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Time step high or low for coarse grid, courant number high or low??

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November 19, 2015, 08:47	Time step high or low for coarse grid, courant number high or low??	#1
sameer22 New Member sameer pandey Join Date: Oct 2015 Posts: 2 Rep Power: 0	Hey guys, i have a problem, my mesh is a little coarse and i wanted to do simulation a bit accurate without having to do fine meshing, what changes should i do in time step size or courant number?? help

December 28, 2015, 10:41		#2
ErdemKaya New Member Erdem Kaya Join Date: Dec 2015 Posts: 7 Rep Power: 10	Courant number is a dimensionless number that is directly proportion to time step. So you can decrease the time step.

December 30, 2015, 00:41		#3
sameer22 New Member sameer pandey Join Date: Oct 2015 Posts: 2 Rep Power: 0	thanx mate

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