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Forum: OpenFOAM Running, Solving & CFD

March 30, 2013, 07:49

Replies: 14

is double precision default of OF?

Views: 5,306

Posted By haakon

I started on writing a short explanation...

I started on writing a short explanation yesterday, so I thought I might post it even tough this thread should be laid dead:

The magic lies in the definition of epsilon, which according to the...

Forum: OpenFOAM Running, Solving & CFD

March 24, 2013, 12:49

Replies: 14

is double precision default of OF?

Views: 5,306

Posted By haakon

Be aware that you can work with numbers much...

Be aware that you can work with numbers much smaller than eps, as the maximum and minimum exponents (with 10-base) is -308 and 308 respectively (double prec.). That means that it is possible to...

Forum: OpenFOAM Running, Solving & CFD

March 17, 2013, 17:23

Replies: 14

is double precision default of OF?

Views: 5,306

Posted By haakon

Yes, by default it is double precision. But you...

Yes, by default it is double precision. But you can change this at compile time by setting WM_PRECISION_OPTION=SP instead of WM_PRECISION_OPTION=DP in etc/bashrc before you compile. Anyways, that is...

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