Trace shading - multiple Horizontal fins

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How do you model multiple rows of horizontal fins in trace?

Thanks

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Have you checked out this blog?

http://energy-models.com/blog/11-11-10/simplifying-shading-equest-and-trace-700

Basically, through geometry, you should be able to simplify the multiple fins into one larger fin by finding the angle where you have a total eclipse of the window in reality. Then work backwards to find a single fin that eclipses it at the same angle.

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Joe
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