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Forum: OpenFOAM Running, Solving & CFD

May 30, 2005, 11:13

Replies: 19

Channel with repeated geometry

Views: 2,670

Posted By henry

No the pressure gradient is th

No the pressure gradient is the pressure gradient, if you want the pressure-drop please just multiply by the length of the channel. If that is a problem you can change the code to print out the...

Forum: OpenFOAM Running, Solving & CFD

May 30, 2005, 07:54

Replies: 19

Channel with repeated geometry

Views: 2,670

Posted By henry

channelOodles calculates and p

channelOodles calculates and prints the pressure-drop from which you can calculate the friction-factor.

Forum: OpenFOAM Running, Solving & CFD

May 9, 2005, 15:35

Replies: 19

Channel with repeated geometry

Views: 2,670

Posted By henry

A good way of starting unstead

A good way of starting unsteady problems is to map the solution from a previous run. In your case you could try scaling the velocity field from the higher Re run to the lower speed and start from...

Forum: OpenFOAM Running, Solving & CFD

May 9, 2005, 04:06

Replies: 19

Channel with repeated geometry

Views: 2,670

Posted By henry

Is the mesh you are using as f

Is the mesh you are using as fine as that used by your colleague? What discretisation schemes are you using?

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