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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Dear Sir/Madam,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I am a researcher from Nottingham, UK. Thanks for the free Gmsh software.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I am currently working on a project which is about the ground-coupled heat exchanger model. The model is used to simulate the heat transfer process of surrounding soil of the circular pipe, where heat is extracted or generated within the circular pipe. I will need to write a code (in C++) to simulate the transient heat transfer for the pipe (i.e. circular cylindrical) within soil (i.e. rectangular domain model).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Because I have little experience in using the Gmsh software to generate mesh and also a beginner of using C++ programming language, I am writing you to ask for advice on the solutions to the following problems or giving me some ideas about how to solve the problems. I have produced the model and its mesh. Please see attached the file.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>The following are my problems which I need your advice on:-<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>(1) After the mesh has been generated, can I read or view the mesh code/source coordinate data?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>(2) Once I have got the mesh code/source coordinate data, how would I be able to transfer or link these data into my C++ program?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>As mentioned, I will be using transient heat transfer equation in cylindrical polar coordinate system to determine the heat transfer effect of the circular pipe. The equation shows as below:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoBodyText style='line-height:150%'><span style='position:relative;top:14.0pt;mso-text-raise:-14.0pt'><img width=235 height=47 id="_x0000_i1025" src="cid:image001.gif@01CBF2E5.30166E00"></span><span lang=EN-GB><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Another thing is that, I have downloaded the Gmsh 2.5.0 Source Code from your website, and I am wondering how I shall read this source code, and whether I can link/use one of the codes into my simulation model (or mesh model) from the Source Code?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>It would be very much appreciated if you can advise on the above questions. Once again, thank you for your help and look forward to hearing from you soon.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Kind regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal align=left style='text-align:left;background:white'><b><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Anthony Chong <o:p></o:p></span></b></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4F81BD'>Research Fellow</span></i><i><span lang=EN style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#4F81BD'><o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4F81BD'>Department of Architecture and Built Environment<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4F81BD'>Faculty of Engineering<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4F81BD'>The University of Nottingham<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4F81BD'>University Park<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4F81BD'>Nottingham<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4F81BD'>NG7 2RD, UK<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4F81BD'><o:p> </o:p></span></i></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4F81BD'>Tel: +44 (0)115 846 7132<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left;background:white'><i><u><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#0066CC'><a href="mailto:anthony.chong@nottingham.ac.uk"><span style='color:#0066CC'>anthony.chong@nottingham.ac.uk</span></a></span></u></i><i><u><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></u></i></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p></div><br/>
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