minimize time step, adapt region -- CFD Online Discussion Forums

May 25, 2010, 05:14	minimize time step, adapt region	#1
bilalmerei New Member bilalmerei Join Date: Mar 2010 Posts: 14 Rep Power: 16	Good morning everyone, i did a geometry on Gambit for a Catheter into a vessel to simulate an injection of an oil in blood. for the catheter of an exterior diameter of 0.5mm i made 10 meshes. the problem that in Fluent i need 10^-5 as time step to obtain a stable flow. so i have to wait to attend 10s more than a week do you suggest anything for me? can the option ADAPT REGION reduce the time step?? thank you in advance and it's serious i need a response

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