Hi
I'm a student at Aarhus University in Denmark. I'm trying to create a Contam model, where I have a section of a building with an atrium, where I want to use natural ventilation during summer to ventilate the rooms.
I use Contam3.1 and TRNSYS 17 to couple Type56 and Type98 with each other. The coupling is going as planned. I have used constant controllers in Contam to get manual inputs, so I can vary the opening area of my paths. When I manually set the inputs from the controllers to have a value (e.g. 1) in Type98 everything is well (I get values of the flow), and when I try to connect it to an equation with a constant value, I still have a flow. But when I connect the input values to an equation with a variable value (e.g. from 1 if the outdoor temperature is 17C and above and 0 otherwise) I don't get any flow (looking over 8760 hr) - it is as if it can't read variable values.
Now when I copy everything but just use Type97 instead of Type98 and use a variable input value for the controller I get a flow. The only thing is, I get a convergence error because the Type56 isn't converging. This gives me some pretty huge errors when I compare my TRNSYS-Type98 model with TRNSYS-Type97 model.
My questions is, I really want to use Type98, is there any way I can fix the problems with the model not accepting variable input-control-signals? and if nothing can be done, how can I fix the convergence problem?
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Med venlig hilsen
Donya Sheikh Khan