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[EnergyPlus_Support] Re: Outward Facing Angle for a subsurface



Thanks a lot Richard. I did this and it worked with no warnings.

Phil.

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Richard Raustad <RRaustad@...> wrote:
>
> This one might be because the lowest coordinates of the door (0.000000) 
> is the same as the wall. The door is not "enclosed" by the wall. Try 
> making the lowest door coordinate (0.000001). You might have to raise 
> the door as high a 1 mm (0.001) to make this work. You can also raise 
> the top of the door to keep the same dimension. As in the last email, 
> you can split up the surface into 2 or more surfaces so that the door is 
> within a 4-point surface. And yes, you can ignore this warning but it is 
> always better to eliminate all warnings.
> 
> FenestrationSurface
> 
> :Detailed,
> ZnWare:E_Wall:Roller_Door, !- Name
> Door, !- Surface Type
> Exterior Roller Door, !- Construction Name
> ZnWare:E_Wall, !- Building Surface Name
> , !- Outside Boundary Condition Object
> , !- View Factor to Ground
> , !- Shading Control Name
> , !- Frame and Divider Name
> , !- Multiplier
> 4, !- Number of Vertices
> 65.000000, 66.106057, 6.000000, !- X,Y,Z 1 {m}
> 65.000000, 66.106057, 0.000001, !- X,Y,Z 2 {m}
> 65.000000, 74.106057, 0.000001, !- X,Y,Z 3 {m}
> 65.000000, 74.106057, 6.000000; !- X,Y,Z 4 {m}
> 
> -OR-
> 65.000000, 66.106057, 6.001, !- X,Y,Z 1 {m}
> 65.000000, 66.106057, 0.001, !- X,Y,Z 2 {m}
> 65.000000, 74.106057, 0.001, !- X,Y,Z 3 {m}
> 65.000000, 74.106057, 6.001; !- X,Y,Z 4 {m}
> philcook76 wrote:
> >
> >
> > Thanks a lot Richard. You were exactly right. I moved the first two 
> > points to the end of the list and the problems stopped.
> >
> > Now I am getting a warning that the doors contained within a wall are 
> > not fully enclosed. Should I just ignore this warning? I have enclosed 
> > a relevant extract from the IDF file.
> >
> > Phil
> >
> > BuildingSurface:Detailed,
> > ZnWare:E_Wall, !- Name
> > Wall, !- Surface Type
> > Exterior Wall, !- Construction Name
> > WarehouseZone, !- Zone Name
> > Outdoors, !- Outside Boundary Condition
> > , !- Outside Boundary Condition Object
> > SunExposed, !- Sun Exposure
> > WindExposed, !- Wind Exposure
> > , !- View Factor to Ground
> > 8, !- Number of Vertices
> > 65.000000, 65.000000, 8.373503, !- X,Y,Z 3 {m}
> > 65.000000, 65.000000, 0.000000, !- X,Y,Z 4 {m}
> > 65.000000, 75.000000, 0.000000, !- X,Y,Z 5 {m}
> > 65.000000, 75.000000, 8.000000, !- X,Y,Z 6 {m}
> > 65.000000, 70.323463, 10.700000, !- X,Y,Z 7 {m}
> > 65.000000, 70.323463, 8.000000, !- X,Y,Z 8 {m}
> > 65.000000, 65.646926, 10.700000, !- X,Y,Z 1 {m}
> > 65.000000, 65.646926, 8.000000; !- X,Y,Z 2 {m}
> >
> > FenestrationSurface:Detailed,
> > ZnWare:E_Wall:Roller_Door, !- Name
> > Door, !- Surface Type
> > Exterior Roller Door, !- Construction Name
> > ZnWare:E_Wall, !- Building Surface Name
> > , !- Outside Boundary Condition Object
> > , !- View Factor to Ground
> > , !- Shading Control Name
> > , !- Frame and Divider Name
> > , !- Multiplier
> > 4, !- Number of Vertices
> > 65.000000, 66.106057, 6.000000, !- X,Y,Z 1 {m}
> > 65.000000, 66.106057, 0.000000, !- X,Y,Z 2 {m}
> > 65.000000, 74.106057, 0.000000, !- X,Y,Z 3 {m}
> > 65.000000, 74.106057, 6.000000; !- X,Y,Z 4 {m}
> >
> > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx 
> > <mailto:EnergyPlus_Support%40yahoogroups.com>, Richard Raustad 
> > <RRaustad@> wrote:
> > >
> > > If you look at the first 3 points in the BuildingSurface:Detailed
> > > object, they are described opposite in direction to the fenestration
> > > coordinates which may be confusing E+. I'm not sure of this, but you
> > > could also try using point 3 as the first point in the list where point
> > > 1 and 2 would be listed last. You could also try splitting up the
> > > surface into 2 or more surfaces where the fenestration surface is
> > > "within" the boundary of a 4-point surface.
> > >
> >
> > 
> 
> -- 
> Richard A. Raustad
> Senior Research Engineer
> Florida Solar Energy Center
> University of Central Florida
> 1679 Clearlake Road
> Cocoa, FL  32922-5703
> Phone:   (321) 638-1454
> Fax:     (321) 638-1439 or 1010
> Visit our web site at: http://www.fsec.ucf.edu
> 
> UCF - From Promise to Prominence: Celebrating 40 Years
>




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