浮点数例外（核心已转储）问题

七辆战车

先对路过的大佬表示下感谢！在运行overOlaDyMFlow时没一会就出现了如下问题，看了网上的大部分解答，也没清楚自己的原因在哪，

PIMPLE: Operating solver in PISO mode

Reading field porosityIndex

Porosity NOT activated

Reading field p_rgh

Reading field U

Reading/calculating face flux field phi

Creating cellMask field to block out hole cells

Creating interpolatedCells field 

Reading transportProperties

Selecting incompressible transport model Newtonian
Selecting incompressible transport model Newtonian
Selecting turbulence model type RAS
Selecting RAS turbulence model kOmegaSST
Selecting patchDistMethod meshWave
RAS
{
    RASModel        kOmegaSST;
    turbulence      on;
    printCoeffs     on;
    alphaK1         0.85;
    alphaK2         1;
    alphaOmega1     0.5;
    alphaOmega2     0.856;
    gamma1          0.555555555556;
    gamma2          0.44;
    beta1           0.075;
    beta2           0.0828;
    betaStar        0.09;
    a1              0.31;
    b1              1;
    c1              10;
    F3              false;
    decayControl    false;
    kInf            0;
    omegaInf        0;
}


Reading g

Reading hRef
Calculating field g.h

No MRF models present

No finite volume options present
DICPCG:  Solving for pcorr, Initial residual = 0, Final residual = 0, No Iterations 0
Reading/calculating face velocity Uf

Courant Number mean: 0 max: 0

Starting time loop

Courant Number mean: 0 max: 0
Interface Courant Number mean: 0 max: 0
deltaT = 1.19997600048e-05
Time = 1.19998e-05

PIMPLE: iteration 1
forces forces:
--> FOAM Warning : 
    From function Foam::labelHashSet Foam::polyBoundaryMesh::patchSet(const Foam::UList<Foam::wordRe>&, bool, bool) const
    in file meshes/polyMesh/polyBoundaryMesh/polyBoundaryMesh.C at line 868
    Cannot find any patch or group names matching floatingObject
    rho: rho
    Not including porosity effects

6-DoF rigid body motion
    Centre of rotation: (2 0.5 0.999999999647)
    Centre of mass: (2 0.5 0.999999999647)
    Orientation: (1 0 0 0 1 0 0 0 1)
    Linear velocity: (0 0 -5.88588228235e-05)
    Angular velocity: (0 0 0)
inverseDistance : detected 1 mesh regions
    zone:0 nCells:2096472  voxels:(127 127 127) bb:(-4.472135955e-06 -0.100004472136 -4.472135955e-06) (4.00000447214 1.10000447214 1.60000447214)
Overset analysis : nCells : 2096472
    calculated   : 1800000
    interpolated : 0 (interpolated from local:0  mixed local/remote:0  remote:0)
    hole         : 296472

Execution time for mesh.update() = 7.21 s
smoothSolver:  Solving for alpha.water, Initial residual = 0, Final residual = 0, No Iterations 0
Phase-1 volume fraction = 0  Min(alpha.water) = 0  Max(alpha.water) = 0
MULES: Correcting alpha.water
alpha.water BC on patch inlet
#0  Foam::error::printStack(Foam::Ostream&) addr2line failed
#1  Foam::sigFpe::sigHandler(int) addr2line failed
#2  ? addr2line failed
#3  StokesIFun::waveLength(double, double) addr2line failed
#4  Foam::waveAlphaFvPatchScalarField::updateCoeffs() addr2line failed
#5  Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh>::Boundary::evaluate()
#6  ?
#7  ?
#8  ?
#9  __libc_start_main addr2line failed
#10  ?
浮点数例外 (核心已转储)

此前还存有一个warning

--> FOAM Warning : 
    From function Foam::labelHashSet Foam::polyBoundaryMesh::patchSet(const Foam::UList<Foam::wordRe>&, bool, bool) const
    in file meshes/polyMesh/polyBoundaryMesh/polyBoundaryMesh.C at line 868
    Cannot find any patch or group names matching floatingObject

不知道是否对求解造成了影响

一颗鸭蛋

浮点数溢出（核心已转储）应该是你网格有问题，刚开始做的时候我也经常遇到，到，可以先查查网格，长宽比不要太大。warning 的话一般没有问题的，只要不出现错误。

七辆战车

@一颗鸭蛋谢谢你的回答，我用的重叠网格，贴体网格和背景网格的长宽都是1:1且一样大，然后就不知道问题出在哪里了

浮点数例外（核心已转储） 问题

浮点数例外（核心已转储）问题