Low velocity car simulation -- CFD Online Discussion Forums

June 13, 2009, 10:23	Low velocity car simulation	#1
linkse_edogawa New Member Elingselasri Join Date: Jun 2009 Location: Indonesia Posts: 6 Rep Power: 17	Hai,,, I want to simulate the 3d flow over a prototype car to obtain the value of Cd in low velocity, say 25 km/h (about 7 m/s). May I assume that the ground is not moving, so I just simulate the air flow with that velocity and the car and ground is standing still. With that low velocity, no need for me to simulate turbulent. am I right? Hmm.. should I estimate the boundary layer thickness first to set the smallest grid? THank you for ur answer. Elingselasri, student.

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