FoamFile
{
    version     2.0;
    format      ascii;
    class       volScalarField;
    object      T;
}

dimensions      [ 0 0 0 1 0 0 0 ];      // K

internalField   uniform 291.15;     // 18 Celsius + 273.15 Kelvin

boundaryField
{
    interface
    {
        type            fixedValue;
        value           uniform 400.0;
    }
    inlet
    {
        type            fixedValue;
        value           $internalField;
    }
    outlet
    {
        type            zeroGradient;
    }
    top
    {
        type            zeroGradient;
    }
    bottom
    {
        type            zeroGradient;
    }
    slip-bottom
    {
        type            zeroGradient;
    }
}