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Rotor Dynamics
Rotor Dynamics is the study of dynamics and stability of rotating machinery, and it plays an important role in improving the safety and performance of the systems that it is a part of. Rotating machinery is seen in several applications in our daily life. These include machine tools, power stations, turbomachinery, aircraft jets, automobiles, and marine propulsion, among others.
As the rotational velocity of any rotating object increases, its level of vibration often passes through a maximum at what is called a critical speed. This is commonly excited by unbalance of the rotating structure. If the amplitude of vibration at these critical speeds is excessive, catastrophic failure can occur. Turbomachinery also can develop instabilities which are related to the internal makeup of turbomachinery, and which can also cause catastrophic failure. Engineers who design large rotors are challenged to design safe rotating machinery using physical prototypes and tests alone.
Hexagon’s MSC Nastran Rotor Dynamics provides a highly accurate and reliable rotor dynamics solution that enables engineers to simulate the behavior of rotating machinery. Using MSC Nastran Rotor Dynamics, engineers are able to predict critical speed and evaluate the effects of instabilities on virtual prototypes, saving time and money while improving safety.
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Imbalance response and general excitation
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Blade-out response
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Critical speed analysis and whirl frequency studies
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Prediction of rotor rubbing
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Aerospace & Defense: Jet engines, Cooling system
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Energy: Wind turbines, Turbomachinery
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Shipbuilding: Marine propulsion
Meer informatie
D2S International biedt consultancy services aan en gebruikt daarvoor eindige elementen software van HEXAGON (MSC Software).