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2d flow problem with fractures

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Old   October 16, 2015, 14:18
Default 2d flow problem with fractures
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Mark
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I am working on flow in porous medium with fractures and this is somewhat new to me so I have a couple of question for anyone who can be of help:

1. What does the value of the source term(Q) in each control volume represent, and how to I evaluate it in my code.
2. In solving for the pressure implicitly I have solved the matrix equation AP=Q, how do I evaluate the velocity and how do I find the direction of flow?
3. How do I find the outward normal vector to an edge in my triangulation.

Thanks a lot!
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