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Forum: OpenFOAM Running, Solving & CFD

May 2, 2007, 05:58

Replies: 19

Gradient operator implicit discretization

Views: 8,023

Posted By hjasak

Do you know CFX? They impleme

Do you know CFX? They implement a pressure-based block solver and they indeed have an implicit grad (and div!) to form a 2x2 block matrix system.

No such thing in OpenFOAM at the moment.
...

Forum: OpenFOAM Running, Solving & CFD

November 29, 2006, 07:50

Replies: 19

Gradient operator implicit discretization

Views: 8,023

Posted By hjasak

Implicit gradient operator:

Implicit gradient operator:

- firstly, the diagonal would be zero.
- secondly, the matrix coefficients would be vectors for a gradient and vectors transpose for a divergence
- thirdly, you...

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