FoamFile
{
	version 2.0;
	format ascii;
	class volScalarField;
	object nut;
	location "0";
}

dimensions [0 2 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
	vertical_sides
	{
		type calculated;
		value $internalField;
	}

	z_max
	{
		type calculated;
		value $internalField;
	}

	z_min
	{
		type slip;
	}
}
