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<div class=Section1>
<p class=MsoNormal><span lang=EN-US>Dear TRNSYS users,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I am currently running simulations on
TRNSYS<span style='color:black'>, which is connected</span> to an EES
calculation (Engineering Equation Solver) and I experienced some basic but
severe problems<span style='color:#1F497D'>.</span><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span
lang=EN-US><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span lang=EN-US>It seems that there is a maximum
number of EES-outputs, for EES as well as for TRNSYS. EES maximum:<span
style='color:#1F497D'> </span>in my case, the EES module does not calculate, if
there are more than 53 defined outputs (found out by trial&error). TRNSYS
maximum: the simulation stops after one simulation period if there are more
than 34 variables sent by EES to TRNSYS (found out by trial&error). Thus
one generally has to limit the number of EES outputs. <o:p></o:p></span></p>
<p class=MsoListParagraph><span lang=EN-US>Questions:<o:p></o:p></span></p>
<p class=MsoListParagraph><span lang=EN-US>1.1.Does this hold? <o:p></o:p></span></p>
<p class=MsoListParagraph><span lang=EN-US>1.2.If yes, why?<o:p></o:p></span></p>
<p class=MsoListParagraph><span lang=EN-US>1.3.Can I change or manipulate this?
AND <o:p></o:p></span></p>
<p class=MsoListParagraph><span lang=EN-US>1.4.If yes, how?<o:p></o:p></span></p>
<p class=MsoListParagraph><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span
lang=EN-US><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span lang=EN-US>If the simulation is running
(with less than or equal to 34 EES outputs), it is stopped after a time of 158
hours, which in my case corresponds to 3160 time steps. EES seems to stop the
simulation, showing the warnings “Out of system resources” and “CANVAS does not
allow drawing”. <o:p></o:p></span></p>
<p class=MsoListParagraph><span lang=EN-US>Presumably, the reason might be the
clipboard size, which is filled by too many symbols after the given period –
according to EES, there is indeed a maximum of some 65.000 symbols that can be
copied into the clipboard. If this holds, I am asking myself, if this is this
the maximum number of symbols for A) a single copy-operation or B) for the sum
of all copy-operations? Well, A) cannot be true, because I do not have such an
amount of symbols defined as output. But if B) turns out to be true, my
clipboard has to be deleted as soon as it gets full. Then, my questions would
be: <o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:54.0pt;text-indent:-18.0pt;
mso-list:l0 level2 lfo2'><![if !supportLists]><span lang=EN-US><span
style='mso-list:Ignore'>2.1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span
lang=EN-US>Can the clipboard be deleted automatically without stopping the
simulation? <o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:54.0pt;text-indent:-18.0pt;
mso-list:l0 level2 lfo2'><![if !supportLists]><span lang=EN-US><span
style='mso-list:Ignore'>2.2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span
lang=EN-US>It this is so, how?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Thank you for your help,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Sincerely yours<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Mathaeus Nierzwicki<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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