[shddr110]

Hi guys,
I am simulating a 3D turbulent open channel flow in OpenFOAM. I successfully set up the cyclic boundary conditions at inlet and outlet, and I wish to set up a constant volume force (some people also regard it as a constant pressure drop) inside the whole domain to drive the flow.

I checked many forums but only found a "fan" type. With "fan" the pressure would rise in the streamwise direction. But I want a constant pressure drop. Anyone knows how to do that in OpenFOAM?

Much thanks!

Best Regards

[waha]

Originally Posted by shddr110

Hi guys,
I am simulating a 3D turbulent open channel flow in OpenFOAM. I successfully set up the cyclic boundary conditions at inlet and outlet, and I wish to set up a constant volume force (some people also regard it as a constant pressure drop) inside the whole domain to drive the flow.

I checked many forums but only found a "fan" type. With "fan" the pressure would rise in the streamwise direction. But I want a constant pressure drop. Anyone knows how to do that in OpenFOAM?

Much thanks!

Best Regards

Hey, shddr, eight years later, have you found the answer? If you still remember, thank you for sharing.

[Tobermory]

You can do it with a source term in the momentum equation.

[Severus]

Hello,
Take a look at these links.

https://www.openfoam.com/documentati...ity-force.html

https://caefn.com/openfoam/fvoptions-meanvelocityforce

Thanks