fluid) = (-0.040457893 -8.8885722e-05 2.2119027e-09)
Total force (solid) = (0.040437818 8.9133019e-05 -2.2073432e-09)
Evolving stress model
DICPCG: Solving for D, Initial residula = 0.00056605288, Final residual = 7.280206e-05, No outer iterations = 200
Max relative residual = 0.0022285338, Relative residual = 3.592933e-05, enforceLinear = 0
Current fsi relative residual norm: 0.13985263
DICPCG: Solving for D, Initial residula = 0.00056605288, Final residual = 7.280206e-05, No outer iterations = 200
Max relative residual = 0.0022285338, Relative residual = 3.592933e-05, enforceLinear = 0
Current fsi relative residual norm: 0.13985263
2

在每一步算完后，将要写入盘的时候，出现了

Segmentation fault (core dumped)
3

查了一下，这个是由于 VTK 造成的，在建立 zone 的时候把不相关的 zones 也列进去了。因此，产生了问题。把 VTK 删除，重新生成 zones 就可以了。