some problems about residual graphs -- CFD Online Discussion Forums

October 8, 2009, 04:09	some problems about residual graphs	#1
lucifer New Member zhangmin Join Date: Sep 2009 Posts: 9 Rep Power: 16	Hello! I am doing something about nature convection in a hermetic vessel. The residual curves decline when the calculation is started, but after 250 iterations, the curves raise a little and fluctuate in a very small range. I tried to reduce the under-relaxation factors and make the mash more closer ,but this didn't work. Can someone help me,please? Thanks a lot! By the way,I don't kown very well about the do-intensity curve in the residual graphs.

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