Surface matching/ project loose geometry bug

asked 2015-09-29 13:00:10 -0600

helia.taheri
51 ●1

updated 2015-09-29 13:27:56 -0600

__AmirRoth__

4446 ●5 ●17 http://bleedinggreenna...

Hi,

I am teaching openstudio in a energyplus workshop, but it has problems in match surfaces and I am very sad for this. There are many students who has this problem, when they push match surfaces, the openstudio doesn't distiguish some surfaces which have surface outside boundary condition, what is the problem with that? And when they use project loose geometry for drawing subsurfaces, some of them doesnt draw as a window. What is the problem with that?

Wait for your answer eagerly,.

Thanks for your attention, Best Helia Taheri

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Try using the match surfaces measure in the OpenStudio application described in this post. It will intersect base surface geometry but won't intersected interior doors and windows. You may consider removing the interior doors and windows unless they serve a specific purpose.

David Goldwasser ( 2015-09-29 13:45:27 -0600 )edit

David, Thanks for your answer. But I dont understand surface matchind measure. Where I should downlowd or use it. Thanks, Helia

helia.taheri ( 2015-09-30 10:54:20 -0600 )edit

Choose "Find Measure" under the "Components & Measures". Menu Then search for "Surface Matching" in Envelope/Form and download the measure.

Once you download the measure you apply it through the OpenStudio applciation as described on this page.. There is a checkbox measure argument that tells the measure to run intersection.

David Goldwasser ( 2015-09-30 11:24:28 -0600 )edit

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Thanks for your answer. I used surface mafchinfpg after intersect entire model. But sone times it had bugs. And students were sad about this! I want to know why it is like that. Best, Helia

helia.taheri ( 2015-09-30 10:58:57 -0600 )edit

Thanks for the reply, I assume you mean that the surface intersection had bugs, typically surface matching works if the intersection happened correctly. Is that right?

Surface intersection is a very difficult problem. The OpenStudio intersection methods work in many cases but not all. There is considerable interest in this functionality so we will continue working on it but it will take time. In the meantime it is good to file github issues with links to files that have intersection problems so we can determine which cases fail and try to fix those cases.