* Get the subMesh object associated to a Sub-shape. The subMesh object
* gives access to nodes and elements IDs.
* SubMesh will be used instead of Sub-shape in a next idl version to
* Get the subMesh object associated to a Sub-shape. The subMesh object
* gives access to nodes and elements IDs.
* SubMesh will be used instead of Sub-shape in a next idl version to