<div dir="ltr">This is a big topic. One is node-nested re-triangularization, popular in finite element methods. There is some experimental code for this in PCGAMG, but it's not production code and due for a refactor. Another is element agglomeration, which is more popular with finite volume methods (and generally for problems where conservation is paramount).</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jan 22, 2013 at 11:16 AM, Fande Kong <span dir="ltr"><<a href="mailto:fd.kong@siat.ac.cn" target="_blank">fd.kong@siat.ac.cn</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi all,<div><br></div><div>Are there any popular methods or algorithms which can be used to produceĀ a coarser mesh for a given 2d or 3d unstructured mesh?<span class="HOEnZb"><font color="#888888"><br clear="all"><div><br>
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Fande Kong</div><div style="line-height:21px;font-size:14px;font-family:Verdana">ShenZhen Institutes of Advanced Technology</div><div style="line-height:21px;font-size:14px;font-family:Verdana">
Chinese Academy of Sciences</div>
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