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Re: [EnergyPlus_Support] Re: Questions about EnergyPlus

There are two example files with multi-story buildings, both use relative 
coordinates and zone multipliers to simplify the geometry inputs, 
MultiStory.idf and LgOffVAV.idf

For buildings with similar zones on multiple floors, IDF Editor can be used in 
combination with a text editor to generate the building geometry rather quickly:

1.  Use IDF Editor to describe the zones on the ground floor, using Relative 
coordinates in the SURFACEGEOMETRY object.

2.  Use a text editor to copy and paste the ZONE and SURFACE:* objects for the 
ground floor to create the next floor (story).  Use search and replace to 
rename the surfaces for the new floor.  

3.  Change exterior conditions as needed for the floor and ceiling surfaces.

4.  For the zones on the new floor, change the z-coordinate of the zone origins 
to raise the zones up to the next level.  There should be no need to change any 
surface coordinates - they are all relative to the zone origins.

5.  Repeat steps 2-4 for additional floors (stories).

Once the desired number of floors are in the file, the file can be saved and 
reloaded in IDF Editor for further editing if desired.

Mike


On 21 May 2005, at 5:08, applezealot wrote:

> Dear Allen
> 
>        In fact, I only set up a simple building with one story right 
> now. But I see some idf files in the File folder of the group, which 
> have a more complicated building description. They are multi-story. 
> You can search in the File Folder. I just can not remeber the name. 
> It start with M.
> 
>                                         charlie
> 
> 
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Bing Dong 
> <allen_dongenergy@y...> wrote:
> > Dear Charlie,
> >  
> > Thank you for your information. 
> >  
> > Using IDF editor only to set up a 20 storey building is a very 
> time consuming work. I search on the EnergyPlus website and i find 
> that only a thridy party software called DesignBuilder is available 
> for free use. 
> >  
> > In addition, it seems IDF can only edit one story building. Do you 
> how to achieve several stroies? 
> >  
> > Thank you again.
> >  
> > Regards,
> >  
> > Allen
> > 
> > applezealot <applezealot@y...> wrote:
> > Dear Allen
> > 
> >     As fas as I know, there are some third-party software which 
> can 
> > be used for the setup of buildings. But I am using the IDF editor 
> to 
> > input the construction of the building right now. I have no idea 
> > whether the IFC to IDF converter will be helpful.
> >     Based on my experience with the software, I know how to 
> > calculate the annual heating and cooling load of the building 
> > without HVAC system, or let the zone temperture float without any 
> > air conditioning. But the natural ventilation part, I really do 
> not 
> > know much.
> >     Wish this would help you
> > 
> >                                        charlie
> > 
> > 
> > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Bing Dong 
> > <allen_dongenergy@y...> wrote:
> > > Dear All,
> > >  
> > > I am a beginner in EnergyPlus. I have several questions below. I 
> > hope some helps from you experts. Thank you. 
> > >  
> > > Can EnergyPlus set up the building model directly or a thirty 
> > party support tool has to be used? I know that now there is a 
> > converter called IFCtoIDF, which is a utility for importing 
> building 
> > geometry from commercial CAD tools into EnergyPlus. However, it is 
> > easier to setup the model in EnergyPlus directly. 
> > > 
> > >  
> > > 
> > > Another question is that can EnergyPlus do naturally ventilated 
> > building without HVAC system? 
> > > 
> > > Thank you very much
> > > 
> > > Best Regards,
> > > 
> > > 
> > > 
> > > Allen
> > > 
> > > 
> > >  Yahoo! Mobile
> > > - Download the latest ringtones, games, and more!
> > > 
> > > [Non-text portions of this message have been removed]
> > 
> > 
> > 
> > 
> > The primary EnergyPlus web site is found at:
> > http://www.energyplus.gov
> > 
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> > 
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> 
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> 
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> 
> Attachments are not allowed -- please post any files to the appropriate folder
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