<div dir="ltr"><div dir="ltr"><br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><span style="color:rgb(80,0,80)"><br></span></div><div><span style="color:rgb(80,0,80)">   Is there anything wrong in my above consideration?  Any suggestions?</span></div><div><div><br></div><div>        ------------    <br>      /|             /|     <br>     / |           /  |  cell 0: Hex<br>    /  |          /   |  <br>   ------------/   |<br>   |   |         |   |     <br>   |   |         |   |   cell 1: Quad<br>   |   --------|---|------------<br>   |  /          |  /             /<br>   | /           | /             /<br>   |/            |/             /<br>   -------------------------------------------<br>                                  cell 2: line<br></div></div><div><br></div><div>Much thanks for your help.</div></div></blockquote><div><br></div><div>If you are solving something where everything is embedded in a volumetric mesh, then there is no problem. However, if you really have</div><div>the mesh above, where lower dimensional pieces are sticking out of the mesh, then Plex can represent the mesh, but automatic interpolation</div><div>(creation of edges and faces) will not work.</div></div></div></blockquote><div><br></div><div>Yuan: can you add a fake Hex over the hanging shell here? Give them zero stiffness and constrain the hanging nodes that the fake elements create.</div><div>Mark</div><div> </div></div></div>