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Forum: OpenFOAM Programming & Development

July 14, 2020, 13:42

Replies: 2

How to solve an algebraic system of equations

Views: 773

Posted By agustinvo

I found out the problem: inside the...

I found out the problem: inside the volTensorField A there where negative elements on the diagonal, and computing the inverse of it was giving errors (large condition number for tensor A).

I...

Forum: OpenFOAM Programming & Development

July 14, 2020, 10:31

Replies: 2

How to solve an algebraic system of equations

Views: 773

Posted By agustinvo

I have been playing around with different methods...

I have been playing around with different methods to solve the system of equations (using the Test-Matrix inside the OF code), but the problem persists. I think the problem is more related to the A...

Forum: OpenFOAM Programming & Development

July 13, 2020, 08:50

Replies: 2

How to solve an algebraic system of equations

Views: 773

Posted By agustinvo

How to solve an algebraic system of equations

Hi,

I have a system of linear equations like A·X=B that I am able to solve by the expression:
X = inv(A) * BThat I assume is the correct expression. During my steady-state simulations I have to...

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