RE: Re: [EnergyPlus_Support] Selective Shadowing Calculations

[<jeannieboef@xxxxxxxxx>]

Yeah, that's fine...I also do this for the trees...I just don't want to apply it to the rest of the model, which has no varying transmittance for example.

 

---In EnergyPlus_Support@xxxxxxxxxxxxxxx, <energyplus_support@xxxxxxxxxxxxxxx> wrote:

Jean,

 I typically just schedule it and turn on detailed defuse modeling such as pasted below..  Did you have something different in mind? 

Name DeciduousTree

Schedule Type Limits Name Fraction

Field 1 Through: 31 Mar

Field 2 For: AllDays

Field 3 Until: 24:00

Field 4 0.9

Field 5 Through: 30 Sep

Field 6 For: AllDays

Field 7 Until: 24:00

Field 8 0.3

Field 9 Through: 30 Oct

Field 10 For: AllDays

Field 11 Until: 24:00

Field 12 0.2

Field 13 Through: 30 Nov

Field 14 For: AllDays

Field 15 Until: 24:00

Field 16 0.1

Field 17 Through: 31 Dec

Field 18 For: AllDays

Field 19 Until: 24:00

Field 20 0.9

Calculation Method AverageOverDaysInFrequency

Calculation Frequency 20

Maximum Figures in Shadow Overlap Calculations 15000

Polygon Clipping Algorithm SutherlandHodgman

Sky Diffuse Modeling Algorithm DetailedSkyDiffuseModeling

Jeremiah D. Crossett  | Senior Analyst  |  Phase Change Energy Solutions

120 E. Pritchard St.  | Asheboro, NC 27203  | Mobile 503-688-8951

www.phasechange.com 

  

On Tue, Nov 5, 2013 at 12:45 AM, <jeannieboef@...> wrote:

 

Dear group,

Is it possible to apply different shading calculation options to different casting / receiving surface groups? For example, I have a many facetted "tree", where I would like to switch off the mirror shading surface and increase the overlapping shadows for just these surfaces of the tree.

Kind regards,

Jean

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