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Re: [EnergyPlus_Support] Error on airflownetwork





Hi, 

You would have to define the roof surface and the other 4 vertical surfaces in AirFlowNetwork:Multizone:Surfaces object. 

Vaibhav Jain
www.vaibhavjain.co




On 28 May 2012 16:03, Alberto Hernandez Neto - USP <ahneto@xxxxxx> wrote:
 

Dear fellows,

 

I am simulating a room with natural ventilation that has one window ando ne door. This door is connected to the next zone, which is corridor. I am only interested in simulating the conditions in the room . I implemtend the objects related to the airflownetwork but I am getting the following severe error:

 

** Severe  ** GetAirflowNetworkInput: AirflowNetwork:MultiZone:Surface = PORTA_SALA

   **   ~~~   ** ..Zone = SALA_AULA_1 is not described in AIRFLOWNETWORK:MULTIZONE:ZONE

   ** Warning ** GetAirflowNetworkInput: SurfaceAverageCalculation is entered for field = Wind Pressure Coefficient Type, but no roof surface is defined using an AirflowNetwork:MultiZone:Surface object.

   **   ~~~   ** Reconsider if this is your modeling intent. Simulation continues.

   ** Warning ** GetAirflowNetworkInput: SurfaceAverageCalculation is entered for field = Wind Pressure Coefficient Type.

   **   ~~~   ** The AirflowNetwork model provides wind pressure coefficients for 4 vertical exterior orientations and 1 horizontal roof.

   **   ~~~   **  There are only 1 exterior surface orientations defined  in this input file using AirflowNetwork:MultiZone:Surface objects.

   **   ~~~   ** Reconsider if this is your modeling intent. Simulation continues.

   **  Fatal  ** GetAirflowNetworkInput: Errors found getting inputs. Previous error(s) cause program termination.

   ...Summary of Errors that led to program termination:

   ..... Reference severe error count=1

   ..... Last severe error=GetAirflowNetworkInput: AirflowNetwork:MultiZone:Surface = PORTA_SALA

   ************* Warning:  Node connection errors not checked - most system input has not been read (see previous warning).

   ************* Fatal error -- final processing.  Program exited before simulations began.  See previous error messages.

 

The object mentioned is set in my file like this:

 

Descrição: cid:image001.png@01CD3CC1.77C05320

 

Can you help me?

 

Thanks.

 

Alberto

 




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