[nik]

Hi to all,

I am using the fieldAverage function to calculate average quantities. I am using an updated version of OpenFOAM 2.2.x with the necessary fixes for the restarting to work, since there was a bug in the code (see http://www.openfoam.org/mantisbt/view.php?id=854). Restarting works just fine, my problem is that when I restart from a previous calculation, it seems that the averaging is not continuous as it should be. In order to look at the time evolution of a mean value I am using the probeFunction.

I can reproduce my problem using the cavity tutorial. I start averaging from the beginning up to 0.5 sec of simulation time. Then I restart the simulation for another 0.5 sec. Below are the functions objects used at the end of the controlDict:

functions
{
    fieldAverage1
    {
        type            fieldAverage;
        functionObjectLibs ( "libfieldFunctionObjects.so" );
        enabled         true;
        outputControl   outputTime;
        resetOnOutput   false;
        resetOnRestart  false;

        fields
        (
            p
            {
                mean        on;
                prime2Mean  off;
                base        time;
            }
        );
    }

    probesP
    {
        type probes;
        functionObjectLibs ("libsampling.so");
        probeLocations
        (
            (0.05 0.05 0.0)
        );

        fields
        (
            p pMean
        );
    }
}

I have also attached a figure showing the evolution of pMean with time, at a x=0.05, y=0.05 using the data from the probe function. This figure shows the discontinuous change in the evolution of the mean value, at t=0.5.

Am I doing something wrong with the flags that I am using, or is this a bug?

Thanks,
Nicolas