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Proceedings Papers

Piecewise Linear Systems With Time Varying Coefficients

S. Natsiavas, S. Theodossiades
Proc. ASME. DETC97, Volume 1D: 16th Biennial Conference on Mechanical Vibration and Noise, V01DT19A004, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/VIB-3926
https://doi.org/10.1115/DETC97/VIB-3926
View Paper titled, Piecewise Linear Systems With Time Varying Coefficients
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Topics: Linear systems, Gears, Stress, Damping, Linear dynamic system, Steady state, Torque
Proceedings Papers

Geared Rotordynamic Systems on Hydrodynamic Bearings

S. Theodossiades, S. Natsiavas
Proc. ASME. IDETC-CIE2001, Volume 6A: 18th Biennial Conference on Mechanical Vibration and Noise, 1099-1107, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21432
https://doi.org/10.1115/DETC2001/VIB-21432
View Paper titled, Geared Rotordynamic Systems on Hydrodynamic Bearings
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Topics: Bearings, Dynamics (Mechanics), Engines, Gears, Journal bearings, Motors, Stability, Stress, System dynamics, Torque
Journal Articles

A Nonlinear Concept of Electromagnetic Energy Harvester for Rotational Applications

B. E. Gunn, S. Theodossiades, S. J. Rothberg
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. June 2019, 141(3): 031005.
Paper No: VIB-18-1105
https://doi.org/10.1115/1.4042040
Published Online: February 4, 2019
View Article titled, A Nonlinear Concept of Electromagnetic Energy Harvester for Rotational Applications
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Topics: Damping, Energy harvesting, Inertia (Mechanics), Stiffness, Rotors
Journal Articles

Design Optimization Study of a Nonlinear Energy Absorber for Internal Combustion Engine Pistons

N. Dolatabadi, S. Theodossiades, S. J. Rothberg
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2018, 13(9): 090910.
Paper No: CND-17-1339
https://doi.org/10.1115/1.4040239
Published Online: July 26, 2018
View Article titled, Design Optimization Study of a Nonlinear Energy Absorber for Internal Combustion Engine Pistons
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Proceedings Papers

Power Loss Investigation in an Internal Combustion Engine Piston Equipped With a Nonlinear Energy Absorber

N. Dolatabadi, S. Theodossiades, S. J. Rothberg
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A006, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67787
https://doi.org/10.1115/DETC2017-67787
View Paper titled, Power Loss Investigation in an Internal Combustion Engine Piston Equipped With a Nonlinear Energy Absorber
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Topics: Internal combustion engines, Pistons, Engines, Noise (Sound), Cylinders, Dynamics (Mechanics), Energy transformation, Fluctuations (Physics), Manufacturing
Journal Articles

Passive Control of Piston Secondary Motion Using Nonlinear Energy Absorbers

N. Dolatabadi, S. Theodossiades, S. J. Rothberg
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2017, 139(5): 051009.
Paper No: VIB-16-1462
https://doi.org/10.1115/1.4036468
Published Online: June 28, 2017
View Article titled, Passive Control of Piston Secondary Motion Using Nonlinear Energy Absorbers
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Topics: Pistons, Dynamics (Mechanics), Engines
Journal Articles

On the Transient Three-Dimensional Tribodynamics of Internal Combustion Engine Top Compression Ring

C. Baker, S. Theodossiades, R. Rahmani, H. Rahnejat, B. Fitzsimons
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062801.
Paper No: GTP-16-1220
https://doi.org/10.1115/1.4035282
Published Online: January 24, 2017
View Article titled, On the Transient Three-Dimensional Tribodynamics of Internal Combustion Engine Top Compression Ring
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Topics: Compression, Cylinders, Dynamics (Mechanics), Engines, Friction, Lubricants, Pistons, Pressure, Transients (Dynamics), Temperature
Journal Articles

On the Effect of Transient In-Plane Dynamics of the Compression Ring Upon Its Tribological Performance

C. Baker, R. Rahmani, S. Theodossiades, H. Rahnejat, B. Fitzsimons
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2015, 137(3): 032512.
Paper No: GTP-14-1296
https://doi.org/10.1115/1.4028496
Published Online: October 14, 2014
View Article titled, On the Effect of Transient In-Plane Dynamics of the Compression Ring Upon Its Tribological Performance
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Topics: Compression, Cylinders, Dynamics (Mechanics), Engines, Friction, Lubricants, Pressure, Temperature, Transients (Dynamics), Tribology
Journal Articles

Multiphysics Investigations on the Dynamics of Differential Hypoid Gears

M. Mohammadpour, S. Theodossiades, H. Rahnejat
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. August 2014, 136(4): 041007.
Paper No: VIB-13-1420
https://doi.org/10.1115/1.4027403
Published Online: April 30, 2014
View Article titled, Multiphysics Investigations on the Dynamics of Differential Hypoid Gears
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Topics: Bearings, Damping, Dynamics (Mechanics), Friction, Gears, Spiral bevel gears, Stiffness, Stress, Torque, Vehicles
Proceedings Papers

Dynamic Analysis of Automotive Hypoid Gears

I. Karagiannis, S. Theodossiades
Proc. ASME. IDETC-CIE2013, Volume 7A: 9th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V07AT10A067, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13014
https://doi.org/10.1115/DETC2013-13014
View Paper titled, Dynamic Analysis of Automotive Hypoid Gears
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Topics: Dynamic analysis, Spiral bevel gears, Dynamics (Mechanics), Vibration, Wheels, Automotive industry, Design, Errors, Gears, Modeling
Journal Articles

Tailoring Strongly Nonlinear Negative Stiffness

F. Liu, S. Theodossiades, D. M. McFarland, A. F. Vakakis, L. A. Bergman
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. February 2014, 136(2): 024501.
Paper No: MD-12-1465
https://doi.org/10.1115/1.4025794
Published Online: December 11, 2013
View Article titled, Tailoring Strongly Nonlinear Negative Stiffness
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Topics: Equilibrium (Physics), Springs, Stiffness, Deflection
Journal Articles

An Alternative Formulation of the Dynamic Transmission Error to Study the Oscillations of Automotive Hypoid Gears

I. Karagiannis, S. Theodossiades
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. February 2014, 136(1): 011001.
Paper No: VIB-13-1060
https://doi.org/10.1115/1.4025206
Published Online: September 12, 2013
View Article titled, An Alternative Formulation of the Dynamic Transmission Error to Study the Oscillations of Automotive Hypoid Gears
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Topics: Errors, Gears, Spiral bevel gears, Torque, Vehicles, Stiffness, Dynamic response, Dynamics (Mechanics), Wheels, Oscillations
Proceedings Papers

Friction Under Transient Mixed Regime of Lubrication in Conjunction of an Elastic Ring Within a Real Cylinder

C. E. Baker, S. Theodossiades, H. Rahnejat
Proc. ASME. ICES2012, ASME 2012 Internal Combustion Engine Division Spring Technical Conference, 667-672, May 6–9, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICES2012-81045
https://doi.org/10.1115/ICES2012-81045
View Paper titled, Friction Under Transient Mixed Regime of Lubrication in Conjunction of an Elastic Ring Within a Real Cylinder
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Topics: Cylinders, Friction, Lubrication, Transients (Dynamics), Compression, Engines, Manufacturing, Tribology, Arches, Circular cylinders
Proceedings Papers

Assessment of Thermo-Structural Effects on EHL Piston Skirt Lubrication

B. Littlefair, S. Howell-Smith, H. Rahnejat, S. Theodossiades
Proc. ASME. ICES2012, ASME 2012 Internal Combustion Engine Division Spring Technical Conference, 973-978, May 6–9, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICES2012-81125
https://doi.org/10.1115/ICES2012-81125
View Paper titled, Assessment of Thermo-Structural Effects on EHL Piston Skirt Lubrication
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Topics: Lubrication, Pistons, Lubricants, Shapes, Stress, Cylinders, Deformation, Friction, Fuel efficiency, Operating temperature
Journal Articles

Influence of In-Plane Dynamics of Thin Compression Rings on Friction in Internal Combustion Engines

C. E. Baker, S. Theodossiades, H. Rahnejat, B. Fitzsimons
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Internal Combustion Engines
J. Eng. Gas Turbines Power. September 2012, 134(9): 092801.
https://doi.org/10.1115/1.4006690
Published Online: July 18, 2012
View Article titled, Influence of In-Plane Dynamics of Thin Compression Rings on Friction in Internal Combustion Engines
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Topics: Compression, Dynamics (Mechanics), Friction, Tribology, Lubrication, Pressure, Transients (Dynamics), Mode shapes, Engines
Proceedings Papers

Determination of Engine Roughness Using Multi-Physics Numerical Predictions

M. Perera, S. Theodossiades, H. Rahnejat
Proc. ASME. IDETC-CIE2005, Volume 1: 20th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 841-847, September 24–28, 2005
Publisher: American Society of Mechanical Engineers
Paper No: DETC2005-85669
https://doi.org/10.1115/DETC2005-85669
View Paper titled, Determination of Engine Roughness Using Multi-Physics Numerical Predictions
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Topics: Dynamics (Mechanics), Engines, Physics, Surface roughness, Tribology
Proceedings Papers

Elasto-Multibody Dynamic Simulation of Impact Induced High Frequency Vehicular Driveline Vibrations

M. Gnanakumarr, S. Theodossiades, H. Rahnejat, M. Menday
Proc. ASME. IMECE2003, Design Engineering, Volumes 1 and 2, 1099-1111, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-43820
https://doi.org/10.1115/IMECE2003-43820
View Paper titled, Elasto-Multibody Dynamic Simulation of Impact Induced High Frequency Vehicular Driveline Vibrations
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Topics: Simulation, Vibration, Dynamic analysis, Finite element analysis, Impact testing, Noise (Sound), Oscillations, Stress