[Nek5000-users] Calculation of sectional forces
nek5000-users at lists.mcs.anl.gov
nek5000-users at lists.mcs.anl.gov
Sat Nov 24 17:36:39 CST 2012
Hi Sofia,
There is a routine that computes torque as well as all three
components of net force.
A few of the examples call this routine --- you should be
able to see this via:
cd
cd nek5_svn
cd examples
grep -i torq */*.usr
The main idea is to identify the surfaces that constitute
the object of interest, e.g., via the "set_obj" routine
shown in some of these examples. Subsequent calls
to the torque_calc routine will compute the net forces
on these surfaces and sum them together.
Please let us know if this answers your question.
Best regards,
Paul
On Sat, 24 Nov 2012, nek5000-users at lists.mcs.anl.gov wrote:
> Dears Neks
>
> I am using the solver to perform 3D simulations past an oscillating cylinder.
>
> Do you know if there is a subroutine to calculate the sectional lift and drag
> forces over the cross section of the cylinder in z-direction.
>
> Regards
> Sofia
>
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