<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:DengXian;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"\@DengXian";
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"\@SimSun";
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
font-size:11.0pt;
font-family:DengXian;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.WordSection1
{page:WordSection1;}
--></style>
</head>
<body lang="ZH-CN" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Dear FLASH users and developers,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">I am having a problem was a laser slab simulation in 2D in cartesian. The
</span><span style="font-size:12.0pt">“<span lang="EN-US">example.par</span>”<span lang="EN-US"> simulation in LaserSlab represents the cylindrical. I</span>’<span lang="EN-US">d like to transfer this simulation to cartesian and hope to get similar results
because only cartesian could simulate the colliding plasma. However, the electron temperature (Te) in cartesian is lower one magnitude compared to cylindrical (see the attachment).<o:p></o:p></span></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Below is the main edits that I made to give a cartesian simulation.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:12.0pt">example-cyl.par (example.par)
</span></b><span lang="EN-US" style="font-size:12.0pt">
<b>example-car.par</b><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">ed_laser3Din2D = .true. --> ed_laser3Din2D =.false.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">ed_lensZ_1 = -1000.0e-04 --> ed_lensY_1 = -1000.0e-04<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">ed_targetZ_1 = 60.0e-04 --> ed_targetY_1 = 60.0e-04<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">ed_crossSectionFunctionType_1 = "gaussian2D" --> ed_crossSectionFunctionType_1 = "gaussian1D"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">ed_gridType_1 = "radial2D" --> ed_gridType_1 = "statistical1D"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">rt_mgdXlBoundaryType = "reflecting" --> rt_mgdXlBoundaryType = "vacuum"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">rt_mgdYrBoundaryType = "reflecting" --> rt_mgdYrBoundaryType = "vacuum"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">xl_boundary_type = "reflect" --> xl_boundary_type = "outflow"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">geometry = "cylindrical" --> geometry = "cartesian"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">xmin = 0.0 --> xmin = -40.0e-04<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">In the cylindrical, the beam crossection is a 2D gaussian distribution, so the
</span><span style="font-size:12.0pt">“<span lang="EN-US">ed_power_</span>”<span lang="EN-US"> is calculated in double integral. However, in the cartesian, the beam crossection is a 1D gaussian distribution, so the
</span>“<span lang="EN-US">ed_power_</span>”<span lang="EN-US"> should be the single integral from -Rx to Rx shown below formula:<o:p></o:p></span></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><img width="205" height="78" style="width:2.1333in;height:.8166in" id="Picture_x0020_3" src="cid:image002.png@01D8DE90.942A59D0"></span><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Please let me know if more edits were needed for the conversion from cylindrical to cartesian or something wrong for the laser power calculation in cartesian.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Thanks. I would appreciate for your any help or suggestions.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Yaoxing Wu<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Huazhong University of Science and Technology<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun"><o:p> </o:p></span></p>
</div>
</body>
</html>