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</o:shapelayout></xml><![endif]--></head><body lang=EL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Dear Dr. Mohammad Abdunnabi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You can set the technical constraints of the optimization as cost penalties in the objective function to be minimized. We have done exactly what you want in the below paper, so that I am not writing everything again here:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.sciencedirect.com/science/article/pii/S0306261911003333">http://www.sciencedirect.com/science/article/pii/S0306261911003333</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>George Kyriakarakos</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-------------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>George Kyriakarakos, Agricultural Engineer<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>MSc Energy Systems & Renewable Energy Sources<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Agricultural University of Athens,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Dept. of Natural Resources and Agricultural Engineering<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Iera odos street, 75, Athens 11855, Greece<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Tel. +30.210.5294046 (direct), Fax: +30.210.5294023<o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Mobile +30.6942.046895<o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>e-mail: <<a href="mailto:gk@aua.gr"><span style='color:blue'>gk@aua.gr</span></a>><o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>--------------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> trnsys-users-bounces@cae.wisc.edu [mailto:trnsys-users-bounces@cae.wisc.edu] <b>On Behalf Of </b>mohammad abdunnabi<br><b>Sent:</b> Friday, October 21, 2011 5:21 PM<br><b>To:</b> TRNSYS USER<br><b>Subject:</b> [TRNSYS-users] TrnOpt, Is it Constrained or unconstrained optimisation technique<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div id=yiv1478836252><div><div><div id="yiv1478836252yui_3_2_0_13_131920315964043"><p class=MsoNormal>Dear Trnsys Users<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Does any body can confirm to me that all techniques provided in TrnOpt (genOpt) Trnsys component is unconstrained optimisation technique. this what I believe. if so, Plz if there is any way to run the optimisation with the the objective function as the cost function and to put constrains on the SF(solar faction of the system)?<o:p></o:p></p></div><div><p class=MsoNormal>The second question is that I've observed when I used weather external file by using Type 9a and radiation process Type 16i with the other components of thermosyphon system to complete the system and the optimisation componet TrnOpt there is an error although when I run it without the optimisation componet it's working fine. the error I get is:<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Exception in executing the simulation program<o:p></o:p></p></div><div><p class=MsoNormal>Current command String: 'C:\TRNSYS17\Exe\TRNEXE.EXE "C:\TRNSYS17\optimization\GENOPT\SIMULATION\GenoptInputFile.DCK" /n /WAIT '.<br>Exception message: <o:p></o:p></p></div><div><p class=MsoNormal>Error in executing the simulation program<br>Exit value of the simulation program: 1<br>Current command String : 'C:\TRNSYS17\Exe\TRNEXE.EXE "C:\TRNSYS17\optimization\GENOPT\SIMULATION\GenoptInputFile.DCK" /n /WAIT '.<br>Error stream of simulation program : Simulation program did not return an error stream.<o:p></o:p></p></div><div><p class=MsoNormal>GenOpt terminated with error.<br>See logfile for further information.<br><br><o:p></o:p></p></div><div><p class=MsoNormal>Does any body can help to identify the error, and also I didn't find the Logfile (is it List file)?<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div id="yiv1478836252yui_3_2_0_13_13192031596401409"><p class=MsoNormal>any help will be highly appertiated.<o:p></o:p></p></div><div id="yiv1478836252yui_3_2_0_13_131920315964047"><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US>Dr. Mohammad Abdunnabi<br id="yiv1478836252yui_3_2_0_13_131920315964052">Head of Thermal Energy conversion Department<br id="yiv1478836252yui_3_2_0_13_131920315964057">Center for Solar Energy Research and Studies (CSERS)<o:p></o:p></span></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal>Tripoli-Libya<br>P.O.Box: 12932<br>Tel.: +218 21 3699323<br>Fax.: +218 21 3699322<br>Office Phone: +218 21 7201993<br>Mobile Phone: +218 92 2256067<o:p></o:p></p></div></div></div></div></div></div></body></html>