<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;">Hi</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"><span style="font-family: "Courier New";">My name is bin.Tang and I am a Ph.D. candidate in Naval Architecture and Marine Engineering, Harbin Engineering University, China.In the process of applying gmsh I encountered a problem.My example is in the attachment.When applying "tmp[] = Extrude {Surface{1}; Layers{5, 0.02}; Recombine;};" to generate the boundary layer, I can not find the outermost surface.My example is in the attachment.I really helpless, I hope to get your help.</span></div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"><br></div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"><span style="font-family: "Courier New";">With kind regards,</span></div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"><br></div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"><span style="font-family: "Courier New";">bin.Tang</span></div></div><br><br><span title="neteasefooter"><p><br> </p></span></div><div id="divNeteaseBigAttach" style="clear:both;margin-top:10px;margin-bottom:15px;background:#DEE8F2;padding:4px;font-family:verdana,Arial,Helvetica,sans-serif"><div style="font-size:14px;padding:4px 8px 8px 8px;line-height:16px"><b>从网易163邮箱发来的云附件</b></div><div style="background:#fff;padding:4px"><div style="clear:both;height:36px;padding:6px 4px"><div style="float:left;width:36px"><a href="http://fs.163.com/fs/display/?p=X-NETEASE-HUGE-ATTACHMENT&file=8rZjYoV_NlOL_7ywC7lxQuHYoGZRk4vVhg-x6X5CprCa9kT5KYKGChyoNYss4WZ02HmkZIk_QHO0qvwhIdEpqA&title=Unable%20to%20find%20the%20boundary%20layer"><img border="0" src="http://mimg.127.net/xm/all/fj/ico-bfile-7.gif"></a></div><div><div style="padding:0px;font-size:12px;line-height:14px"><a href="http://fs.163.com/fs/display/?p=X-NETEASE-HUGE-ATTACHMENT&file=8rZjYoV_NlOL_7ywC7lxQuHYoGZRk4vVhg-x6X5CprCa9kT5KYKGChyoNYss4WZ02HmkZIk_QHO0qvwhIdEpqA&title=Unable%20to%20find%20the%20boundary%20layer" download="http://fs.163.com/fs/display/?p=X-NETEASE-HUGE-ATTACHMENT&file=8rZjYoV_NlOL_7ywC7lxQuHYoGZRk4vVhg-x6X5CprCa9kT5KYKGChyoNYss4WZ02HmkZIk_QHO0qvwhIdEpqA&title=Unable%20to%20find%20the%20boundary%20layer" preview="" fileid="undefined" filename="case.zip" filesize="27593703" expiretime="1520761098698" target="_blank" style="color:#000;text-decoration:none">case.zip</a><span style="color:#bbb"> (26.32M, 2018年3月11日 17:38 到期)</span></div><div style="padding:4px 0px;font-size:12px;line-height:14px"><a href="http://fs.163.com/fs/display/?p=X-NETEASE-HUGE-ATTACHMENT&file=8rZjYoV_NlOL_7ywC7lxQuHYoGZRk4vVhg-x6X5CprCa9kT5KYKGChyoNYss4WZ02HmkZIk_QHO0qvwhIdEpqA&title=Unable%20to%20find%20the%20boundary%20layer">下载</a></div></div></div></div></div><br><br><span title="neteasefooter"><p><br/> </p></span>