Question-and-Answer Resource for the Building Energy Modeling Community
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The methodology for how Elements keeps the Global, Beam, and Diffuse components of solar radiation in balance is written out here -- if you have additional questions not addressed by that post, please let us know:
https://unmethours.com/question/39380/which-method-does-elements-use-to-split-global-solar-radiation-into-direct-and-diffuse/?answer=39384#post-id-39384
Just looking at your screen shot, it appears that the diffuse component of your solar is quite large as compared to your beam normal (direct) solar radiation (which is also what the simulation is saying); that might be possible under cloudy conditions but if you are adjusting the total global solar radiation and you want to keep the same normal to diffuse ratio as the source EPW, please use the "Beam Fraction of Total" under "variables to hold constant" when adjusting the Global Solar amount.
If you believe you've found a bug, please let us know by sending a bug report to the support email for Elements found here: https://bigladdersoftware.com/projects/elements/
