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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Dear Trnsys users,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>For running my optimization (GenOpt + Trnsys), I need to define two types of following constraints for independent variables to be optimized:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Variables to be optimized are: x, y and z<o:p></o:p></span></p><p class=MsoNormal><b><span style='color:#1F497D'>Constraints:<o:p></o:p></span></b></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><b><span style='color:#1F497D'><span style='mso-list:Ignore'>1-<span style='font:7.0pt "Times New Roman"'> </span></span></span></b><![endif]><b><span style='color:#1F497D'>Boundary constraints: 0<x<20, 0<y<20, 0<z<20<o:p></o:p></span></b></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><b><span style='color:#1F497D'><span style='mso-list:Ignore'>2-<span style='font:7.0pt "Times New Roman"'> </span></span></span></b><![endif]><b><span style='color:#1F497D'>Equality constraints: x*y*z=1000<o:p></o:p></span></b></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>To this end, I could make the boundary constraints in command file <b>but I could not find a solution to define equality constraints</b>.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I would appreciate if you could let me know how I can define equality constraints within GenOpt or Trnsys.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Best regards,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Reza Safi<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>_____________________________________________<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Division Thermal Systems and Buildings<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Fraunhofer-Institut für Solare Energiesysteme ISE<o:p></o:p></span></p></div></body></html>