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Forum: OpenFOAM Programming & Development

July 18, 2012, 07:45

Replies: 3

non-exact gradient values

Views: 1,019

Posted By akidess

No worries and good hunting!

No worries and good hunting!

Forum: OpenFOAM Programming & Development

July 17, 2012, 11:26

Replies: 3

non-exact gradient values

Views: 1,019

Posted By akidess

The gradient is (Phi_P - Phi_f)/mag(d). I'll...

The gradient is (Phi_P - Phi_f)/mag(d). I'll assume d=1e-4m, and you get a small error in the computation of the difference of 1e-16 (that's about the precision you can get using double if I'm not...

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