多相流Increasing relaxation sweeps!求助~

ajene

我用的是两相流模型，添加得有动量和热量的源项，但是算到7400 多步时（0.35s）时老出现了不收敛的现象，报错显示如下，我网格密度比较大

，为结构化网格。望大牛指点一二。

  7446  6.0138e-02  7.0721e-06  2.8097e-07  3.2599e-05  1.4608e-06  4.3169e-08  2.1183e-07  4.3260e-08  4.3054e-08  1.6304e-03  

1.3723e-06  0:00:14   14
# Divergence detected in AMG solver: mp-x-momentum -> Increasing relaxation sweeps!
# Divergence detected in AMG solver: pressure correction -> Turning off correction scaling!
# Divergence detected in AMG solver: pressure correction -> Increasing relaxation sweeps!
# Divergence detected in AMG solver: temperature -> Increasing relaxation sweeps!
# Divergence detected in AMG solver: uds-0 -> Increasing relaxation sweeps!
。

我将solution control 中的pre relaxation 修改了为1 但是还是出现了这个情况。希望得到您的指点！