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Yes, you are correct. 1, 2, .. are the boundary indices in your exodus file. The ‘1’ in bc(5,j,i,1) refers to the velocity field.
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<div class="">Marco<br class="">
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<div class="">On May 31, 2018, at 8:56 AM, <a href="mailto:nek5000-users@lists.mcs.anl.gov" class="">
nek5000-users@lists.mcs.anl.gov</a> wrote:</div>
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<div class="">Thank you . <br class="">
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<div class="">So here the 1,2,3,4 refers to the Side set numbers that we give as B.C in ICEM?</div>
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<div class="">Thank you very much<br data-mce-bogus="1" class="">
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<div class="">Sijo<br data-mce-bogus="1" class="">
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<div data-marker="__HEADERS__" class=""><b class="">De: </b>"nek5000-users" <<a href="mailto:nek5000-users@lists.mcs.anl.gov" class="">nek5000-users@lists.mcs.anl.gov</a>><br class="">
<b class="">À: </b>"nek5000-users" <<a href="mailto:nek5000-users@lists.mcs.anl.gov" class="">nek5000-users@lists.mcs.anl.gov</a>><br class="">
<b class="">Envoyé: </b>Jeudi 31 Mai 2018 14:52:40<br class="">
<b class="">Objet: </b>Re: [Nek5000-users] How to give NEK5000 boundary conditions to exodus mesh file<br class="">
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<div data-marker="__QUOTED_TEXT__" class="">I specify the boundary conditions in the usrdat subroutine using the following piece of code
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<div class=""> do i=1,nelt</div>
<div class=""> do j=1,2*ndim</div>
<div class=""> if(bc(5,j,i,1).eq.1) then</div>
<div class=""> cbc(j,i,1)='mv '</div>
<div class=""> elseif(bc(5,j,i,1).eq.2) then</div>
<div class=""> cbc(j,i,1)='W '</div>
<div class=""> elseif(bc(5,j,i,1).eq.3) then</div>
<div class=""> cbc(j,i,1)='W '</div>
<div class=""> elseif(bc(5,j,i,1).eq.4) then</div>
<div class=""> cbc(j,i,1)='W '</div>
<div class=""> else</div>
<div class=""> cbc(j,i,1)='E '</div>
<div class=""> endif</div>
<div class=""> enddo</div>
<div class=""> enddo</div>
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<div class="">Marco</div>
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<div class="">On May 31, 2018, at 8:50 AM, <a href="mailto:nek5000-users@lists.mcs.anl.gov" class="" target="_blank">
nek5000-users@lists.mcs.anl.gov</a> wrote:</div>
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<div class="">Hi Neks,<br class="">
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<div class="">I did the conversion of a mesh from ICEM to exodus file then to re2 file. </div>
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<div class="">But I am bit confused on the boundary conditions. Because from ICEM before I export to exodus I give the B.Cs as side set numbers and after the conversion to re2 I wont be able to put the boundary conditions in NEK format.</div>
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<div class="">So could you please tell me how you put the BC in NEK5000 format to a mesh file with exodus format.<br class="">
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<div class="">Thank you<br class="">
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