1829116
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Thanks for your response

In FLUENT, I can turn off the node value but cannot find the option for the for the “colour band”. When I plot the graph, I get a blue field (v=0m/s). Please advice 

 

Regarding my timestep size. As I mentioned, the minimum edge length I have is 0.032175m. If air is moving at 100 – 120 m/s, then I need the timestep size to be 0.00026s approx? Is that correct? I need to run my simulation for 15s so that means that I will have 60000 timesteps?