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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

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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 Articletitled, 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

Free
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 Articletitled, 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

Free
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 Articletitled, 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

Open Access
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 Articletitled, 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

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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

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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 Articletitled, 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

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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
Proceedings Papers

A New Plate Element Based on the Absolute Nodal Coordinate Formulation

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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

Convergence Characteristics of Geometrically Accurate Spatial Finite Elements

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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 Articletitled, 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
Journal Articles

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

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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 Articletitled, 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

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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

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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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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

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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 Articletitled, 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

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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 Articletitled, 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