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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
Paper No: 89-GT-108
DOI: https://doi.org/10.1115/89-GT-108
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Topics: Damping, Friction, Degrees of freedom, Approximation, Fast Fourier transforms, Nonlinear systems, Random excitation, Stress, Turbine blades
Proceedings Papers

Blade Vibration With Nonlinear Tip Constraint: Model Development

L. F. Wagner, J. H. Griffin
Proc. ASME. GT1989, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T13A018, June 4–8, 1989
Paper No: 89-GT-293
DOI: https://doi.org/10.1115/89-GT-293
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Topics: Blades, Model development, Vibration, Degrees of freedom, Disks, Excitation, Stress, Turbine blades
Proceedings Papers

Optimizing Instrumentation When Measuring Jet Engine Blade Vibration

J. H. Griffin
Proc. ASME. GT1991, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V005T14A006, June 3–6, 1991
Paper No: 91-GT-071
DOI: https://doi.org/10.1115/91-GT-071
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Topics: Blades, Instrumentation, Jet engines, Vibration, Disks, Engines, Gages, Turbomachinery
Proceedings Papers

Exploring How Shroud Constraint Can Affect Vibratory Response in Turbomachinery

M.-T. Yang, J. H. Griffin
Proc. ASME. GT1993, Volume 3B: General, V03BT16A041, May 24–27, 1993
Paper No: 93-GT-285
DOI: https://doi.org/10.1115/93-GT-285
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Topics: Blades, Particle spin, Resonance, Rotation, Spin (Aerodynamics), Turbomachinery, Wheels
Proceedings Papers

Forced Harmonic Response of Grouped Blade Systems: Part I — Discrete Theory

L. F. Wagner, J. H. Griffin
Proc. ASME. GT1994, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A028, June 13–16, 1994
Paper No: 94-GT-203
DOI: https://doi.org/10.1115/94-GT-203
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Topics: Blades, Disks, Engines, Excitation, Geometry, Turbomachinery, Vibration
Proceedings Papers

Forced Harmonic Response of Grouped Blade Systems: Part II — Application

L. F. Wagner, J. H. Griffin
Proc. ASME. GT1994, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A029, June 13–16, 1994
Paper No: 94-GT-204
DOI: https://doi.org/10.1115/94-GT-204
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Topics: Blades, Disks, Computer simulation, Density, Economics , Spectra (Spectroscopy), Turbine blades, Vibration, Vibration analysis
Proceedings Papers

Resonant Response of a Tapered Beam and its Implications to Blade Vibration

G. N. Balaji, J. H. Griffin
Proc. ASME. GT1995, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V005T14A041, June 5–8, 1995
Paper No: 95-GT-453
DOI: https://doi.org/10.1115/95-GT-453
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Topics: Blades, Resonance, Vibration, Airfoils, Chords (Trusses), Euler-Bernoulli beam theory, Geometry, Pressure, Stress
Proceedings Papers

A Reduced Order Approach for the Vibration of Mistuned Bladed Disk Assemblies

M.-T. Yang, J. H. Griffin
Proc. ASME. GT1995, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V005T14A042, June 5–8, 1995
Paper No: 95-GT-454
DOI: https://doi.org/10.1115/95-GT-454
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Topics: Disks, Vibration, Finite element model, Blades, Degrees of freedom, Finite element analysis, Springs, Steady state
Proceedings Papers

Friction Damping of Hollow Airfoils: Part I — Theoretical Development

J. H. Griffin, W.-T. Wu, Y. El-Aini
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A012, June 10–13, 1996
Paper No: 96-GT-109
DOI: https://doi.org/10.1115/96-GT-109
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Topics: Airfoils, Damping, Friction, Dampers, Cavities, Dynamic response, Engines, High cycle fatigue, Life cycle costing, Vibration
Proceedings Papers

A Rational Method for Optimizing Shroud Damping

J. H. Griffin, R. F. Labelle
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A046, June 10–13, 1996
Paper No: 96-GT-402
DOI: https://doi.org/10.1115/96-GT-402
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Topics: Blades, Computers, Damping, Design, Engines, Friction, Modeling, Particle spin, Resonance, Rotation
Proceedings Papers

Theory and Methodology of Optimally Measuring Vibratory Strains in Closely Spaced Modes

M.-T. Yang, J. H. Griffin
Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T14A048, June 2–5, 1997
Paper No: 97-GT-238
DOI: https://doi.org/10.1115/97-GT-238
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Topics: Blades, Errors, Gages, Mechanical properties, Mode shapes, Optimization, Strain measurement, Stress
Proceedings Papers

A Reduced Order Model of Mistuning Using a Subset of Nominal System Modes

M.-T. Yang, J. H. Griffin
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A032, June 7–10, 1999
Paper No: 99-GT-288
DOI: https://doi.org/10.1115/99-GT-288
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Topics: Blades, Deformation, Degrees of freedom, Disks, Finite element analysis, Stress
Proceedings Papers

Contact Stresses in Dovetail Attachments: Finite Element Modeling

G. B. Sinclair, N. G. Comier, J. H. Griffin, G. Meda
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A044, June 7–10, 1999
Paper No: 99-GT-387
DOI: https://doi.org/10.1115/99-GT-387
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Topics: Finite element analysis, Modeling, Stress, Friction, Resolution (Optics), Stress analysis (Engineering)
Proceedings Papers

A Reduced Order Model for Evaluating the Effect of Rotational Speed on the Natural Frequencies and Mode Shapes of Blades

P. Marugabandhu, J. H. Griffin
Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T03A078, May 8–11, 2000
Paper No: 2000-GT-0611
DOI: https://doi.org/10.1115/2000-GT-0611
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Topics: Blades, Mode shapes, Finite element analysis
Proceedings Papers

Forced Response of Turbine Engine Bladed Disks and Sensitivity to Harmonic Mistuning

J. A. Kenyon, J. H. Griffin
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A037, June 4–7, 2001
Paper No: 2001-GT-0274
DOI: https://doi.org/10.1115/2001-GT-0274
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Topics: Disks, Gas turbines, Annulus, Design, Fatigue, Magnification, Rotors, Shear (Mechanics), Springs, Stiffness
Proceedings Papers

A Fundamental Model of Mistuning for a Single Family of Modes

D. M. Feiner, J. H. Griffin
Proc. ASME. GT2002, Volume 4: Turbo Expo 2002, Parts A and B, 953-964, June 3–6, 2002
Paper No: GT2002-30425
DOI: https://doi.org/10.1115/GT2002-30425
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Topics: Blades, Disks, Modeling, Springs, Turbines, Vibration
Proceedings Papers

Maximum Bladed Disk Forced Response From Distortion of a Structural Mode

J. A. Kenyon, J. H. Griffin, D. M. Feiner
Proc. ASME. GT2002, Volume 4: Turbo Expo 2002, Parts A and B, 965-980, June 3–6, 2002
Paper No: GT2002-30426
DOI: https://doi.org/10.1115/GT2002-30426
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Topics: Blades, Disks, Vibration
Proceedings Papers

Mistuning Identification of Bladed Disks Using a Fundamental Mistuning Model: Part 1 — Theory

D. M. Feiner, J. H. Griffin
Proc. ASME. GT2003, Volume 4: Turbo Expo 2003, 267-277, June 16–19, 2003
Paper No: GT2003-38952
DOI: https://doi.org/10.1115/GT2003-38952
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Topics: Disks, Blades, Rotors
Proceedings Papers

Experimental Demonstration of Maximum Mistuned Bladed Disk Forced Response

J. A. Kenyon, J. H. Griffin
Proc. ASME. GT2003, Volume 4: Turbo Expo 2003, 195-205, June 16–19, 2003
Paper No: GT2003-38060
DOI: https://doi.org/10.1115/GT2003-38060
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Topics: Disks, Magnification, Blades, Engines, Excitation, Robustness, Traveling waves, Vibration
Proceedings Papers

Mistuning Identification of Bladed Disks Using a Fundamental Mistuning Model: Part 2 — Application

D. M. Feiner, J. H. Griffin
Proc. ASME. GT2003, Volume 4: Turbo Expo 2003, 279-286, June 16–19, 2003
Paper No: GT2003-38953
DOI: https://doi.org/10.1115/GT2003-38953
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Topics: Disks, Blades, Rotors