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« AECbytes Post on Autodesk's 2014 Building Design Suite | Main | Vasari Talk 28: Default Inputs for Energy Analysis »

Sunday, April 28, 2013

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David Scheer

Check out this video of a daylighting workflow done by another user: http://www.youtube.com/watch?v=A79UBfAkfCg&list=PL3GQn2poifA2L2CI0GFrEB-639076W2MJ

Tomislav Zigo

It might be worth mentioning that the accuracy of these results, greatly depends on reflectivity and absorption indexes of the materials used in a scene being analyzed. One should not expect viable results if material in the model are not configured accordingly.
http://www.physicsclassroom.com/Class/light/u12l2c.cfm

Also, new LEED guidelines are calling for much lower fc values, I believe as low as 15 fc at 30" above the floor.

David Scheer

Tomislav. Thanks for the good reference. We are working on a new article about accuracy and sensitivity of the illuminance results, and some validation work we have done that addresses just what you are referring to here. Stay tuned in the next week or so.
- David

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