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An Extension of the Classical Subset of Nominal Modes Method for the Model Order Reduction of Gyroscopic Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the structural dynamics design process of turbomachines, Coriolis effects are usually neglected. This assumption holds true if no pronounced interaction between the shaft and disk occurs or if the radial blade displacements ...
Prediction of Aerodynamically Induced Blade Vibrations in a Radial Turbine Rotor Using the Nonlinear Harmonic Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Resonant response of turbomachinery blades can lead to high cycle fatigue (HCF) if the vibration amplitudes are excessive. Accurate and reliable simulations of the forced response phenomenon require detailed CFD and FE ...
A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mistuning problem of quasi-periodic structures has been the subject of numerous scientific investigations for more than 50 years. Researchers developed reduced-order models to reduce the computational costs of mistuning ...