Envelope section failed and was skipped

asked 2016-02-09 17:40:46 -0600

maesthercc
41 ●1

updated 2019-02-11 10:07:15 -0600

Aaron Boranian

14155 ●83 ●24 http://bigladdersoftware.com/

When running the simulation, this part of it doenst generate results and says the following:

Envelope section failed and was skipped because: Optional not initialized. Detail on error follows.

["C:/Users/JGC/AppData/Local/Temp/OpenStudio.ba5456/resources/run/6-UserScript-0/mergedjob-1/user_script.rb:158:in eval'\nC:/Users/JGC/AppData/Local/Temp/OpenStudio.ba5456/resources/run/6-UserScript-0/mergedjob-1/resources/os_lib_reporting.rb:1608:inblock in envelope_section_section'\nC:/Users/JGC/AppData/Local/Temp/OpenStudio.ba5456/resources/run/6-UserScript-0/mergedjob-1/resources/os_lib_reporting.rb:1603:in each'\nC:/Users/JGC/AppData/Local/Temp/OpenStudio.ba5456/resources/run/6-UserScript-0/mergedjob-1/resources/os_lib_reporting.rb:1603:inenvelope_section_section'\n(eval):1:in block in run'\nC:/Users/JGC/AppData/Local/Temp/OpenStudio.ba5456/resources/run/6-UserScript-0/mergedjob-1/user_script.rb:158:ineval'\nC:/Users/JGC/AppData/Local/Temp/OpenStudio.ba5456/resources/run/6-UserScript-0/mergedjob-1/user_script.rb:158:in block in run'\nC:/Users/JGC/AppData/Local/Temp/OpenStudio.ba5456/resources/run/6-UserScript-0/mergedjob-1/user_script.rb:153:ineach'\nC:/Users/JGC/AppData/Local/Temp/OpenStudio.ba5456/resources/run/6-UserScript-0/mergedjob-1/user_script.rb:153:in run'\nmergedjob-0/in.rb:387:in '"]

What can I do???????? Please help

Maria

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answered 2016-02-09 20:19:46 -0600

David Goldwasser

20405 ●94 ●14 http://www.openstudio.net/

updated 2016-02-09 20:24:36 -0600

It's failing on this line.

thermal_conductance = construction.thermalConductance.get

The last time I saw that happen is when an air wall was used on the exterior of the building (which shouldn't generally shouldn't be done). For any model that ran through EnergyPlus we generally should be able to calculate thermal conductance. Another possible cause could be special characters in particular an apostrophe in the construction name.

Here is an issue about air walls related to this.

And here is a link to the issue about the apostrophe.

Also the current code handles this in an if statement so if it can't find thermal conductance it will just show a blank value and will continue to process the rest of the envelope table. The latest iteration install should have this fix.

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