fluent并行计算的时候，出现浮点溢出，如何解决？

我先计算了连续相，然后再开DPM模型，采用了DPM模型，设置了两个injection，计算一会后出现了

Divergence detected in AMG solver: temperature

Divergence detected in AMG solver: temperature

Divergence detected in AMG solver: temperature

Divergence detected in AMG solver: temperature

Divergence detected in AMG solver: temperature

Divergence detected in AMG solver: temperature

Divergence detected in AMG solver: temperature

Error at host: floating point exception

 turbulent viscosity limited to viscosity ratio of 1.000000e+05 in 116980 cells

Error at Node 0: floating point exception

Error at Node 1: floating point exception

Error at Node 2: floating point exception

Error at Node 3: floating point exception

Error at Node 4: floating point exception

Error at Node 5: floating point exception

Error at Node 6: floating point exception

请问如何解决?网格采用非结构化网格，质量0.4