so that the specification of the name and dimensions are optional in property dictionaries. Update tutorials so that the name of the dimensionedScalar property is no longer duplicated but optional dimensions are still provided and are checked on read.
PDR test case Step to introduce the PDR fields: 1) Create zero-size patches for wall or/and coupled baffles in the boundary file. 2) Specify the boundary contitions for these patches in the fields. 3) Create the new PDR mesh using the PDRMesh utility.