1-20 of 22
Christopher G. Cooley
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Investigation of Planetary Gear Elastic Vibrations Using a Finite Element/Contact Mechanics Formulation

Christopher G. Cooley, Adrian A. Hood
Proc. ASME. IDETC-CIE2023, Volume 12: 35th Conference on Mechanical Vibration and Sound (VIB), V012T12A024, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-117164
https://doi.org/10.1115/DETC2023-117164
View Paper titled, Investigation of Planetary Gear Elastic Vibrations Using a Finite Element/Contact Mechanics Formulation
Open the PDF for Investigation of Planetary Gear Elastic Vibrations Using a Finite Element/Contact Mechanics Formulation in another window
Topics: Contact mechanics, Finite element analysis, Planetary gears, Vibration, Gears, Damage, Cycles, Emissions, Failure mechanisms, Noise (Sound)
Journal Articles

Leveraging Dynamics-Induced Snap-Through Instabilities to Access Giant Deformations in Dielectric Elastomer Membranes

Christopher G. Cooley, Robert L. Lowe
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. August 2023, 90(8): 084501.
Paper No: JAM-23-1076
https://doi.org/10.1115/1.4062224
Published Online: April 12, 2023
View Article titled, Leveraging Dynamics-Induced Snap-Through Instabilities to Access Giant Deformations in Dielectric Elastomer Membranes
Open the PDF for Leveraging Dynamics-Induced Snap-Through Instabilities to Access Giant Deformations in Dielectric Elastomer Membranes in another window
Topics: Elastomers, Membranes, Deformation, Equilibrium (Physics), Dynamics (Mechanics), Electric fields
Proceedings Papers

Soft Piezoelectric Composites: Synthesis, Electro-Elastic Property Characterization, and Non-Linear Constitutive Modeling

Robert L. Lowe, Joseph G. Beckett, Christopher G. Cooley, Zongwu Bai, Paul E. Kladitis
Proc. ASME. IMECE2021, Volume 12: Mechanics of Solids, Structures, and Fluids; Micro- and Nano- Systems Engineering and Packaging, V012T12A038, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-71197
https://doi.org/10.1115/IMECE2021-71197
View Paper titled, Soft Piezoelectric Composites: Synthesis, Electro-Elastic Property Characterization, and Non-Linear Constitutive Modeling
Open the PDF for Soft Piezoelectric Composites: Synthesis, Electro-Elastic Property Characterization, and Non-Linear Constitutive Modeling in another window
Topics: Composite materials, Modeling, Constitutive equations, Particulate matter, Bridges (Structures), Brittleness, Dynamics (Mechanics), Electric fields, Energy harvesting, Engineering prototypes
Proceedings Papers

Finite Element/Contact Mechanics Analysis of Spur Gear Pairs With Tooth Root Cracks

Yaosen Wang, Adrian A. Hood, Christopher G. Cooley
Proc. ASME. IDETC-CIE2021, Volume 10: 33rd Conference on Mechanical Vibration and Sound (VIB), V010T10A024, August 17–19, 2021
Publisher: American Society of Mechanical Engineers
Paper No: DETC2021-71896
https://doi.org/10.1115/DETC2021-71896
View Paper titled, Finite Element/Contact Mechanics Analysis of Spur Gear Pairs With Tooth Root Cracks
Open the PDF for Finite Element/Contact Mechanics Analysis of Spur Gear Pairs With Tooth Root Cracks in another window
Topics: Contact mechanics, Finite element analysis, Fracture (Materials), Spur gears, Errors, Damage, Deformation, Dynamic response, Gear teeth, Frequency response
Proceedings Papers

Dynamic Stiffness of Dielectric Elastomer Isolators

Christopher G. Cooley, Robert L. Lowe
Proc. ASME. SMASIS2021, ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T07A016, September 14–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2021-68371
https://doi.org/10.1115/SMASIS2021-68371
View Paper titled, Dynamic Stiffness of Dielectric Elastomer Isolators
Open the PDF for Dynamic Stiffness of Dielectric Elastomer Isolators in another window
Topics: Elastomers, Stiffness, Stress, Design, Displacement, Excitation, Fluctuations (Physics), Resonance, Vibration isolation, Deflection
Proceedings Papers

Nonlinear Dynamics of a Dielectric Elastomer Membrane Under Compressive Loading

Robert L. Lowe, Christopher G. Cooley
Proc. ASME. IMECE2020, Volume 12: Mechanics of Solids, Structures, and Fluids, V012T12A032, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-24275
https://doi.org/10.1115/IMECE2020-24275
View Paper titled, Nonlinear Dynamics of a Dielectric Elastomer Membrane Under Compressive Loading
Open the PDF for Nonlinear Dynamics of a Dielectric Elastomer Membrane Under Compressive Loading in another window
Topics: Elastomers, Membranes, Nonlinear dynamics, Dynamic response, Frequency response, Resonance, Stress, Vibration, Constitutive equations, Equations of motion
Proceedings Papers

Non-Linear Vibration of Thick Dielectric Membrane Disks With Radial Loads

Christopher G. Cooley, Robert L. Lowe
Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A007, September 15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2020-2326
https://doi.org/10.1115/SMASIS2020-2326
View Paper titled, Non-Linear Vibration of Thick Dielectric Membrane Disks With Radial Loads
Open the PDF for Non-Linear Vibration of Thick Dielectric Membrane Disks With Radial Loads in another window
Topics: Disks, Membranes, Nonlinear vibration, Stress, Equilibrium (Physics), Frequency response, Inertia (Mechanics), Vibration, Compressive stress, Constitutive equations
Proceedings Papers

Energy Harvesting From the Vibration and Rotation of Host Systems Using Piezoelectric Devices

Christopher G. Cooley
Proc. ASME. SMASIS2019, ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T07A002, September 9–11, 2019
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2019-5629
https://doi.org/10.1115/SMASIS2019-5629
View Paper titled, Energy Harvesting From the Vibration and Rotation of Host Systems Using Piezoelectric Devices
Open the PDF for Energy Harvesting From the Vibration and Rotation of Host Systems Using Piezoelectric Devices in another window
Topics: Energy harvesting, Rotation, Vibration, Excitation, Dynamic response, Tires
Journal Articles

An Efficient Hybrid Analytical-Computational Method for Nonlinear Vibration of Spur Gear Pairs

Xiang Dai, Christopher G. Cooley, Robert G. Parker
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. February 2019, 141(1): 011006.
Paper No: VIB-17-1405
https://doi.org/10.1115/1.4040674
Published Online: August 13, 2018
View Article titled, An Efficient Hybrid Analytical-Computational Method for Nonlinear Vibration of Spur Gear Pairs
Open the PDF for An Efficient Hybrid Analytical-Computational Method for Nonlinear Vibration of Spur Gear Pairs in another window
Topics: Deflection, Gears, Vibration, Deformation, Stress, Stiffness, Torque, Spur gears
Proceedings Papers

Analysis of the Housing Vibration of a Rotorcraft Planetary Gear Using a Finite Element/Contact Mechanics Model

Christopher G. Cooley, Adrian A. Hood
Proc. ASME. IDETC-CIE2017, Volume 10: 2017 ASME International Power Transmission and Gearing Conference, V010T11A018, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67984
https://doi.org/10.1115/DETC2017-67984
View Paper titled, Analysis of the Housing Vibration of a Rotorcraft Planetary Gear Using a Finite Element/Contact Mechanics Model
Open the PDF for Analysis of the Housing Vibration of a Rotorcraft Planetary Gear Using a Finite Element/Contact Mechanics Model in another window
Topics: Contact mechanics, Finite element analysis, Planetary gears, Vibration, Errors, Manufacturing, Spectra (Spectroscopy), Accelerometers, Damage, Deflection
Journal Articles

Energy Harvesting From the Vibrations of Rotating Systems

Christopher G. Cooley, Tan Chai
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2018, 140(2): 021010.
Paper No: VIB-16-1588
https://doi.org/10.1115/1.4038106
Published Online: October 20, 2017
View Article titled, Energy Harvesting From the Vibrations of Rotating Systems
Open the PDF for Energy Harvesting From the Vibrations of Rotating Systems in another window
Topics: Energy harvesting, Excitation, Rotation, Vibration, Resonance, Dynamic response, Damping
Proceedings Papers

Vibration of High-Speed Compliant Gear Pairs

Christopher G. Cooley, Robert G. Parker
Proc. ASME. IDETC-CIE2016, Volume 8: 28th Conference on Mechanical Vibration and Noise, V008T10A042, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59761
https://doi.org/10.1115/DETC2016-59761
View Paper titled, Vibration of High-Speed Compliant Gear Pairs
Open the PDF for Vibration of High-Speed Compliant Gear Pairs in another window
Topics: Gears, Vibration, Rotation, Eigenvalues, Stiffness, Aerospace industry, Boundary-value problems, Deflection, Electromagnetic spectrum, Equations of motion
Proceedings Papers

Prediction and Experimental Correlation of Tooth Root Strains in Spur Gear Pairs

Xiang Dai, Christopher G. Cooley, Robert G. Parker
Proc. ASME. IDETC-CIE2015, Volume 10: ASME 2015 Power Transmission and Gearing Conference; 23rd Reliability, Stress Analysis, and Failure Prevention Conference, V010T11A012, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47517
https://doi.org/10.1115/DETC2015-47517
View Paper titled, Prediction and Experimental Correlation of Tooth Root Strains in Spur Gear Pairs
Open the PDF for Prediction and Experimental Correlation of Tooth Root Strains in Spur Gear Pairs in another window
Topics: Spur gears, Contact mechanics, Finite element analysis, Gears, Resonance, Shapes, Vibration
Journal Articles

A Review of Planetary and Epicyclic Gear Dynamics and Vibrations Research

Christopher G. Cooley, Robert G. Parker
Journal: Applied Mechanics Reviews
Publisher: ASME
Article Type: Review Articles
Appl. Mech. Rev. July 2014, 66(4): 040804.
Paper No: AMR-14-1005
https://doi.org/10.1115/1.4027812
Published Online: June 20, 2014
View Article titled, A Review of Planetary and Epicyclic Gear Dynamics and Vibrations Research
Open the PDF for A Review of Planetary and Epicyclic Gear Dynamics and Vibrations Research in another window
Topics: Gears, Planetary gears, Vibration, Stiffness, Stress, Errors, Dynamics (Mechanics)
Proceedings Papers

Interesting Eigenvalue Behavior in High-Speed Planetary Gears With Gyroscopic Effects

Christopher G. Cooley, Robert G. Parker
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A073, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13419
https://doi.org/10.1115/DETC2013-13419
View Paper titled, Interesting Eigenvalue Behavior in High-Speed Planetary Gears With Gyroscopic Effects
Open the PDF for Interesting Eigenvalue Behavior in High-Speed Planetary Gears With Gyroscopic Effects in another window
Topics: Eigenvalues, Planetary gears, Stability, Rotating disks
Proceedings Papers

Vibration of Spinning Cantilever Beams Undergoing Coupled Bending and Torsional Motion

Christopher G. Cooley, Robert G. Parker
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A068, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13410
https://doi.org/10.1115/DETC2013-13410
View Paper titled, Vibration of Spinning Cantilever Beams Undergoing Coupled Bending and Torsional Motion
Open the PDF for Vibration of Spinning Cantilever Beams Undergoing Coupled Bending and Torsional Motion in another window
Topics: Cantilever beams, Spin (Aerodynamics), Spinning (Textile), Vibration, Rotation, Blades, Equations of motion
Journal Articles

Vibration of Spinning Cantilever Beams With an Attached Rigid Body Undergoing Bending-Bending-Torsional-Axial Motions

Christopher G. Cooley, Robert G. Parker
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. May 2014, 81(5): 051002.
Paper No: JAM-12-1569
https://doi.org/10.1115/1.4025791
Published Online: December 10, 2013
View Article titled, Vibration of Spinning Cantilever Beams With an Attached Rigid Body Undergoing Bending-Bending-Torsional-Axial Motions
Open the PDF for Vibration of Spinning Cantilever Beams With an Attached Rigid Body Undergoing Bending-Bending-Torsional-Axial Motions in another window
Topics: Deformation, Eigenvalues, Rotation, Spin (Aerodynamics), Stiffness, Tension, Torsion, Vibration, Cantilever beams, Equations of motion
Proceedings Papers

Critical Speeds, Divergence, and Flutter Instability in High-Speed Planetary Gears

Christopher G. Cooley, Robert G. Parker
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 1053-1062, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70935
https://doi.org/10.1115/DETC2012-70935
View Paper titled, Critical Speeds, Divergence, and Flutter Instability in High-Speed Planetary Gears
Open the PDF for Critical Speeds, Divergence, and Flutter Instability in High-Speed Planetary Gears in another window
Topics: Flutter (Aerodynamics), Planetary gears, Eigenvalues
Journal Articles

Vibration Properties of High-Speed Planetary Gears With Gyroscopic Effects

Christopher G. Cooley, Robert G. Parker
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. December 2012, 134(6): 061014.
https://doi.org/10.1115/1.4006646
Published Online: October 29, 2012
View Article titled, Vibration Properties of High-Speed Planetary Gears With Gyroscopic Effects
Open the PDF for Vibration Properties of High-Speed Planetary Gears With Gyroscopic Effects in another window
Topics: Eigenvalues, Planetary gears, Vibration
Proceedings Papers

Vibration Structure of Gyroscopic Planetary Gears

Christopher G. Cooley, Robert G. Parker
Proc. ASME. IDETC-CIE2011, Volume 4: 8th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A and B, 1227-1239, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-48506
https://doi.org/10.1115/DETC2011-48506
View Paper titled, Vibration Structure of Gyroscopic Planetary Gears
Open the PDF for Vibration Structure of Gyroscopic Planetary Gears in another window
Topics: Planetary gears, Vibration, Eigenvalues, Flutter (Aerodynamics)