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RISDirect Parametric Analysis of Resonance Regimes for Nonlinear Vibrations of Bladed Disks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method has been developed to calculate directly resonance frequencies and resonance amplitudes as functions of design parameters or as a function of excitation levels. The method provides, for ...
Analysis of Flutter-Induced Limit Cycle Oscillations in Gas-Turbine Structures With Friction, Gap, and Other Nonlinear Contact Interfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A frequency-domain method has been developed to predict and comprehensively analyze the limit-cycle flutter-induced vibrations in bladed disks and other structures with nonlinear contact interfaces. ...
Method for Sensitivity Analysis of Resonance Forced Response of Bladed Disks With Nonlinear Contact Interfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An effective method has been developed to calculate the sensitivity of the resonance peak frequency and forced response level to variation of parameters of nonlinear friction contact interfaces ...
A Method for Use of Cyclic Symmetry Properties in Analysis of Nonlinear Multiharmonic Vibrations of Bladed Disks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An effective method for analysis of periodic forced response of nonlinear cyclically symmetric structures has been developed. The method allows multiharmonic forced response to be calculated for ...
Method for Direct Parametric Analysis of Nonlinear Forced Response of Bladed Disks With Friction Contact Interfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An effective method for direct parametric analysis of periodic nonlinear forced response of bladed disks with friction contact interfaces has been developed. The method allows, forced response ...
A Method for Forced Response Analysis of Mistuned Bladed Disks With Aerodynamic Effects Included
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method has been developed for high-accuracy analysis of forced response levels for mistuned bladed disks vibrating in gas flow. Aerodynamic damping, the interaction of vibrating blades through ...
Reduction of Forced Response Levels for Bladed Disks by Mistuning: Overview of the Phenomenon
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The newly revealed phenomenon of reduction of forced response levels in a mistuned bladed disk to levels significantly (e.g., by a factor of 2 and more) lower than that of its tuned counterpart ...
Explicit Finite Element Models of Friction Dampers in Forced Response Analysis of Bladed Disks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A generic method for analysis of nonlinear forced response for bladed disks with friction dampers of different designs has been developed. The method uses explicit finite element modeling of ...
A Sensitivity-Based Method for Direct Stochastic Analysis of Nonlinear Forced Response for Bladed Disks With Friction Interfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An efficient method is developed to calculate stochastic and uncertainty characteristics of forced response for nonlinear vibrations of bladed disks with friction and gap contact interfaces. ...
A High-Accuracy Model Reduction for Analysis of Nonlinear Vibrations in Structures With Contact Interfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A highly accurate and computationally efficient method is proposed for reduced modeling of jointed structures in the frequency domain analysis of nonlinear steady-state forced response. The method ...