.TransiEnt.Storage.Heat.PackedBedStorage_L4.PackedBedStorage_L4.ColdAirGeometry .TransiEnt.Storage.Heat.PackedBedStorage_L4.PackedBedStorage_L4.ColdAirGeometrymodel ColdAirGeometry = TransiEnt.Storage.Heat.PackedBedStorage_L4.Basics.StorageAirVolumeGeometry.BlockShapedUnit;