Compressible flow model

bekreddybandi · October 20, 2009, 04:03

Hi,
I would like to simulate the duct(internal flow) with inlet mach number 2. What type of boundary conditions at inlet i need to give?
It is givng the warning that velocity boundary conditions should not give at inlet for compressible flow. Please give a solutions for this problem.

Thanks
Reddy.

wildejon · October 20, 2009, 06:30

Not sure what code you are using but you likely need to apply a mass flow rate, something that will remain constant throughout the model, velocity is too vague for compressible flows.
I would have thought you would need some sort of temperature too?

October 20, 2009, 04:03	Compressible flow model	#1
bekreddybandi New Member Reddy Join Date: Oct 2009 Posts: 1 Rep Power: 0	Hi, I would like to simulate the duct(internal flow) with inlet mach number 2. What type of boundary conditions at inlet i need to give? It is givng the warning that velocity boundary conditions should not give at inlet for compressible flow. Please give a solutions for this problem. Thanks Reddy.

October 20, 2009, 06:30	Compressible Flow	#2
wildejon New Member Jon Wilde Join Date: Mar 2009 Posts: 5 Rep Power: 17	Not sure what code you are using but you likely need to apply a mass flow rate, something that will remain constant throughout the model, velocity is too vague for compressible flows. I would have thought you would need some sort of temperature too?

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