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Help solving "c dot inv(A)" after solving the field variable (Ax=b) |
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September 11, 2014, 07:57 |
Help solving "c dot inv(A)" after solving the field variable (Ax=b)
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Member
Logan Page
Join Date: Sep 2010
Posts: 38
Rep Power: 16 |
I need help trying to solve "c dot inv(A)" after having solved for the field variable (Ax=b)
The simplyfied OpenFoam pseudo-code is: Code:
// create volScalarField's for governing equations // create volScalarField c fvMatrix Eqn ( // governing equations - discretize ); Eqn.relax(); Eqn.solve(); // Ax=b // volScalarField phi = c & inv(A); // I'm at a loss on how to compute this. A --> [m x m] lduMatrix b --> [1 x m] volScalarField --> I assume accessed with "Eqn.source();" inv(A) = inv(L) & inv(D) & inv(U) phi = c & ( inv(L) & inv(D) & inv(U) ) Any help on how to implement this in OpenFoam would be appreciated |
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ax=b, fvmatrix, ldumatrix, solver |
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