Solution exception:No file was found at C:\...\openstudio\out.osw

chris · April 28, 2025, 7:38pm

Yes, here is your answer, @Alakelele :

As always, the updates to new versions of OpenStudio/E+ are incremental and not a dramatic improvement. But lots of incremental improvements over several years will add up so we try to keep things in sync when we can.

Sorry that I missed seeing this a year and a half ago, @Volker . It probably should have been posted to a new topic since this one has become a dumping ground for a bunch of different issues that people had.

The particular segmentation fault in your case @Volker is happening on this line of code when we try to make a ThermalZone:

github.com

ladybug-tools/honeybee-openstudio-gem/blob/master/lib/to_openstudio/geometry/room.rb#L79


      
              os_space.setSpaceType(new_space_type)
              @unique_space_type = new_space_type
            end
            @unique_space_type
          end
          
          def to_openstudio(openstudio_model)
            # create the space and thermal zone
            os_space = OpenStudio::Model::Space.new(openstudio_model)
            os_space.setName(@hash[:identifier] + '_Space')
            os_thermal_zone = OpenStudio::Model::ThermalZone.new(openstudio_model)
            os_thermal_zone.setName(@hash[:identifier])
            os_space.setThermalZone(os_thermal_zone)
            unless @hash[:display_name].nil?
              os_space.setDisplayName(@hash[:display_name])
              os_thermal_zone.setDisplayName(@hash[:display_name])
            end
          
            # assign the multiplier
            if @hash[:multiplier] and @hash[:multiplier] != 1
              os_thermal_zone.setMultiplier(@hash[:multiplier])

Something is going wrong pretty deeply in the OpenStudio SDK source code that is probably beyond the Ladybug Tools side of things. Assuming that this is the same error that you get on every model that you try to create with OpenStudio, we may just need to ask the OpenStudio developers what is going on through either the UnmetHours forum or the OpenStudio GitHub.