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<p style="margin-top:0;margin-bottom:0">Dear Nek users,</p>
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<p style="margin-top:0;margin-bottom:0">I am trying to impose a periodic velocity to simulation blowing and suction on a flat plate. The current inlet has a specified velocity whereas the top and outlet are specified as 'O'. The bottom is wall, 'W'. Does anyone
has any experience of specifing a temporally periodic velocity on a narrow strip of the wall? I tried to define this velocity in the usrchk like,</p>
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<p style="margin-top:0;margin-bottom:0">do i = 1, n </p>
<p style="margin-top:0;margin-bottom:0"> x = xm1(...)</p>
<p style="margin-top:0;margin-bottom:0"> y = ym1(...)</p>
<p style="margin-top:0;margin-bottom:0"> IF (y .eq. 0) then</p>
<p style="margin-top:0;margin-bottom:0"> if(x.LT... .and. x.GT...) then</p>
<p style="margin-top:0;margin-bottom:0"> vy (...)= ...</p>
<p style="margin-top:0;margin-bottom:0"> endif</p>
<p style="margin-top:0;margin-bottom:0"> ENDIF</p>
<p style="margin-top:0;margin-bottom:0">enddo</p>
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<p style="margin-top:0;margin-bottom:0">But this does not work. Could anyone give me some suggestions please?</p>
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<p style="margin-top:0;margin-bottom:0">Thanks in advance</p>
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