how to determine time step size in laminar flow? -- CFD Online Discussion Forums

May 16, 2011, 14:17	how to determine time step size in laminar flow?	#1
oilsok New Member OH il seok Join Date: Sep 2010 Posts: 17 Rep Power: 15	Hi.Now i trying unstedy fluid flow with Re 100. I wanna see vortex. unsteady flow I know that implicit method independence timestep size.But some guys. Tald me time step size is determine that meshsize/velocity . It is real??Why??? My problem is not multiphase and dynamicmesh. So i thought that courant number is not important. Help me.Thx

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