02.25
This is the first of a multi-part series on getting started with Energyplus. These videos walk you through the process of creating geometry for your Energyplus IDF file using the OpenStudio SketchUp plugin. Energyplus and OpenStudio are both available at the DOE’s website for Energyplus –> http://www.energyplus.gov
Here are the direct links:
For support with energyplus please visit their support website @ http://energyplus.helpserve.com/ or by emailing them directly for support ticket request @ EnergyPlus-Support@gard.com
You may also be interested in subscribing to the Energyplus Yahoo Users group @ http://groups.yahoo.com/group/EnergyPlus_Support/
Support for OpenStudio is available by email @ openstudio@nrel.gov
Geometry in OpenStudio – Part 1
Geometry in OpenStudio – Part 2
Geometry in OpenStudio – Part 3
This is brilliant! Thank you very much for the videos. I wish I had videos like this when I was learning E+. That would have saved me a lot of grief
Thanks for this videos… it helped me alot understanding the bases…
I'm having some problem when i save in OpenStudio… idf file is geting bugged… extention doesnt apear. I can work it in Idf Editor but after this sometimes it doesnt work again with OpenStudio.
This hapens to you also? do you have any advice?
Thanks again for this amazing videos…
@Hugo
Thanks for watching the videos! The first thing I would recommend is that you make sure you are running the latest versions of Sketchup, OpenStudio and Energyplus. Also, please make sure that you are loading and saving the files using the Openstudio toolbar and not the Sketchup toolbar and that the file extensions are .idf
Lastly, if you can provide the actual warning messages or errors that you are getting, this might provide some more clarity on the difficulties you are experiencing.
Great videos!!! Is it possible to create an atrium space within a building using OpenStudio?
Yes. You can create double high, triple, etc. spaces and treat them as atrium's. From a modelling standpoint however atrium's are often subdivided vertically to allow analysis of temperature or air characteristics as the elevation changes. This can be accomplished as well by creating holes between spaces and in some cases taking advantage of the airflow network within E+ to understand buoyancy and temperature. Thanks!
Good to know… Thanks! I have another question: I'm building a model with a large floor plan with many rooms. When I use the Search Surfaces tool to determine whether I've converted all of the partitions to interior constructions, I get some interior walls that appear as exterior. However, when I click on these walls, the Object Info window tells me that they are, indeed, interior constructions. Should I just leave these alone, or delete the problematic zones and start over?
My post is outdated already! There is a new tool that specifically addresses the issues of having to manual identify surfaces. In the latest version of OpenStudio there is a feature called “Surface Matching”. My workflow is to use the “Render by Boundary Condition” in conjunction with x-ray view so i can get a good look at the surface types. Now, if you run the surface matching routine it should automatically fix the surface types and I have found it to work really well. The *key* to the whole thing is making sure if you have overlapping surfaces that you split them with a line appropriately as illustrated in the video. If not, the program will get confused, and you may get warnings. Let me know if this helps! I am planning on re-recording this session showing off that feature because it is so good, and of course going beyond geometry into load calcs, HVAC etc. Busy at work, no time for fun
The Surface Matching feature worked great! Thanks again!
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I'm having big problems with SketchUp/OpenStudio… When I open my idf file, I get the following error message:
Warning: BuildingSurface:Detailed, E50046
The zone referenced by this base surface does not exist.
A new zone object has been automatically created for this surface.
This is especially frustrating, because there are about 200 of these messages. I don't know how to prevent these new zones from being created. Does anyone know of a way to fix this?
Steve, if you want to send me the IDF file to the email address in the contact me page I will take a look at it. This may be related to overlapping geometry but I can't tell for sure without looking at the file. Thanks.
Support can also be obtained by emailing openstudio@nrel.gov
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