Dear <span class="Apple-style-span" style="border-collapse: collapse; color: rgb(0, 104, 28); font-weight: bold; white-space: nowrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; ">udayagiri sai babu:</span><div>
<font class="Apple-style-span" color="#00681C"><span class="Apple-style-span" style="border-collapse: collapse; white-space: nowrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><b><font class="Apple-style-span" color="#000000"><span class="Apple-style-span" style="font-weight: normal;">If you deal with non-metal, you can choose "fixed".</span></font></b></span></font></div>
<div><span class="Apple-style-span" style="border-collapse: collapse; white-space: nowrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;">In metal, band structure will cross fermi level. This may result into non-convergence of scf calculation.</span></div>
<div><font class="Apple-style-span" color="#00681C"><span class="Apple-style-span" style="border-collapse: collapse; white-space: nowrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><b><font class="Apple-style-span" color="#000000"><span class="Apple-style-span" style="font-weight: normal;">Therefore,if you deal with metal, the occupation can accelerate the convergence.</span></font></b></span></font></div>
<div><font class="Apple-style-span" color="#00681C"><span class="Apple-style-span" style="border-collapse: collapse; white-space: nowrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><b><font class="Apple-style-span" color="#000000"><span class="Apple-style-span" style="font-weight: normal;">But you much check the convergence of the occupation value.</span></font></b></span></font></div>
<div><span class="Apple-style-span" style="border-collapse: collapse; white-space: nowrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span></div><div><span class="Apple-style-span" style="border-collapse: collapse; white-space: nowrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><a href="http://blog.sina.com.cn/s/blog_5f15ead20100d1ki.html">http://blog.sina.com.cn/s/blog_5f15ead20100d1ki.html</a></span></div>
<div><span class="Apple-style-span" style="border-collapse: collapse; white-space: nowrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;">There are some convergence test result. I hope it will give you some help:)</span></div>
<div><font class="Apple-style-span" color="#00681C"><span class="Apple-style-span" style="border-collapse: collapse; white-space: nowrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; "><b><font class="Apple-style-span" color="#000000"><span class="Apple-style-span" style="font-weight: normal;"><br>
</span></font></b></span></font><br><div class="gmail_quote">On Sat, Sep 12, 2009 at 6:15 AM, udayagiri sai babu <span dir="ltr"><<a href="mailto:udayagiri3@gmail.com">udayagiri3@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Dear all<br>Can somebody clearly tell me how to define occupations from input. I cant find much about that in this forum. The card "occupations" described in the example 11 for Al is not at all clear to me. What are those values mean. Looking forward to your help....<br>
<font color="#888888">
<br clear="all"><br>-- <br>U.Saibabu<br>PhD student,<br>Deformation mechanisms modeling group,<br>Materials engineering department,<br>IISc Bangalore,<br>India.<br><br>
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<br></blockquote></div><br><br clear="all"><br>-- <br>____________________________________<br>Hui Wang<br>School of physics, Nankai University, Tianjin, China<br>
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