@东岳 用的komega湍流模型,有时在outlet处设置了intOut边界,value会设置成0,也尝试过zerogradient,没有value
,0文件夹的omega设置如下:
internalField   uniform 53.6;
boundaryField
{
    INLET
    {
        type            turbulentMixingLengthFrequencyInlet;
	mixingLength	8.52e-4;
        value           uniform 53.6;
    }
    OUTLET
    {
        type            zeroGradient;
    }
    BOTWALL
    {
        type            omegaWallFunction;
        value           $internalField;
    }
    UPWALL
    {
        type            omegaWallFunction;
        value           $internalField;
    }
    HEATWALL
    {
        type            omegaWallFunction;
        value           $internalField;
    }
}