这个WARNING 这么解决??
*** WARNING *** CP= 2655.250 TIME= 16:37:47Conjugate gradient solver did not meet specified convergence criterion
within specified number of solver sweeps.Model size may require more
sweeps.Check debug file for divergence.
DOF solved was PRES.
*** ERROR *** CP= 2655.719 TIME= 16:37:48
Coefficient matrix has a negative diagonal.Probably indicates
divergent solution.
VY Node= 41873.
我计算具有内热源的流体的温度分布
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