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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Dear all,<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 trying to use Genopt in order to optimize the massflow of a heatpump.<o:p></o:p></span>
</p><p class=MsoNormal><span lang=EN-US>Everything works out well and Genopt is calculating. But the result after every<o:p></o:p></span>
</p><p class=MsoNormal><span lang=EN-US>Simulation step is “0.00”. At the end the optimum is the input value. First I thought<o:p></o:p></span>
</p><p class=MsoNormal><span lang=EN-US>the problem is that the cost function is not depending on the variables so I tried<o:p></o:p></span>
</p><p class=MsoNormal><span lang=EN-US>a equation like this:<o:p></o:p></span>
</p><p class=MsoNormal><span lang=EN-US>Ppumpe_eff = Phydr/0.25*factor<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>Where “factor” is the only variable. But still the result after the different simulations<o:p></o:p></span>
</p><p class=MsoNormal><span lang=EN-US>Is “0.00” and the optimum is the input value.<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>Does anyone know what is my mistake?<o:p></o:p></span>
</p><p class=MsoNormal><span lang=EN-US>Would really appreciate 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>Thanks in advance,<o:p></o:p></span>
</p><p class=MsoNormal><span lang=EN-US>Best,<o:p></o:p></span>
</p><p class=MsoNormal><span lang=EN-US>Johannes Gantner<o:p></o:p></span>
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