Re: [TRNSYS-users] Mask

[David Bradley <bradley@tess-inc.com>]

Gizmoog,
 As far as the beam radiation is concerned, you can use the
combination of Type67 and Type34 to define the inverse of your
mask:

> inside                                
> outside
>            
> _________________
>            
> |                          
>            
> |                          
>            
> |                          
>            
> |                          
> |
>            
> |                          
> |
>            
> |                          
> |

where Type34 defines the overhang and Type67 defines the inverse of your
real mask. Type67 has outputs for whether the beam radiation is visible
or not. The output BeamFraction is 0 if beam radiation is blocked and 1
if the beam radiation is not blocked. In your case, you will multiply the
unshaded beam radiation by (1-BeamFraction).
You might be able to handle the diffuse radiation in a similar
manner.
Cheers,
 David


At 08:53 8/28/2007, gizmoog wrote:
> Dear users,
>
> I try to model a mask but I don't know how to do: my mask is vertical,
> at the end of an overhang :
>
>
> inside                                
> outside
>            
> _________________
>            
> |                          
> |
>            
> |                          
> |
>            
> |                          
> |
>             |
>             |
>            
> |
>
> Does anybody know how to model that ?
>
> regards,
>
> gizmoog
>
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> TRNSYS-users mailing list
> TRNSYS-users@engr.wisc.edu
> https://www.cae.wisc.edu/mailman/listinfo/trnsys-users

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