fluent计算燃烧时发散，然后自动变小 Courant number，求问怎么解决呀

thuzs

Divergence detected - temporarily reducing Courant number to 0.1
and trying again...

Divergence detected - temporarily reducing Courant number to 0.01
and trying again...

Divergence detected - temporarily reducing Courant number to 0.001
and trying again...

Divergence detected - temporarily reducing Courant number to 0.0001
and trying again...

Divergence detected - temporarily reducing Courant number to 1e-05
and trying again...
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 0.
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 1.
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 2.
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 3.
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 4.
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 5.
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 6.
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 7.
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 8.
Divergence detected in AMG solver
Internal error at line 1610 in file 'dbns\rp_mstage.c' on Node 9.

周华

这种问题最麻烦，很可能是燃烧过程中的刚性问题。

thuzs

周华 发表于 2017-2-26 18:40
这种问题最麻烦，很可能是燃烧过程中的刚性问题。

谢谢！