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Jian,
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<div class="">‘v’ and ‘O’ are letters to designate boundary types in Nek5000. ‘v’ is a user defined Dirichlet velocity and ‘O’ is an outflow boundary condition.</div>
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<div class="">On Jan 3, 2017, at 6:12 AM, <a href="mailto:nek5000-users@lists.mcs.anl.gov" class="">
nek5000-users@lists.mcs.anl.gov</a> wrote:</div>
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<pre style="box-sizing:border-box;font-family:consolas,"liberation mono",menlo,courier,monospace;font-size:15px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:normal;white-space:pre-wrap;color:rgb(51,51,51)" class="">Hi all,</pre>
<pre style="box-sizing:border-box;font-family:consolas,"liberation mono",menlo,courier,monospace;font-size:15px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:normal;white-space:pre-wrap;color:rgb(51,51,51)" class=""><br class=""></pre>
<pre style="box-sizing:border-box;font-family:consolas,"liberation mono",menlo,courier,monospace;font-size:15px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:normal;white-space:pre-wrap;color:rgb(51,51,51)" class="">I want to convert openfoam mesh to nek5000. As the readme file says, the following scripts should be changed to the other one. May I know why the inlet and outlet types changed to be v and O, respectively?</pre>
<pre style="box-sizing:border-box;font-family:consolas,"liberation mono",menlo,courier,monospace;font-size:15px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:normal;white-space:pre-wrap;color:rgb(51,51,51)" class=""><br class=""></pre>
<pre style="box-sizing:border-box;font-family:consolas,"liberation mono",menlo,courier,monospace;font-size:15px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:normal;white-space:pre-wrap;color:rgb(51,51,51)" class="">wall
    {
        type            wall;
        nFaces          2400;
        startFace       88300;
    }
    inlet
    {
        type            <b style="background-color:rgb(255,0,0)" class="">patch;</b>
        nFaces          500;
        startFace       90700;
    }
    outlet
    {
        type            <b style="background-color:rgb(255,0,0)" class="">patch;</b>
        nFaces          500;
        startFace       91200;
    }

Because foamToNek will read the boundary condition type in this file. Please change the boundary file to:

  wall
    {
        type            W;
        nFaces          2400;
        startFace       88300
    }
    inlet
    {
        type            <b style="background-color:rgb(255,0,0)" class="">v;</b>
        nFaces          500;
        startFace       90700;
    }
    outlet
    {
        type            <span style="background-color:rgb(255,0,0)" class=""><b class="">O;</b></span>
        nFaces          500;
        startFace       91200;
    }</pre>
<pre style="box-sizing:border-box;font-family:consolas,"liberation mono",menlo,courier,monospace;font-size:15px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:normal;white-space:pre-wrap;color:rgb(51,51,51)" class=""><br class=""></pre>
<pre style="box-sizing:border-box;font-family:consolas,"liberation mono",menlo,courier,monospace;font-size:15px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:normal;white-space:pre-wrap;color:rgb(51,51,51)" class="">Kind regards,</pre>
<pre style="box-sizing:border-box;font-family:consolas,"liberation mono",menlo,courier,monospace;font-size:15px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:normal;white-space:pre-wrap;color:rgb(51,51,51)" class=""><br class=""></pre>
<pre style="box-sizing:border-box;font-family:consolas,"liberation mono",menlo,courier,monospace;font-size:15px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:normal;white-space:pre-wrap;color:rgb(51,51,51)" class="">Jian</pre>
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