/* Define a cell zone spanning the complete channel cross-section. */
FoamFile
{
    version 2.0;
    format ascii;
    class dictionary;
    object createZonesDict;
}
reactorBed
{
    type box;
    zoneType cell;
    box (0.04 -0.001 -0.001) (0.08 0.011 0.003);
}
