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Journal Articles

An Experimental and Theoretical Study of Gear Vibro-impacts Caused by Torque Reversals

Accepted Manuscript
Michael O'Toole, Ata Donmez, Ahmet Kahraman
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam.
Paper No: CND-24-1281
https://doi.org/10.1115/1.4067521
Published Online: December 24, 2024
View Article titled, An Experimental and Theoretical Study of Gear Vibro-impacts Caused by Torque Reversals
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Topics: Gears, Torque, Transients (Dynamics), Dynamic models, Dynamic response, Dynamics (Mechanics), Gear trains, Noise (Sound), Regenerative braking, Steady state
Journal Articles

An Investigation of Dynamic Behavior of Electric Vehicle Gear Trains

Ata Donmez, Ahmet Kahraman
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. February 2025, 20(2): 021003.
Paper No: CND-24-1151
https://doi.org/10.1115/1.4067153
Published Online: December 9, 2024
View Article titled, An Investigation of Dynamic Behavior of Electric Vehicle Gear Trains
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Topics: Electric vehicles, Excitation, Gear trains, Gears, Torque, Steady state, Transients (Dynamics), Deflection, Fluctuations (Physics), Resonance
Proceedings Papers

Vibro-Impacts of a Piecewise-Linear System With a Clearance

Ata Donmez, Ahmet Kahraman
Proc. ASME. IDETC-CIE2024, Volume 9: 20th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V009T09A005, August 25–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: DETC2024-142858
https://doi.org/10.1115/DETC2024-142858
View Paper titled, Vibro-Impacts of a Piecewise-Linear System With a Clearance
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Topics: Bifurcation, Clearances (Engineering), Design, Dynamic response, Engineering systems and industry applications, Fluctuations (Physics), Gears, Linear systems, Noise (Sound)
Proceedings Papers

An Experimental Investigation of the Effects of Lubrication on Rattling Motions and Noise of a Gear Pair

Ata Donmez, Ahmet Kahraman, Michael Handschuh, Michael O’Toole
Proc. ASME. IDETC-CIE2023, Volume 11: 2023 International Power Transmission and Gearing Conference (PTG), V011T11A014, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-117076
https://doi.org/10.1115/DETC2023-117076
View Paper titled, An Experimental Investigation of the Effects of Lubrication on Rattling Motions and Noise of a Gear Pair
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Topics: Gears, Lubrication, Noise (Sound), Fluctuations (Physics), Lubricants, Acoustics, Damping, Gear teeth, Industrial lubrication systems, Machinery
Proceedings Papers

A Generalized Torsional Dynamics Formulation for Multi-Mesh Gear Trains With Clearances and Torque Fluctuations

Ata Donmez, Ahmet Kahraman
Proc. ASME. IDETC-CIE2022, Volume 9: 18th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V009T09A024, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-88988
https://doi.org/10.1115/DETC2022-88988
View Paper titled, A Generalized Torsional Dynamics Formulation for Multi-Mesh Gear Trains With Clearances and Torque Fluctuations
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Topics: Dynamics (Mechanics), Fluctuations (Physics), Gear trains, Torque
Journal Articles

Vibro-Impact Motions of a Three-Degree-of-Freedom Geartrain Subjected to Torque Fluctuations: Model and Experiments

Ata Donmez, Ahmet Kahraman
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. December 2022, 17(12): 121002.
Paper No: CND-22-1106
https://doi.org/10.1115/1.4055595
Published Online: October 7, 2022
View Article titled, Vibro-Impact Motions of a Three-Degree-of-Freedom Geartrain Subjected to Torque Fluctuations: Model and Experiments
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Topics: Fluctuations (Physics), Gears, Torque, Excitation
Journal Articles

A Rattle Noise Severity Index for Multi-Mesh Gear Trains Subjected to Torque Fluctuations

Ata Donmez, Ahmet Kahraman
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2023, 145(1): 011007.
Paper No: VIB-22-1154
https://doi.org/10.1115/1.4055134
Published Online: September 13, 2022
View Article titled, A Rattle Noise Severity Index for Multi-Mesh Gear Trains Subjected to Torque Fluctuations
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Topics: Fluctuations (Physics), Gear trains, Gears, Noise (Sound), Sound pressure, Torque, Dynamic models, Dynamics (Mechanics)
Journal Articles

Characterization of Nonlinear Rattling Behavior of a Gear Pair Through a Validated Torsional Model

Ata Donmez, Ahmet Kahraman
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. April 2022, 17(4): 041006.
Paper No: CND-21-1275
https://doi.org/10.1115/1.4053367
Published Online: February 14, 2022
View Article titled, Characterization of Nonlinear Rattling Behavior of a Gear Pair Through a Validated Torsional Model
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Topics: Gears, Torque, Excitation, Fluctuations (Physics), Damping
Journal Articles

Experimental and Theoretical Investigation of Vibro-impact Motions of a Gear Pair Subjected to Torque Fluctuations to Define a Rattle Noise Severity Index

Ata Donmez, Ahmet Kahraman
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. August 2022, 144(4): 041001.
Paper No: VIB-21-1320
https://doi.org/10.1115/1.4053264
Published Online: January 13, 2022
View Article titled, Experimental and Theoretical Investigation of Vibro-impact Motions of a Gear Pair Subjected to Torque Fluctuations to Define a Rattle Noise Severity Index
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Topics: Fluctuations (Physics), Gears, Noise (Sound), Sound pressure, Torque
Proceedings Papers

The Effect of Stiffness and Loading Deviations in a Nonlinear Isolator Having Quasi Zero Stiffness and Geometrically Nonlinear Damping

Ata Donmez, Ender Cigeroglu, Gokhan O. Ozgen
Proc. ASME. IMECE2017, Volume 4B: Dynamics, Vibration, and Control, V04BT05A051, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-70963
https://doi.org/10.1115/IMECE2017-70963
View Paper titled, The Effect of Stiffness and Loading Deviations in a Nonlinear Isolator Having Quasi Zero Stiffness and Geometrically Nonlinear Damping
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Topics: Damping, Stiffness, Algebra, Deflection, Degrees of freedom, Linear vibration, Newton's method, Nonlinear differential equations