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Boundary Condition for variable Gradient

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Old   March 13, 2009, 11:35
Default Hello, To determine the ini
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Wilko Rohlfs
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Hello,

To determine the initial pressure in a incompressible flow I would like to use the following differential equation:

d(p)/d(x)=f(x)

Now I need a boundary condition for p to get the right wall values.
So far, my implementation uses the BC zeroGradient. This will lead to a boundary value that is exactly the cell value. But this is not the solution of the differential equation above.
What type of BC can be used here?

Best regards

Wilko
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Old   March 13, 2009, 13:30
Default Hello, problem solved!! Not
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Wilko Rohlfs
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Hello,

problem solved!! Not nice but it works.

Have a nice weekend

Wilko
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