ERROR: Surface Openings have too much area for base surface

asked 2015-04-16 23:25:41 -0600

I had developed a model for OpenStudio in SketchUp. On running the OpenStudio simulation, the following errors cropped up.

* Severe * GetHTSubSurfaceData: Surface Openings have too much area for base surface=SURFACE 10 * ~~~ * Opening Surface creating error=SUB SURFACE 5 * Severe * GetHTSubSurfaceData: Surface Openings have too much area for base surface=SURFACE 10 * ~~~ * Opening Surface creating error=SUB SURFACE 6 * Severe * GetHTSubSurfaceData: Surface Openings have too much area for base surface=SURFACE 10 * ~~~ * Opening Surface creating error=SUB SURFACE 7 * Severe * GetHTSubSurfaceData: Surface Openings have too much area for base surface=SURFACE 10 * ~~~ * Opening Surface creating error=SUB SURFACE 8 * Severe * GetSurfaceData: Zero or negative surface area[-19.83093], Surface=SURFACE 10

Note: Here SURFACE 10 is a Wall and SUB SURFACE 5,6,7 and 8 are FENESTRATIONS (doors and windows). The model looks fine in SketchUp, with the Subsurfaces comfortably sitting on the Surface 10. Pls help.

Thanks

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Sounds odd. You may want to try out the diagnostic script described hereand see if that fixes the issue. If not then email the file to OpenStudio@NREL.gov and we can take a look at it.

David Goldwasser ( 2015-04-17 09:41:58 -0600 )edit

@David Goldwasser @dhruv Has this error been fixed? I imported gbXML from Revit and had a bunch of errors - "Surface has two adjacent space", Surface was not translated into space, etc. Is there instructions or post on how to convert revit to gbxml and import the same in Open Studio. I followed the one herelink text but stil getting errors. Is there an easier workflow for this? Thanks

Ranjani ( 2019-02-18 13:42:47 -0600 )edit

@David Goldwasser Any updates?

Ranjani ( 2019-02-27 23:52:09 -0600 )edit

@Ranjani, this post of yours is more relevant you don't seem to be getting the error that this user was seeing.

David Goldwasser ( 2019-02-28 11:35:24 -0600 )edit

@David Goldwasser While I run the simulation, I do get this error and the simulation fails.

Ranjani ( 2019-02-28 11:40:42 -0600 )edit

see more comments

answered 2015-07-24 23:15:15 -0600

rraustad

13834 ●79 ●12 http://www.fsec.ucf.edu/

The total door + window area is greater than the base surface area (by almost 20 sq meters). If the excess fenestration area were small, I would recommend that the total fenestration dimensions are at least 1 mm less than the base surface. However, since the negative area is almost 20 sq meters, I'd say that there is an error in the dimensions that is not apparent when viewing the 3-D geometry. Do not use the graphical view to determine the geometry. Instead use the Surface Details Report to view the geometry.

Add:

Output:Surface:List, Details; or
Output:Surface:List, Vertices; or
Output:Surface:List, DetailsWithVertices;

to your input file. See OutputDetailsAndExamples document for more details on surface reporting.

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ERROR: Surface Openings have too much area for base surface