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Ahmed A. Shabana
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Journal Articles

Alternate Forms to Lagrange–D'Alembert Principle for Treatment of Rheonomic Constraints

Ahmed A. Shabana
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Technical Briefs
J. Comput. Nonlinear Dynam. April 2024, 19(4): 044501.
Paper No: CND-23-1239
https://doi.org/10.1115/1.4064722
Published Online: February 29, 2024
View Article titled, Alternate Forms to Lagrange–D'Alembert Principle for Treatment of Rheonomic Constraints
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Topics: Constraint equations, D'Alembert's principle, Equations of motion, Inertia (Mechanics), Displacement
Journal Articles

Kinetic- and Strain-Energy Approaches in the Thermal Analysis of Constrained Mechanical Systems: A Comparative Study

Moataz Abdalla, Ahmed A. Shabana
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. January 2024, 19(1): 011003.
Paper No: CND-23-1157
https://doi.org/10.1115/1.4063725
Published Online: November 10, 2023
View Article titled, Kinetic- and Strain-Energy Approaches in the Thermal Analysis of Constrained Mechanical Systems: A Comparative Study
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Topics: Displacement, Kinetic energy, Stress, Temperature, Thermal expansion, Constitutive equations, Thermal analysis
Journal Articles

Constrained Large-Displacement Thermal Analysis

Ahmed A. Shabana, Mahmoud Elbakly, Dayu Zhang
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. February 2023, 18(2): 021002.
Paper No: CND-22-1202
https://doi.org/10.1115/1.4056182
Published Online: December 12, 2022
View Article titled, Constrained Large-Displacement Thermal Analysis
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Topics: Displacement, Geometry, Stress, Thermal analysis, Thermal expansion, Thermal loads, Deformation, Temperature, Finite element analysis
Journal Articles

Curvature Singularity of Space Curves and Its Relationship to Computational Mechanics

Ahmed A. Shabana
Journal: ASME Open Journal of Engineering
Publisher: ASME
Article Type: Research Papers
ASME Open J. Engineering. January 2022, 1: 011013.
Paper No: AOJE-21-1040
https://doi.org/10.1115/1.4053339
Published Online: March 14, 2022
View Article titled, Curvature Singularity of Space Curves and Its Relationship to Computational Mechanics
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Topics: Geometry, Torsion, Framing (Construction), Structural frames, Computational mechanics
Proceedings Papers

A Study of the Lateral Stability of Railroad Vehicles Using a Nonlinear Constrained Multibody Formulation

Davide Valtorta, Khaled E. Zaazaa, Ahmed A. Shabana, Jalil R. Sany
Proc. ASME. IMECE2001, Rail Transportation, 35-47, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/RTD-25704
https://doi.org/10.1115/IMECE2001/RTD-25704
View Paper titled, A Study of the Lateral Stability of Railroad Vehicles Using a Nonlinear Constrained Multibody Formulation
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Topics: Railroads, Stability, Vehicles, Rails, Wheels, Eigenvalues, Locomotives, Stiffness, Wheelsets
Journal Articles

Actuation and Motion Control of Flexible Robots: Small Deformation Problem

Ahmed A. Shabana, Zhengfeng Bai
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. February 2022, 14(1): 011002.
Paper No: JMR-20-1603
https://doi.org/10.1115/1.4051438
Published Online: July 5, 2021
View Article titled, Actuation and Motion Control of Flexible Robots: Small Deformation Problem
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Topics: Deformation, Dynamics (Mechanics), Robots, Algebra, Motion control, Degrees of freedom, Piezoelectric actuators, Trajectories (Physics)
Proceedings Papers

Absolute Nodal Coordinate Formulation

Ahmed A. Shabana, Hussien A. Hussien, José L. Escalona
Proc. ASME. DETC97, Volume 1A: 16th Biennial Conference on Mechanical Vibration and Noise, V01AT06A016, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/VIB-4227
https://doi.org/10.1115/DETC97/VIB-4227
View Paper titled, Absolute Nodal Coordinate Formulation
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Topics: Deformation, Displacement, Finite element analysis, Inertia (Mechanics), Interpolation, Kinetic energy, Modeling, Multibody dynamics, Plates (structures), Rotation
Journal Articles

Convergence Characteristics of Geometrically Accurate Spatial Finite Elements

Brian Tinsley, Ahmed A. Shabana
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. January 2021, 16(1): 011006.
Paper No: CND-20-1304
https://doi.org/10.1115/1.4048731
Published Online: November 11, 2020
View Article titled, Convergence Characteristics of Geometrically Accurate Spatial Finite Elements
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Topics: Displacement, Finite element analysis, Geometry, Rotation, Shapes, Stiffness, Inertia (Mechanics), Eigenvalues, Errors, Continuum mechanics
Proceedings Papers

A New Plate Element Based on the Absolute Nodal Coordinate Formulation

Aki M. Mikkola, Ahmed A. Shabana
Proc. ASME. IDETC-CIE2001, Volume 6A: 18th Biennial Conference on Mechanical Vibration and Noise, 355-364, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21341
https://doi.org/10.1115/DETC2001/VIB-21341
View Paper titled, A New Plate Element Based on the Absolute Nodal Coordinate Formulation
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Topics: Coriolis force, Deformation, Displacement, Finite element analysis, Plates (structures), Rotation, Shells
Journal Articles

Performance Evaluation of ANCF Tetrahedral Elements in the Analysis of Liquid Sloshing

Dayu Zhang, Emanuele Grossi, Ahmed A. Shabana
Journal: Journal of Verification, Validation and Uncertainty Quantification
Publisher: ASME
Article Type: Research-Article
J. Verif. Valid. Uncert. September 2020, 5(3): 031003.
Paper No: VVUQ-20-1007
https://doi.org/10.1115/1.4048464
Published Online: October 15, 2020
View Article titled, Performance Evaluation of ANCF Tetrahedral Elements in the Analysis of Liquid Sloshing
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Topics: Containers, Fluids, Sloshing, Geometry, Railroads
Proceedings Papers

Pantograph/Catenary Wear Using Multibody System Dynamic Algorithms

Siripong Daocharoenporn, Mongkol Mongkolwongrojn, Shubhankar Kulkarni, Ahmed A. Shabana
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T01A002, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8006
https://doi.org/10.1115/JRC2020-8006
View Paper titled, Pantograph/Catenary Wear Using Multibody System Dynamic Algorithms
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Topics: Algorithms, Multibody systems, Railroads, Wear
Proceedings Papers

Numerical Study on the Delay Effect of Air Brake Mass Flow on Train Coupler Forces

Ahmed K. Aboubakr, Ahmed A. Shabana
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T06A001, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8013
https://doi.org/10.1115/JRC2020-8013
View Paper titled, Numerical Study on the Delay Effect of Air Brake Mass Flow on Train Coupler Forces
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Topics: Brakes, Delays, Dynamics (Mechanics), Flow (Dynamics), Signals, Trains
Journal Articles

Development of Geometrically Accurate Continuum-Based Tire Models for Virtual Testing

Emanuele Grossi, Chintan J. Desai, Ahmed A. Shabana
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. December 2019, 14(12): 121006.
Paper No: CND-19-1233
https://doi.org/10.1115/1.4044679
Published Online: October 7, 2019
View Article titled, Development of Geometrically Accurate Continuum-Based Tire Models for Virtual Testing
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Topics: Tires, Geometry
Journal Articles

Noncommutativity of Finite Rotations and Definitions of Curvature and Torsion

Ahmed A. Shabana, Hao Ling
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2019, 14(9): 091005.
Paper No: CND-19-1073
https://doi.org/10.1115/1.4043726
Published Online: July 15, 2019
View Article titled, Noncommutativity of Finite Rotations and Definitions of Curvature and Torsion
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Topics: Rotation, Torsion, Geometry, Deformation
Journal Articles

Prediction of the Pantograph/Catenary Wear Using Nonlinear Multibody System Dynamic Algorithms

Siripong Daocharoenporn, Mongkol Mongkolwongrojn, Shubhankar Kulkarni, Ahmed A. Shabana
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. May 2019, 141(5): 051603.
Paper No: TRIB-18-1292
https://doi.org/10.1115/1.4042658
Published Online: March 11, 2019
View Article titled, Prediction of the Pantograph/Catenary Wear Using Nonlinear Multibody System Dynamic Algorithms
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Topics: Multibody systems, Railroads, Vehicles, Wear, Wire, Algorithms
Journal Articles

Reference Conditions and Substructuring Techniques in Flexible Multibody System Dynamics

James J. O'Shea, Paramsothy Jayakumar, Dave Mechergui, Ahmed A. Shabana, Liang Wang
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. April 2018, 13(4): 041007.
Paper No: CND-17-1136
https://doi.org/10.1115/1.4039059
Published Online: February 28, 2018
View Article titled, Reference Conditions and Substructuring Techniques in Flexible Multibody System Dynamics
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Topics: Deformation, Degrees of freedom, Dynamics (Mechanics), Multibody systems, Shapes, Boundary-value problems, Resonance, Finite element analysis, Eigenvalues, Simulation
Journal Articles

Verification of a Total Lagrangian ANCF Solution Procedure for Fluid–Structure Interaction Problems

Emanuele Grossi, Ahmed A. Shabana
Journal: Journal of Verification, Validation and Uncertainty Quantification
Publisher: ASME
Article Type: Research-Article
J. Verif. Valid. Uncert. December 2017, 2(4): 041001.
Paper No: VVUQ-17-1026
https://doi.org/10.1115/1.4038904
Published Online: February 12, 2018
View Article titled, Verification of a Total Lagrangian ANCF Solution Procedure for Fluid–Structure Interaction Problems
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Topics: Dams, Finite element analysis, Fluid structure interaction, Fluids, Shapes, Inertia (Mechanics), Sloshing, Displacement
Proceedings Papers

Integration of Geometry and Analysis for the Study of Liquid Sloshing in Vehicle System Dynamics

Brynne Nicolsen, Huailong Shi, Liang Wang, Ahmed A. Shabana
Proc. ASME. IMECE2017, Volume 4A: Dynamics, Vibration, and Control, V04AT05A067, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-71548
https://doi.org/10.1115/IMECE2017-71548
View Paper titled, Integration of Geometry and Analysis for the Study of Liquid Sloshing in Vehicle System Dynamics
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Topics: Geometry, Sloshing, System dynamics, Vehicles, Fluids, Algorithms, Wheels, Braking, Curve negotiation, Vehicle dynamics
Journal Articles

Curvature Expressions for the Large Displacement Analysis of Planar Beam Motions

Yinhuan Zheng, Ahmed A. Shabana, Dayu Zhang
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. January 2018, 13(1): 011013.
Paper No: CND-17-1149
https://doi.org/10.1115/1.4037226
Published Online: October 31, 2017
View Article titled, Curvature Expressions for the Large Displacement Analysis of Planar Beam Motions
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Topics: Finite element analysis, Shear (Mechanics), Rotation, Displacement, Euler-Bernoulli beam theory, Deformation, Continuum mechanics
Journal Articles

A New ANCF/CRBF Fully Parameterized Plate Finite Element

Carmine M. Pappalardo, Michael Wallin, Ahmed A. Shabana
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. May 2017, 12(3): 031008.
Paper No: CND-16-1176
https://doi.org/10.1115/1.4034492
Published Online: December 5, 2016
View Article titled, A New ANCF/CRBF Fully Parameterized Plate Finite Element
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Topics: Displacement, Finite element analysis, Geometry, Kinematics, Pendulums, Rotation, Tires, Shells, Deformation, Shapes