some problems about residual graphs
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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