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David J. Ewins
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Proceedings Papers

A Disk-Type Magneto-Rheologic Fluid Damper for Rotor System Vibration Control

Changsheng Zhu, David A. Robb, David J. Ewins
Proc. ASME. IMECE2001, Adaptive Structures and Material Systems, 9-15, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/AD-23701
https://doi.org/10.1115/IMECE2001/AD-23701
View Paper titled, A Disk-Type Magneto-Rheologic Fluid Damper for Rotor System Vibration Control
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Topics: Dampers, Disks, Finite element methods, Fluids, Magnetic fields, Rheology, Rotors, Vibration control
Proceedings Papers

Modal Testing of Rotating Discs Using a Scanning LDV

Anthony B. Stanbridge, David J. Ewins
Proc. ASME. DETC95, Volume 3B: 15th Biennial Conference on Mechanical Vibration and Noise — Acoustics, Vibrations, and Rotating Machines, 1207-1213, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0517
https://doi.org/10.1115/DETC1995-0517
View Paper titled, Modal Testing of Rotating Discs Using a Scanning LDV
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Topics: Rotating disks, Testing, Disks, Excitation, Impellers, Laser Doppler vibrometers, Mode shapes, Traveling waves
Proceedings Papers

Friction Dampers: Measurement, Modelling and Application to Blade Vibration Control

Kenan Y. Sanliturk, Anthony B. Stanbridge, David J. Ewins
Proc. ASME. DETC95, Volume 3B: 15th Biennial Conference on Mechanical Vibration and Noise — Acoustics, Vibrations, and Rotating Machines, 1377-1382, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0538
https://doi.org/10.1115/DETC1995-0538
View Paper titled, Friction Dampers: Measurement, Modelling and Application to Blade Vibration Control
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Topics: Blades, Dampers, Friction, Modeling, Vibration control, Dry friction, Stress, Testing
Proceedings Papers

Experimental Investigation of Dry Friction Damping and Cubic Stiffness Non-Linearity

Anthony B. Stanbridge, David J. Ewins, Kenan Y. Sanliturk, Janito V. Ferreira
Proc. ASME. IDETC-CIE2001, Volume 6B: 18th Biennial Conference on Mechanical Vibration and Noise, 2141-2148, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21556
https://doi.org/10.1115/DETC2001/VIB-21556
View Paper titled, Experimental Investigation of Dry Friction Damping and Cubic Stiffness Non-Linearity
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Topics: Damping, Dry friction, Frequency response, Friction, Stiffness, Dampers, Nonlinear vibration, Transducers, Vibration, Vibration measurement
Journal Articles

Nonlinear Dynamics of a Simplified Model of an Overhung Rotor Subjected to Intermittent Annular Rubs

Andrea Zilli, Robin J. Williams, David J. Ewins
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Design Innovation Paper
J. Eng. Gas Turbines Power. June 2015, 137(6): 065001.
Paper No: GTP-14-1444
https://doi.org/10.1115/1.4028844
Published Online: June 1, 2015
View Article titled, Nonlinear Dynamics of a Simplified Model of an Overhung Rotor Subjected to Intermittent Annular Rubs
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Topics: Rotors, Transients (Dynamics), Bifurcation, Synchronization
Proceedings Papers

A Probabilistic Analysis of Single-Degree-of-Freedom Blade Vibration

Kenan Y. Sanliturk, Mehmet Imregun, David J. Ewins
Proc. ASME. GT1993, Volume 3B: General, V03BT16A020, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-264
https://doi.org/10.1115/93-GT-264
View Paper titled, A Probabilistic Analysis of Single-Degree-of-Freedom Blade Vibration
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Topics: Blades, Vibration, Damping, Stiffness, Density, Frequency response, Probability, Statistical analysis, Statistical distributions, Turbomachinery
Proceedings Papers

Underplatform Dampers for Turbine Blades: Theoretical Modelling, Analysis and Comparison With Experimental Data

Kenan Y. Sanliturk, David J. Ewins, Anthony B. Stanbridge
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A037, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-335
https://doi.org/10.1115/99-GT-335
View Paper titled, Underplatform Dampers for Turbine Blades: Theoretical Modelling, Analysis and Comparison With Experimental Data
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Topics: Dampers, Modeling analysis, Turbine blades, Vibration, Damping, Blades, Cantilever beams, Disks, Finishes, Friction
Proceedings Papers

Friction Damper Optimisation: Simulation of Rainbow Tests

Kenan Y. Sanliturk, David J. Ewins, Robert Elliott, Jeff S. Green
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A038, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-336
https://doi.org/10.1115/99-GT-336
View Paper titled, Friction Damper Optimisation: Simulation of Rainbow Tests
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Topics: Dampers, Friction, Optimization, Simulation, Blades, Disks, Weight (Mass), Manufacturing, Turbomachinery, Vibration
Proceedings Papers

Non-Linear Dynamics of a Simplified Model of an Overhung Rotor Subjected to Intermittent Annular Rubs

Andrea Zilli, Robin J. Williams, David J. Ewins
Proc. ASME. GT2014, Volume 7A: Structures and Dynamics, V07AT31A031, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26826
https://doi.org/10.1115/GT2014-26826
View Paper titled, Non-Linear Dynamics of a Simplified Model of an Overhung Rotor Subjected to Intermittent Annular Rubs
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Topics: Nonlinear dynamics, Rotors, Stability, Stators, Stiffness, Synchronization, Transients (Dynamics), Whirls, Bifurcation, Blades
Proceedings Papers

The Dynamics of a Cracked Rotor With an Active Magnetic Bearing

Changsheng Zhu, David A. Robb, David J. Ewins
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A062, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0595
https://doi.org/10.1115/2001-GT-0595
View Paper titled, The Dynamics of a Cracked Rotor With an Active Magnetic Bearing
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Topics: Dynamics (Mechanics), Magnetic bearings, Rotors, Fracture (Materials), Control equipment, Stability, Adaptive control, Control systems, Design, Vibration
Proceedings Papers

Friction Damping Modeling in High Stress Contact Areas Using Microslip Friction Model

Francisco J. Marquina, Armando Coro, Alberto Gutie´rrez, Roberto Alonso, David J. Ewins, Giovanna Girini
Proc. ASME. GT2008, Volume 5: Structures and Dynamics, Parts A and B, 309-318, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50359
https://doi.org/10.1115/GT2008-50359
View Paper titled, Friction Damping Modeling in High Stress Contact Areas Using Microslip Friction Model
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Topics: Damping, Friction, Modeling, Stress, Blades, Dampers, Rotors, Coulombs, Disks, Engineering simulation
Proceedings Papers

Experimental and Numerical Investigation of Rotating Bladed Disk Forced Response Using Under-Platform Friction Dampers

Ibrahim A. Sever, Evgeny E. Petrov, David J. Ewins
Proc. ASME. GT2007, Volume 5: Turbo Expo 2007, 323-333, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27307
https://doi.org/10.1115/GT2007-27307
View Paper titled, Experimental and Numerical Investigation of Rotating Bladed Disk Forced Response Using Under-Platform Friction Dampers
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Topics: Dampers, Disks, Friction, Dynamics (Mechanics), Excitation, Roofs, Vacuum, Vibration
Journal Articles

Experimental and Numerical Investigation of Rotating Bladed Disk Forced Response Using Underplatform Friction Dampers

Ibrahim A. Sever, Evgeny P. Petrov, David J. Ewins
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2008, 130(4): 042503.
https://doi.org/10.1115/1.2903845
Published Online: April 29, 2008
View Article titled, Experimental and Numerical Investigation of Rotating Bladed Disk Forced Response Using Underplatform Friction Dampers
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Topics: Blades, Dampers, Disks, Excitation, Friction, Vibration, Resonance
Journal Articles

A Mechanism of Low Subharmonic Response in Rotor/Stator Contact—Measurements and Simulations

Go¨tz von Groll, David J. Ewins
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. July 2002, 124(3): 350–358.
https://doi.org/10.1115/1.1467648
Published Online: June 12, 2002
View Article titled, A Mechanism of Low Subharmonic Response in Rotor/Stator Contact—Measurements and Simulations
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Topics: Rotors, Stators, Vibration, Simulation