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Ahmed G. El-Shafei
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Journal Articles

Analysis of Steady-State Rolling Contact Problems in Nonlinear Viscoelastic Materials

Alaa A. Abdelrahman, Ahmed G. El-Shafei, Fatin F. Mahmoud
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. July 2015, 137(3): 031402.
Paper No: TRIB-14-1183
https://doi.org/10.1115/1.4029938
Published Online: July 1, 2015
View Article titled, Analysis of Steady-State Rolling Contact Problems in Nonlinear Viscoelastic Materials
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Topics: Friction, Rolling contact, Steady state, Stress, Wheels, Pressure, Cylinders, Constitutive equations
Journal Articles

Modeling of Quasistatic Thermoviscoelastic Frictional Contact Problems

Ahmed G. El-Shafei
Journal: Journal of Tribology
Publisher: ASME
Article Type: Contact Mechanics
J. Tribol. January 2012, 134(1): 011403.
https://doi.org/10.1115/1.4005522
Published Online: March 6, 2012
View Article titled, Modeling of Quasistatic Thermoviscoelastic Frictional Contact Problems
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Topics: Constitutive equations, Contact mechanics, Displacement, Friction, Modeling, Stress, Temperature, Relaxation (Physics)
Proceedings Papers

Effect of Material Characteristics on Viscoelastic Frictionless Contact Configuration

Fatin F. Mahmoud, Ahmed G. El-Shafei, Mohamed A. Attia
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 565-567, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71125
https://doi.org/10.1115/IJTC2008-71125
View Paper titled, Effect of Material Characteristics on Viscoelastic Frictionless Contact Configuration
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Topics: Computer programming, Contact mechanics, Elasticity, Pressure, Relaxation (Physics), Stress concentration, Tribology, Viscoelastic materials
Proceedings Papers

An Incremental Adaptive Procedure for Viscoelastic Contact Problems

Fatin F. Mahmoud, Ahmed G. El-Shafei, Mohamed A. Attia
Proc. ASME. IJTC2006, Part A: Tribomaterials; Lubricants and Additives; Elastohydrodynamic Lubrication; Hydrodynamic Lubrication and Fluid Film Bearings; Rolling Element Bearings; Engine Tribology; Machine Components Tribology; Contact Mechanics, 729-738, October 23–25, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2006-12073
https://doi.org/10.1115/IJTC2006-12073
View Paper titled, An Incremental Adaptive Procedure for Viscoelastic Contact Problems
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Topics: Computer programming, Contact mechanics
Journal Articles

A Numerical Solution for Quasistatic Viscoelastic Frictional Contact Problems

Fatin F. Mahmoud, Ahmed G. El-Shafei, Amal E. Al-Shorbagy, Alaa A. Abdel Rahman
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2008, 130(1): 011012.
https://doi.org/10.1115/1.2806202
Published Online: December 26, 2007
View Article titled, A Numerical Solution for Quasistatic Viscoelastic Frictional Contact Problems
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Topics: Contact mechanics, Creep, Displacement, Friction, Relaxation (Physics), Stress, Viscoelastic materials, Computer programming, Stiffness, Viscoelasticity
Journal Articles

An Incremental Adaptive Procedure for Viscoelastic Contact Problems

Fatin F. Mahmoud, Ahmed G. El-Shafei, Mohamed A. Attia
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. April 2007, 129(2): 305–313.
https://doi.org/10.1115/1.2464139
Published Online: November 11, 2006
View Article titled, An Incremental Adaptive Procedure for Viscoelastic Contact Problems
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Topics: Computer programming, Contact mechanics, Pressure, Stress, Relaxation (Physics), Viscoelastic materials, Viscoelasticity