Module Description of TORSION™ (Torsional Vibration)
The torsional vibration module use a finite element based formulation for performing damped and undamped torsional natural frequencies, mode shapes, steady-state and time-transient response of mechanical drive trains. TORSION consists of three sub-modules TORNAT, TORHRM and TORRSP integrated by TORSION's module messenger. The messenger controls the sub-modules to provide a complete torsional vibration analysis environment. TORSION accepts models generated with ROTLAT and has the same basic modeling capabilities as well as the modeling of multi-shaft/multi-branch systems, coupling stiffness and damping, gear tooth flexibility, various types of external excitation, synchronous motor start-up torque, compressor torque, etc.
TORSION’s analytical results include:
1. Natural Frequency
2. Steady-State Response
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