Set the default values of the VolumeControlParams object.
Parameters:cell_zonelet_type: CellZoneletType, optional
: Cell zonelet type is used to define the type of the associated volume.
skip_hexcore: bool, optional
: Check whether to skip hexahedral cells generation in the core for this volume or not. Applicable only for volumeFillType set to HexcoreTet or HexcorePoly in the AutoMeshParams structure.
