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RE: [EnergyPlus_Support] EnergyPlus Sketchup workflow





The legacy OpenStudio plugin does no checking of surface names, so I’ve seen it cause problems with windows “popping” off surfaces when surface names are not unique.  Unhelpfully sketchup tries to check geometry on import, so I use an RCS tool (I choose the FOSS tool git) in combination with the others to only check in (accept) changes to parts of the model that I want.

 

That said I use a combination of;

 

sketchup (with legacy plugin)

 

gitscm (https://git-scm.com/), great for managing branches, diffs between different model configurations etc

 

designbuilder � typically for first pass HVAC syystems

 

sefaira (http://sefaira.com/) revit plugin and web interface which allows me to take a revit file model import the envelope into sefaira and then extract the idf file from the webinterface and use in other tools

 

custom c code for generating HVAC descriptions for large systems, and complex geometry that “confuses” the other tools, i.e the designbuilder geometry modeller has relatively easy to encounter limitations

 

notepad++

 

The main consideration for tool use and position in a workflow is the ability to read an idf file, many tools are able to write idf files but not many are able to read in idf files so you inevitably end up in a text editor.

 

Mark Carey  |  Mechanical Engineer

 

Powell Fenwick Consultants Ltd

Cnr Bealey Ave & Churchill St

P O Box 25 108, Christchurch 8144

P: (03) 366-1777 | M: 021 135 5335 | E: markc@xxxxxxxxx | W: www.pfc.co.nz

 

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From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx]
Sent: Thursday, 18 June 2015 2:35 a.m.
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: RE: [EnergyPlus_Support] EnergyPlus Sketchup workflow

 

 

The Legacy OpenStudio plugin for Sketchup can make geometry easier, but beware that reopening and modifying files can be problematic in my experience.  I find that some geometry can get lost or confused or that some objects slip away.  I try to do all the geometry in one session and then do the rest of the work in the IDF editor.  I often open IDF files sent to me for review in Sketchup to review geometry, but I find modifying and saving changes with Sketchup is not reliable.  Perhaps that is because I use an older version of Sketchup�

 

Ned Lyon, P.E. (MA, WV)
Staff Consultant

SIMPSON GUMPERTZ & HEGER
781.907.9000 main
781.907.9350 direct 
617.285.2162 mobile 
781.907.9009 fax
www.sgh.com

 

From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx]
Sent: Wednesday, June 17, 2015 8:58 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] EnergyPlus Sketchup workflow

 

 

Hey, I need help for my Phd thesis where I want to simulate buildings in EnergyPlus. So my question is what is the common work-flow for modeling a building regarding geometry, materials and weather data. I tried to built a model in Legacy OpenStudio sketchUp plugin but I dont know how to put parameters of materials into the model. Is the sketchUp plugin only used for geometrics or is it also possible to include material parameters in SketchUp? Or do I have to export geometric data from Sketchup to OpenStudio Application and then run a simulation out of the OpenStudio? Kind regards, Gosia

 



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Posted by: =?utf-8?Q?Mark_Carey?= <markc@xxxxxxxxx>


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