[TRNSYS-users] problems with update TRNSYS3d file

[Sofie Van den Bergh]

Dear,

I made a sketchup .idf model that I am using for Trnsys calculations. In TRNBUILD I assigned wall and window types, as well as infiltration heating etc.. Now I want to change my sketchup model because some zones don't have the correct boundary assigned (e.g. exterior or adjacent wall) and I want to add an additional zone.

I try to do this by clicking "update TRNSYS3d File" in TRNBUILD. Then I select the corresponding TRNSYS3d File (*_b17.idf)" and save in the second line as TRNSYS3d File (*_update.idf). I then close TRNBUILD and open the *_update.idf file in sketchup. However, when opening the file, the entire model has changed, shadow objects are missing and windows are partly deleted. The following error-message also shows:
[cid:image001.png at 01CDECF5.562D6290]

Does anyone know what could have happened here. What should I do to avoid this?

Is there an alternative way to change the boundary and wall types without changing the sketchup model?
Thank you in advance for you answer.


ir.-arch. Sofie Van Den Bergh
Project Engineer MEP

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