[Nek5000-users] Need for clarification on boundary condition (inlet velocity)

[nek5000-users at lists.mcs.anl.gov]

Hi Prasanth,

In userbc you can implement something like this.

A simple example in userbc()

ux = sin(omega*time)
uy = cos(omega*time)
uz = 0

On Sat, Jan 30, 2016 at 6:50 AM, <nek5000-users at lists.mcs.anl.gov> wrote:

> Dear Sir
>
> I am basically trying to simulate a plunging airfoil using NEK5000. What I
> thought was, keeping the NACA profile stationary while making the flow to
> oscillate.
> I wish to give the inlet velocity boundary condition as oscillating ( some
> sine or cos function dependent on time). How shall I incorporate this in my
> subroutine userbc()?
>
> Thanks/Regards
> Prashanth Mohanasundaram
>
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