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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
Paper No: DETC97/VIB-3926
DOI: https://doi.org/10.1115/DETC97/VIB-3926
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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
Paper No: DETC2001/VIB-21432
DOI: https://doi.org/10.1115/DETC2001/VIB-21432
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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
Article Type: Research-Article
J. Vib. Acoust. June 2019, 141(3): 031005.
Paper No: VIB-18-1105
DOI: https://doi.org/10.1115/1.4042040
Published Online: February 4, 2019
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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
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2018, 13(9): 090910.
Paper No: CND-17-1339
DOI: https://doi.org/10.1115/1.4040239
Published Online: July 26, 2018
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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
Paper No: DETC2017-67787
DOI: https://doi.org/10.1115/DETC2017-67787
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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
Article Type: Research-Article
J. Vib. Acoust. October 2017, 139(5): 051009.
Paper No: VIB-16-1462
DOI: https://doi.org/10.1115/1.4036468
Published Online: June 28, 2017
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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
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062801.
Paper No: GTP-16-1220
DOI: https://doi.org/10.1115/1.4035282
Published Online: January 24, 2017
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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
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2015, 137(3): 032512.
Paper No: GTP-14-1296
DOI: https://doi.org/10.1115/1.4028496
Published Online: October 14, 2014
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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
Article Type: Research-Article
J. Vib. Acoust. August 2014, 136(4): 041007.
Paper No: VIB-13-1420
DOI: https://doi.org/10.1115/1.4027403
Published Online: April 30, 2014
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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
Paper No: DETC2013-13014
DOI: https://doi.org/10.1115/DETC2013-13014
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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
Article Type: Technical Briefs
J. Mech. Des. February 2014, 136(2): 024501.
Paper No: MD-12-1465
DOI: https://doi.org/10.1115/1.4025794
Published Online: December 11, 2013
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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
Article Type: Research-Article
J. Vib. Acoust. February 2014, 136(1): 011001.
Paper No: VIB-13-1060
DOI: https://doi.org/10.1115/1.4025206
Published Online: September 12, 2013
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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
Paper No: ICES2012-81045
DOI: https://doi.org/10.1115/ICES2012-81045
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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
Paper No: ICES2012-81125
DOI: https://doi.org/10.1115/ICES2012-81125
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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
Article Type: Internal Combustion Engines
J. Eng. Gas Turbines Power. September 2012, 134(9): 092801.
DOI: https://doi.org/10.1115/1.4006690
Published Online: July 18, 2012
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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
Paper No: DETC2005-85669
DOI: https://doi.org/10.1115/DETC2005-85669
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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
Paper No: IMECE2003-43820
DOI: https://doi.org/10.1115/IMECE2003-43820
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Topics: Simulation, Vibration, Dynamic analysis, Finite element analysis, Impact testing, Noise (Sound), Oscillations, Stress