Substructure rotation, mirroring, transformation, and constraints Substructure recovery with The nodal Transformation Degenerated elements within a substructure Substructure load case with centrifugal loads Substructure load case with nodal pressure loads Thermal-stress analysis with substructures Substructure preload history Substructure removal Substructure damping Substructures with rebar Frequency extraction for substructures Substructures with large rotations Coupled structural-acoustic analysis with substructures