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fvm::Sp (A , B)

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Old   November 5, 2010, 08:26
Default fvm::Sp (A , B)
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Nima Samkhaniani
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hi foamer

could u please tell me whats the functionality of fvm::Sp (A,B) ?

whats the difference between fvm::Sp (A,B) and A*B ?

thanks in advance
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Old   November 5, 2010, 10:51
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Anton Kidess
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fvm::Sp(A, B) is used for an implicit source term, so "B" is the variable you are solving for. Using A*B will leave the term on the right hand side of the equations. Depending on the sign of your source term implicit treatment can help with stability.
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