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-   -   Sun position (http://www.cfd-online.com/Forums/star-ccm/107912-sun-position.html)

hyderkhan74 October 9, 2012 08:49

Sun position
 
Hi

Star CCM+ decide the sun position according to the both of Azimuth and Altitude angles ,the axes for these angles is the XY earth plane and the Z toward sky. My question is where is the centre point for those two angles ,is it on the centre of domain or in another place .
Thanks in advance :p

abdul099 October 10, 2012 18:25

Solar radiation is nearly parallel, so I assume there is no center needed.


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