[TRNSYS-users] Numerical differential Equation solver

Max Werlein maxwithhat at hotmail.com
Mon Jul 7 09:50:29 PDT 2008



Dear Transys users, 

I am creating a model using
differential equations. I use the DTDT()= function Method so as to
solve them Numerically. My model is suposed to be only SI units and
that for i'd love the Transys solver to solve them in seconds. The
problem is that TRANSYS is automatically converting the the TIME to hr
and thus my simulation is wrong. My question is how can I tell TRANSYS
to use seconds as the calculation unit. 

Further more I just
realized there are three diffrent method for solving the differential
equations. How do i switsch the method?

An last but mot least I love to now in which way i have to adapt my types so as to be able to use Powell's Method

Thank you very much

max
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