FLUENT LES Simulation of flow past a cube -- CFD Online Discussion Forums

April 16, 2012, 23:03	FLUENT LES Simulation of flow past a cube	#1
NGH New Member NGH Join Date: May 2011 Posts: 15 Rep Power: 14	Hi Im simulating the flow past a cube using FLUENT LES model and encountered some issues. The flow is 0.4m/s and the cube is 0.1 m. How many flow through times do I need to get the distinct flow features? After 2 flow through time, the features are still very fuzzy. What could be the problem? Thanks Im using pressure velocity coupling: SIMPLE Gradient:Green Gauss Cell Based Pressure:Standard Momentum:Bounded Central Differencing Transient Formulation:2nd Order Implicit

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