[cana]

Hello Foamers,

I am working on a simulation of a battery under load with a a combined air convection and coldplate cooling system. In order to do so, I vary the air input velocity and temperature as well as the glycol input velocity and temperature for the coldplate using a timestamps and a linear interpolation table between the two. This is no problem, and an example looks like:

Temperature Glycol inlet:

Glycol_inlet			
{			
type            uniformFixedValue;			
uniformValue    table			
240			
(			
(	0	294.96588	)
(	1.0627	294.981162	)
(	21.0717	294.9973796	)
)			
;
}

Now I need to do something similar for the the heat source. Currently I can do a constant heat source such as

fvOptions

options
{
    energySource
    {
        type            scalarSemiImplicitSource;
        active       yes;
        selectionMode   cellZone;
	cellZone        Heater;
        volumeMode      specific;

        injectionRateSuSp
        {
            h          (8500 0); // W/m^3 == kg/m/s^3
        }
    }
}

Which works fine, however I do have a variable heat input, and want to use the table format as I do for boundary conditions. I thought perhaps something along the lines of

options
{
    energySource
    {
        type            scalarSemiImplicitSource;
        active       yes;
        selectionMode   cellZone;
	cellZone        Heater;
        volumeMode      specific;
        injectionRateSuSp
       {			
           h			
              {			
                  Su table			
                      (						
                      (	   0	0	)
                      (	1.0627	804.691468	)
                      (	21.0717	8704.835964	)
                      );	
                     Sp	0.0;
              }	
       }
   }
}

Would work, unfortunately it does not, and it outputs

Attempt to return dictionary entry as a primitive

file: /data/Battery/heatTransfer/chtMultiRegionFoam/BatteryClip/Cold_Plate_Cycle_Test/constant/Heater/fvOptions.options.energySource.injectionRateSuSp.h from line 33 to line 38.

As an error. If anyone knows how to work a problem like this I would greatly appreciate any help. If need be I can probably move to OF 7 or OF 8 as well if the functionality is supported there and not in OF 6.

- Cana

[Yann]

Hi Cana,


It is not possible to use a table with scalarSemiImplicitSource in OpenFOAM 6 nor 7.



You will have to use OpenFOAM-8 or newer: https://github.com/OpenFOAM/OpenFOAM...plicitSource.H


Cheers,
Yann