I am trying to do window/wall ratio optimization with electrical energy use as fitness function. I want to take cooling, heating and lightning energy into account. For artificial light “sizing” I wanted to use workflow from this file. I started a thread about this here.
Browsing through components i found out that “setEPZoneThresholds” that I can set an illuminance set point for zones, as well as daylight control points. I set all my window/wall ratios to 25% (N,S,E,W) and although annual lightning energy use differs from core zone (no windows), the results for perimeter zones are suprisingly close to each other. For example the difference between norh and south zones is around 3%, and I would expect a much higher value.
Changing the window/wall ratio and adding some context defienately influences results, but these seem to be the only influential factors. Why is that so? Does Daysim take only only window size as a factor in this calculation?
Below i post image of energy use for lightning comparison and definition i used for the test. As I am a beginner it is highly possible i made a mistake somewhere. I kindly ask you to review it if possible.
test openstudio daylight.gh (642.5 KB)
Thank you for your time and help!