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[EnergyPlus_Support] Re: RunSlab Program

Hi Nirag,

Linda has replied in another post and I should run the idf in regular EP-Launch. So the way described in AuxiliaryPrograms.pdf is for running the slab only model (without the whole building model set up). I will try again today.

(btw how to attach files in this forum?)

Thanks.


--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Niraj Poudel <nirajpdl@...> wrote:
>
> Could you attach your idf file so i can run it to see what is going on?
> 
> On Thu, Aug 23, 2012 at 9:37 AM, Linda Lawrie <linda@...> wrote:
> 
> > **
> >
> >
> > You need to run your IDF in the Regular EP-Launch / EnergyPlus stream.  It
> > will automatically call the Slab program.
> >
> > When you run just the Utility Slab program, you have a companion (but
> > different) set of objects.
> >
> >
> > At 12:58 AM 8/23/2012, energy.partners wrote:
> >
> > Hi,
> >
> > Thanks for your reply.
> >
> > I am using an idf that has a completed set up of a building model which
> > simulate fine using EP launch. But after setting the GroundHeatTransfer
> > objects and run with the RunSlab program (using the same weather file) then
> > I got the problems I described below.
> >
> > Regards.
> >
> >
> >
> >
> > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Niraj Poudel <nirajpdl@>
> > wrote:
> > >
> > > Hi there,
> > >
> > > I think the way it works is that you set up your complete IDF (i.e
> > > including your building, heat balance algorithm, simulation control etc,
> > > basically your complete model) along with the GroundHeatTransfer objects.
> > > What happens is that when you run your idf, the slab program is called
> > upon
> > > and the building surface temperatures are automatically filled into the
> > > respective location in the idf. This is if you are trying to invoke the
> > > slab program directly using the .idf editor.
> > >
> > > Otherwise you can run the basement slab pre processor separately without
> > > defining everything in the .idf file. This way you can get the results
> > for
> > > your building surface temperature but then you will have to manually
> > input
> > > the results into your idf.
> > >
> > > Niraj
> > >
> > > On Thu, Aug 23, 2012 at 2:12 AM, energy.partners
> > > <energy.partners@>wrote:
> > >
> > > > **
> > > >
> > > >
> > > > Dear All,
> > > >
> > > > I want to use the RunSlab program to calculate the slab temperature.
> > > >
> > > > I have set up the following E+ objects in my building model IDF:
> > > > - GroundHeatTransfer:Control with Run Slab Preprocessor as "Yes"
> > > > - GroundHeatTransfer:Slab:Materials
> > > > - GroundHeatTransfer:Slab:MatlProps
> > > > - GroundHeatTransfer:Slab:BoundConds
> > > > - GroundHeatTransfer:Slab:BldgProps
> > > > - GroundHeatTransfer:Slab:Insulation
> > > > - GroundHeatTransfer:Slab:EquivalentSlab
> > > >
> > > > I have followed the AuxiliaryPrograms.pdf and ran the RunSlab program
> > but
> > > > it didn't complete successfully. In the error file (the _slab.ger file)
> > > > there are a lot of severe error messages. I have extracted the first 20
> > > > lines from the error file:
> > > >
> > > > -----------------Start of the error file------------------
> > > >
> > > > Program Version,GroundTempCalc - Slab, Version .75
> > > > ** Severe ** IP: IDF line~12 Did not find "Version" in list of Objects
> > > > ** Severe ** IP: IDF line~18 Did not find "SimulationControl" in list
> > of
> > > > Objects
> > > > ** Severe ** IP: IDF line~28 Did not find "Building" in list of Objects
> > > > ** Severe ** IP: IDF line~41 Did not find "ShadowCalculation" in list
> > of
> > > > Objects
> > > > ** Severe ** IP: IDF line~50 Did not find
> > > > "SurfaceConvectionAlgorithm:Inside" in list of Objects
> > > > ** Severe ** IP: IDF line~56 Did not find
> > > > "SurfaceConvectionAlgorithm:Outside" in list of Objects
> > > > ** Severe ** IP: IDF line~62 Did not find "HeatBalanceAlgorithm" in
> > list
> > > > of Objects
> > > > ** Severe ** IP: IDF line~69 Did not find
> > > > "ZoneCapacitanceMultiplier:ResearchSpecial" in list of Objects
> > > > ** Severe ** IP: IDF line~77 Did not find "Timestep" in list of Objects
> > > > ** Severe ** IP: IDF line~83 Did not find "ConvergenceLimits" in list
> > of
> > > > Objects
> > > > ** Severe ** IP: IDF line~91 Did not find "Site:Location" in list of
> > > > Objects
> > > > ** Severe ** IP: IDF line~101 Did not find
> > "SizingPeriod:WeatherFileDays"
> > > > in list of Objects
> > > > ** Severe ** IP: IDF line~114 Did not find "RunPeriod" in list of
> > Objects
> > > > ** Severe ** IP: IDF line~131 Did not find
> > > > "RunPeriodControl:DaylightSavingTime" in list of Objects
> > > > ** Severe ** IP: IDF line~138 Did not find
> > > > "Site:GroundTemperature:BuildingSurface" in list of Objects
> > > > ** Severe ** IP: IDF line~155 Did not find "Site:GroundReflectance" in
> > > > list of Objects
> > > > ** Severe ** IP: IDF line~172 Did not find
> > > > "Site:GroundReflectance:SnowModifier" in list of Objects
> > > > ** Severe ** IP: IDF line~180 Did not find "ScheduleTypeLimits" in
> > list of
> > > > Objects
> > > > ** Severe ** IP: IDF line~183 Did not find "ScheduleTypeLimits" in
> > list of
> > > > Objects
> > > > ----------End of first 20 line of the error file----------
> > > >
> > > > Did anyone get the same problem before? Could anyone give me some
> > advice
> > > > please?
> > > >
> > > > (Note I am using E+ version 7.0.0.36)
> > > >
> > > > Thanks.
> > > >
> > > > Best regards.
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > > --
> > > Niraj Poudel, Architectural Engineer.
> > > PhD student, PDBE Program.
> > > Clemson University, Clemson, SC.
> > >
> >
> >
> >
> >
> > ------------------------------------
> >
> >
> > Primary EnergyPlus support is found at:
> >  http://energyplus.helpserve.com or send a message to
> > energyplus-support@...
> >
> > The primary EnergyPlus web site is found at:
> >  http://www.energyplus.gov
> >
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> >
> > Attachments are currently allowed but be mindful that not everyone has a
> > high speed connection.  Limit attachments to small files.
> >
> > EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the
> > Documentation link and press the "search" button.
> > Yahoo! Groups Links
> >
> >
> >
> >  
> >
> 
> 
> 
> -- 
> Niraj Poudel, Architectural Engineer.
> PhD student, PDBE Program.
> Clemson University, Clemson, SC.
>




------------------------------------

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