[EnergyPlus_Support] Re: Multy-Story Building Modelling problems

[Nuno Costa Brandão <ncostab@xxxxxxxxx>]

Just poping this back hoping to get an answer. I´m a little bit
desperate here, any help or comment will be very useful.

Thanks
Nuno
------------------------------------
> Multy-Story Building Modelling problems
> 
> Q.:Dear All,
> 
> Currently I´m simulating a multi-story building from which I choose
> only a representative story to evaluate its energy consumption. As it
> is described in I/O 
> 
> reference I set the boundary conditions of the floor by pointing it to
> the roof construction surface and the roof construction surface
> pointing to the floor, 
> 
> by using the "otherzone surface exterior boundary" condition. Is the
> procedure correct? 
> 
> The simulation generated some warning messages from which I don´t
> fully understand its impaction. I´ve placed below the three kind of
> warnings. I´ve have 
> 
> followed the warning recomendations but I couldn´t resolve the
> problems, can you give me some guidance help?
> 
> I´m uploanding the idf file so that you can have a look at it.
> 
> Thanks, I really apreciate the help... I´m already behind schedule
> with this work!!
> Nuno
> 
> 
> #1. ** Warning ** CAUTION -- Interzone surfaces are usually in
> different zones
>    **   ~~~   ** Surface=S_T1A-COZINHA_0_0_0, Zone=T1A-COZINHA
>    **   ~~~   ** Surface=R_T1A-COZINHA_1_0_0, Zone=T1A-COZINHA
> 
> [...]
> 
> #2. ** Warning ** Zone Air Heat Balance is out of balance for zone
> named T1A-SALA
>    **   ~~~   ** Zone Air Heat Balance Deviation Rate is more than
> 60.3 (Watts)
>    **   ~~~   **  Occurance info: Occurrence info=Lisboa PRT INETI
> data WMO#=085360, 01/02 07:00 - 07:15
>    ** Warning ** Zone Air Heat Balance is out of balance for zone
> named T1A-QUARTO
>    **   ~~~   ** Zone Air Heat Balance Deviation Rate is more than
> 37.8 (Watts)
> 
> [...]
> 
> 3#. Too many vertices [>=13] in shadow overlap errors occurring...
>    ************* These occur throughout the year and may occur several
> times for the same surfaces. You may be able to reduce them by adding 
> 
> DIAGNOSTICS,DoNotMirrorDetachedShading;
>    *************
>    ** Warning ** Too many vertices [>=13] in a shadow overlap
>    **   ~~~   ** Overlapping figure=Mir-EDIFICIO APARTAMENTOS -
> COMPONENT BLOCK 2 - SURFACE 4 (10), Surface Class=[Detached
> Shading:Building]
>    **   ~~~   **   This error occurred 1 times.
>    **   ~~~   ** Figure being Overlapped=Mir-EDIFICIO APARTAMENTOS -
> COMPONENT BLOCK 4 - SURFACE 2 (20), Surface Class=[Detached
> Shading:Building]
>    *************
>    **   ~~~   **   The too many vertices errors occurred 1 times (total)
>



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