<html 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=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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--></style></head><body lang=IT link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Good afternoon to all.</p><p class=MsoNormal>I want to write an equation with a division. My problem is that trnsys report me an error saying that the equation has a division by zero.</p><p class=MsoNormal>I put a condition (multiplying for an expression) that avoid the division by zero but it doesn’t work.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Someone could help me?</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks to all<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Inviato da <a href="https://go.microsoft.com/fwlink/?LinkId=550986">Posta</a> per Windows 10</p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='border:none;padding:0cm'><b>Da: </b><a href="mailto:d.bradley@tess-inc.com">David BRADLEY</a><br><b>Inviato: </b>martedì 3 maggio 2016 15:46<br><b>A: </b><a href="mailto:trnsys-users@lists.onebuilding.org">TRNSYS users mailing list at OneBuilding.org</a>; <a href="mailto:freppelw@noirot.fr">freppelw@noirot.fr</a><br><b>Oggetto: </b>Re: [TRNSYS-users] Weather time step</p></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal>Wirich,</p><p class=MsoNormal> There are two basic Types that can be used to read weather data. </p><p class=MsoNormal>Type15 is designed to read files that have a standard format (such as </p><p class=MsoNormal>TMY2 or TMY3). Part of the standard format is a 1-hour timestep. If you </p><p class=MsoNormal>modify a standard format weather file to have a different time step then </p><p class=MsoNormal>it can no longer be read by Type15. Type9 can be used to read general </p><p class=MsoNormal>weather data files. However, it does not have the solar radiation </p><p class=MsoNormal>processing algorithms built into it as Type15 does. You'll need to use </p><p class=MsoNormal>Type16 to process the results that are read by Type9.</p><p class=MsoNormal>kind regards,</p><p class=MsoNormal> David</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On 04/29/2016 09:20, freppelw@noirot.fr wrote:</p><p class=MsoNormal>> Hi everyone,</p><p class=MsoNormal>><o:p> </o:p></p><p class=MsoNormal>> As you know, the weather file for TRNSYS (TM2) is built with a 1 hour </p><p class=MsoNormal>> time step.</p><p class=MsoNormal>><o:p> </o:p></p><p class=MsoNormal>> My question is: If I modify the weather file so that I have a time </p><p class=MsoNormal>> step of 1 minute, would TRNSYS be able to execute the simulation? In </p><p class=MsoNormal>> this case, is there a time step value to change in the program or is </p><p class=MsoNormal>> it totally impossible?</p><p class=MsoNormal>><o:p> </o:p></p><p class=MsoNormal>> Thanks in advance.</p><p class=MsoNormal>><o:p> </o:p></p><p class=MsoNormal>> Wirich</p><p class=MsoNormal>> _______________________________________________</p><p class=MsoNormal>> TRNSYS-users mailing list</p><p class=MsoNormal>> TRNSYS-users@lists.onebuilding.org</p><p class=MsoNormal>> http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org</p><p class=MsoNormal>><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>-- </p><p class=MsoNormal>***************************</p><p class=MsoNormal>David BRADLEY</p><p class=MsoNormal>Principal</p><p class=MsoNormal>Thermal Energy Systems Specialists, LLC</p><p class=MsoNormal>22 North Carroll Street - suite 370</p><p class=MsoNormal>Madison, WI 53703 USA</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>P:+1.608.274.2577</p><p class=MsoNormal>F:+1.608.278.1475</p><p class=MsoNormal>d.bradley@tess-inc.com</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>http://www.tess-inc.com</p><p class=MsoNormal>http://www.trnsys.com</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>_______________________________________________</p><p class=MsoNormal>TRNSYS-users mailing list</p><p class=MsoNormal>TRNSYS-users@lists.onebuilding.org</p><p class=MsoNormal>http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org</p><p class=MsoNormal><o:p> </o:p></p></div></body></html>