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Proceedings Papers

Analysis on Nonlinear Vibrations of Mistuned Blades With Frictional Under-Platform Dampers Considering Asynchronous Excitation Force

Ryuichi Umehara, Tomohiro Akaki, Naoki Onozato, Hiroki Kitada
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101137
https://doi.org/10.1115/GT2023-101137
View Paper titled, Analysis on Nonlinear Vibrations of Mistuned Blades With Frictional Under-Platform Dampers Considering Asynchronous Excitation Force
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Topics: Blades, Dampers, Excitation, Friction, Random excitation, Turbine blades, Vibration
Proceedings Papers

Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78367
https://doi.org/10.1115/GT2022-78367
View Paper titled, Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation
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Topics: Algorithms, Approximation, Couplings, Degrees of freedom, Disks, Dynamics (Mechanics), Excitation, Manufacturing, Polynomials, Random excitation
Proceedings Papers

Calculation of Nonlinear Systems Under Narrow Band Excitation Using Equivalent Linearization and Path Continuation

Alwin Förster, Lars Panning-von Scheidt
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58437
https://doi.org/10.1115/GT2021-58437
View Paper titled, Calculation of Nonlinear Systems Under Narrow Band Excitation Using Equivalent Linearization and Path Continuation
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Topics: Excitation, Nonlinear systems, Random excitation, Vibration, Structural analysis, Structural mechanics, Turbine blades, Turbomachinery, White noise
Proceedings Papers

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt, Jörg Wallaschek
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14264
https://doi.org/10.1115/GT2020-14264
View Paper titled, Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation
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Topics: Disks, Friction, Random excitation, Excitation, Dampers, Degrees of freedom, Manufacturing, Energy dissipation, Linear systems, Nonlinear equations
Proceedings Papers

Approximate Solution of the Fokker-Planck Equation for a Multi-Degree of Freedom Frictionally Damped Bladed Disk Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt, Jörg Wallaschek
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT32A002, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75755
https://doi.org/10.1115/GT2018-75755
View Paper titled, Approximate Solution of the Fokker-Planck Equation for a Multi-Degree of Freedom Frictionally Damped Bladed Disk Under Random Excitation
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Topics: Disks, Fokker-Planck equation, Random excitation, Excitation, Density, Finite element methods, Air flow, Blades, Computation, Degrees of freedom
Proceedings Papers

Friction Damping of Random Vibration in Gas Turbine Engine Airfoils

Alok Sinha
Proc. ASME. GT1987, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Process Industries; General, V005T13A002, May 31–June 4, 1987
Publisher: American Society of Mechanical Engineers
Paper No: 87-GT-44
https://doi.org/10.1115/87-GT-44
View Paper titled, Friction Damping of Random Vibration in Gas Turbine Engine Airfoils
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Topics: Airfoils, Computer simulation, Damping, Excitation, Friction, Gas turbines, Random excitation, Random vibration, Statistics, Stress
Proceedings Papers

A New Method for Optimizing Friction Damping in Randomly Excited Systems

T. M. Cameron, J. H. Griffin
Proc. ASME. GT1989, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T13A006, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-108
https://doi.org/10.1115/89-GT-108
View Paper titled, A New Method for Optimizing Friction Damping in Randomly Excited Systems
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Topics: Damping, Friction, Degrees of freedom, Approximation, Fast Fourier transforms, Nonlinear systems, Random excitation, Stress, Turbine blades
Proceedings Papers

Statistics of Response of a Mistuned Bladed Disk Assembly Subjected to White Noise and Narrow Band Excitation

D. Cha, A. Sinha
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T14A029, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-379
https://doi.org/10.1115/98-GT-379
View Paper titled, Statistics of Response of a Mistuned Bladed Disk Assembly Subjected to White Noise and Narrow Band Excitation
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Topics: Disks, Excitation, Manufacturing, Statistics, White noise, Random excitation, Analytical methods, Blades, Computer simulation, Electromagnetic spectrum
Proceedings Papers

Computation of the Optimal Normal Load of a Friction Damper Under Different Types of Excitation

D. Cha, A. Sinha
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A051, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-413
https://doi.org/10.1115/99-GT-413
View Paper titled, Computation of the Optimal Normal Load of a Friction Damper Under Different Types of Excitation
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Topics: Computation, Dampers, Excitation, Friction, Stress, Random excitation, White noise, Steady state, Turbine blades, Vibration
Proceedings Papers

Statistics of Responses of a Mistuned and Frictionally Damped Bladed Disk Assembly Subjected to White Noise and Narrow Band Excitations

D. Cha, A. Sinha
Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T03A069, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0542
https://doi.org/10.1115/2000-GT-0542
View Paper titled, Statistics of Responses of a Mistuned and Frictionally Damped Bladed Disk Assembly Subjected to White Noise and Narrow Band Excitations
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Topics: Disks, Excitation, Manufacturing, Statistics, White noise, Dampers, Friction, Vibration, Computer simulation, Random excitation
Proceedings Papers

Computation of the Optimal Normal Load for a Mistuned and Frictionally Damped Bladed Disk Assembly Under Different Types of Excitation

D. Cha, A. Sinha
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A041, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0278
https://doi.org/10.1115/2001-GT-0278
View Paper titled, Computation of the Optimal Normal Load for a Mistuned and Frictionally Damped Bladed Disk Assembly Under Different Types of Excitation
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Topics: Computation, Disks, Excitation, Manufacturing, Stress, Dampers, Blades, Friction, Random excitation, Statistics
Proceedings Papers

Response Statistics and Reliability Analysis of a Mistuned and Frictionally Damped Bladed Disk Assembly Subjected to White Noise Excitation

Pankaj Kumar, S. Narayanan
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 649-658, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22736
https://doi.org/10.1115/GT2010-22736
View Paper titled, Response Statistics and Reliability Analysis of a Mistuned and Frictionally Damped Bladed Disk Assembly Subjected to White Noise Excitation
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Topics: Blades, Dampers, Disks, Event history analysis, Excitation, Friction, Manufacturing, Reliability, Statistics, Vibration
Proceedings Papers

Effects of the Nature of Excitation on the Response of a Mistuned Bladed Disk Assembly

D. Cha, A. Sinha
Proc. ASME. GT2002, Volume 4: Turbo Expo 2002, Parts A and B, 1003-1014, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30430
https://doi.org/10.1115/GT2002-30430
View Paper titled, Effects of the Nature of Excitation on the Response of a Mistuned Bladed Disk Assembly
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Topics: Disks, Excitation, Manufacturing, Random excitation, Statistics, Engines