<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hello Neks,</div><div><br></div>Again, since u=2*x, then u_x=2, the boundary conditions for uy should be <div>v_y = -u_x = -2. </div><div>when I set the boundary type as "v" and it is aligned/parallel with X-axis. the value of uy will be equal to zero by default. So in this case is it feasible to set "v" as boundary type?</div><div><br></div><div>I find here <a href="http://lists.mcs.anl.gov/pipermail/nek5000-users/2011-April/001312.html">http://lists.mcs.anl.gov/pipermail/nek5000-users/2011-April/001312.html</a></div><div>and <a href="http://lists.mcs.anl.gov/pipermail/nek5000-users/2010-December/001184.html">http://lists.mcs.anl.gov/pipermail/nek5000-users/2010-December/001184.html</a></div><div>have a similar question with mine. Is there someone can give me some advices? thank you!!</div><div><br></div><div>Wei</div><div><br></div><div><br></div><div><br></div><div>On Jun 17, 2014, at 6:42 PM, <a href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.gov</a> wrote:<div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Thanks you Paul, for your so quickly response and help!!. It works.<div><br></div><div>Wei<br><div><div>On Jun 17, 2014, at 5:36 PM, <a href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.gov</a> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "> ux=0<br> uy=0<br> uz=0<br> eps = 1.e-4<br> if (abs(y-1.).le.eps) ux=2*x</span></blockquote></div><br></div></div>_______________________________________________<br>Nek5000-users mailing list<br><a href="mailto:Nek5000-users@lists.mcs.anl.gov">Nek5000-users@lists.mcs.anl.gov</a><br>https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users<br></blockquote></div><br></div></body></html>