BEopt Absorption Heat Pump modeling

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Hello, I'd like to see if anyone has suggestions as to how to model an Absorption Heat Pump as a heating source for BEopt? I am attempting to do this for a data research project, and have little background in the thermodynamic underpinnings involved. The information I have available are the performance curves of heat pumps (COP vs Hydronic Supply and Ambient Temp; Heating Duty vs Hydronic Supply and Ambient Temp).

I'm hoping to somehow write an add-on to BEopt so that I can use the information I have and run it through the model, without having to do a hand-calculation for every location.

Any help, suggestions, or recommendations would be greatly appreciated. Thank you in advance.