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Forum: OpenFOAM Pre-Processing

December 22, 2011, 12:08

Replies: 9

Boundary conditions 2D Poisseuille flow in a pipe

Views: 6,800

Posted By mturcios777

If you look at the analytical solution for 2D...

If you look at the analytical solution for 2D Poiseuille flow, those zero-gradient boundary conditions are enforcing your fully developed condition, which (after applying the zero slip conditions at...

Forum: OpenFOAM Pre-Processing

December 20, 2011, 12:13

Replies: 9

Boundary conditions 2D Poisseuille flow in a pipe

Views: 6,800

Posted By mturcios777

Because we are specifying information on a...

Because we are specifying information on a boundary, a zero gradient condition means that the gradient of velocity normal to the boundary is zero. For the example of Poisseuille flow with the channel...

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