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Forum: OpenFOAM

March 19, 2012, 17:24

Replies: 22

DU/DT value?

Views: 4,315

Posted By alberto

What exactly is unclear?

What exactly is unclear?

Forum: OpenFOAM

June 4, 2011, 11:32

Replies: 22

DU/DT value?

Views: 4,315

Posted By alberto

This questions sounds a bit like "please do my...

This questions sounds a bit like "please do my homework", since this stuff is standard. :D

Take a look at createFields.H, where other fields are created, and do something similar for DDtU. Then...

Forum: OpenFOAM

June 4, 2011, 09:53

Replies: 22

DU/DT value?

Views: 4,315

Posted By alberto

Here it is: DDtU = fvc::ddt(U) ...

Here it is:

DDtU =
fvc::ddt(U)
+ fvc::div(phi, U)
- fvc::div(phi)*U;

To write the field, simply declare it with the appropriate IOobject.

Best,

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