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Mohammad A. Al-Shudeifat
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Proceedings Papers

Employing Machine Learning to Detect Post Resonance Backward Whirl in a Faulty Rotor System

Rafath Abdul Nasar, Mohammad A. Al-Shudeifat
Proc. ASME. IMECE2023, Volume 6: Dynamics, Vibration, and Control, V006T07A102, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-116335
https://doi.org/10.1115/IMECE2023-116335
View Paper titled, Employing Machine Learning to Detect Post Resonance Backward Whirl in a Faulty Rotor System
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Topics: Fracture (Materials), Machine learning, Resonance, Rotors, Whirls
Proceedings Papers

Gravity Impact on Post-Resonance Backward Whirl Excitation by the Nonsynchronous Whirl

Rafath Abdul Nasar, Mohammad A. AL-Shudeifat
Proc. ASME. IMECE2022, Volume 5: Dynamics, Vibration, and Control, V005T07A006, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95344
https://doi.org/10.1115/IMECE2022-95344
View Paper titled, Gravity Impact on Post-Resonance Backward Whirl Excitation by the Nonsynchronous Whirl
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Topics: Excitation, Fracture (Materials), Gravity (Force), Resonance, Rotors, Whirls
Proceedings Papers

Impact of Rotor-Stator Rub-Impact on Post-Resonance Backward Whirl Excitation

Rafath Abdul Nasar, Mohammad A. AL-Shudeifat
Proc. ASME. IMECE2022, Volume 5: Dynamics, Vibration, and Control, V005T07A007, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95354
https://doi.org/10.1115/IMECE2022-95354
View Paper titled, Impact of Rotor-Stator Rub-Impact on Post-Resonance Backward Whirl Excitation
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Topics: Excitation, Resonance, Rotors, Stators, Whirls
Journal Articles

Frequency-Energy Analysis of Coupled Linear Oscillator With Unsymmetrical Nonlinear Energy Sink

Mohammad A. Al-Shudeifat
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Technical Briefs
J. Comput. Nonlinear Dynam. February 2023, 18(2): 024501.
Paper No: CND-22-1231
https://doi.org/10.1115/1.4056359
Published Online: December 19, 2022
View Article titled, Frequency-Energy Analysis of Coupled Linear Oscillator With Unsymmetrical Nonlinear Energy Sink
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Topics: Harmonic oscillators, Oscillations, Resonance, Stiffness
Journal Articles

Periodic Motion and Frequency Energy Plots of Dynamical Systems Coupled With Piecewise Nonlinear Energy Sink

Mohammad A. Al-Shudeifat, Adnan S. Saeed
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. April 2022, 17(4): 041005.
Paper No: CND-21-1213
https://doi.org/10.1115/1.4053509
Published Online: February 14, 2022
View Article titled, Periodic Motion and Frequency Energy Plots of Dynamical Systems Coupled With Piecewise Nonlinear Energy Sink
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Topics: Damping, Dynamic systems, Oscillations, Resonance, Stiffness, Symmetry (Physics), Clearances (Engineering), Energy transformation, Wavelet transforms
Journal Articles

Effect of Negative Stiffness Content on the Periodic Motion of Nonlinearly Coupled Oscillators

Mohammad A. Al-Shudeifat
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Technical Briefs
J. Comput. Nonlinear Dynam. November 2021, 16(11): 114501.
Paper No: CND-21-1146
https://doi.org/10.1115/1.4052287
Published Online: September 22, 2021
View Article titled, Effect of Negative Stiffness Content on the Periodic Motion of Nonlinearly Coupled Oscillators
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Topics: Stiffness, Oscillations
Journal Articles

Breathing Crack Model Effect on Rotor's Postresonance Backward Whirl

Tariq Alzarooni, Mohammad A. Al-Shudeifat, Oleg Shiryayev, C. Nataraj
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. December 2020, 15(12): 121007.
Paper No: CND-20-1080
https://doi.org/10.1115/1.4048358
Published Online: October 23, 2020
View Article titled, Breathing Crack Model Effect on Rotor's Postresonance Backward Whirl
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Topics: Bearings, Fracture (Materials), Rotors, Whirls, Anisotropy, Stiffness
Journal Articles

Nonlinear Energy Sinks With Piecewise-Linear Nonlinearities

Mohammad A. AL-Shudeifat
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Technical Briefs
J. Comput. Nonlinear Dynam. December 2019, 14(12): 124501.
Paper No: CND-19-1009
https://doi.org/10.1115/1.4045052
Published Online: October 18, 2019
View Article titled, Nonlinear Energy Sinks With Piecewise-Linear Nonlinearities
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Topics: Stiffness, Damping, Clearances (Engineering), Displacement, Computer simulation, Oscillations
Proceedings Papers

Vibration Suppression in Two-Dimensional Oscillation Dynamical Systems

Adnan S. Saeed, Mohammad A. AL-Shudeifat
Proc. ASME. IMECE2018, Volume 4B: Dynamics, Vibration, and Control, V04BT06A015, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-87858
https://doi.org/10.1115/IMECE2018-87858
View Paper titled, Vibration Suppression in Two-Dimensional Oscillation Dynamical Systems
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Topics: Dynamic systems, Oscillations, Vibration suppression, Vibration, Vibration absorbers, Energy dissipation, Energy transformation, Excitation, Optimization
Proceedings Papers

Modal Damping and Frequency Variations in Nonlinearly Coupled Oscillators With Negative Linear Stiffness Components

Fatima K. Alhammadi, Mohammad A. AL-Shudeifat
Proc. ASME. IMECE2018, Volume 4B: Dynamics, Vibration, and Control, V04BT06A021, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-87474
https://doi.org/10.1115/IMECE2018-87474
View Paper titled, Modal Damping and Frequency Variations in Nonlinearly Coupled Oscillators With Negative Linear Stiffness Components
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Topics: Damping, Stiffness, Degrees of freedom, Equations of motion, Nonlinear dynamical systems, Potential energy
Proceedings Papers

Capturing BW Zone in an Intact Rotor System

Fatima K. Alhammadi, Mohammad A. AL-Shudeifat, Oleg Shiryayev
Proc. ASME. IMECE2018, Volume 11: Acoustics, Vibration, and Phononics, V011T01A023, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-87480
https://doi.org/10.1115/IMECE2018-87480
View Paper titled, Capturing BW Zone in an Intact Rotor System
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Topics: Rotors, Aerospace industry, Whirls, Aircraft engines, Compressors, Computer simulation, Disks, Fracture (Materials), Gas turbines, Transients (Dynamics)
Proceedings Papers

Negative Effective Stiffness Content in Cracked Rotors

Mohammad A. AL-Shudeifat, Fatima K. Alhammadi
Proc. ASME. IMECE2018, Volume 4A: Dynamics, Vibration, and Control, V04AT06A002, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-87470
https://doi.org/10.1115/IMECE2018-87470
View Paper titled, Negative Effective Stiffness Content in Cracked Rotors
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Topics: Rotors, Stiffness, Fracture (Materials), Whirls, Equations of motion, Dynamic systems, Excitation, Failure, Finite element model, Risk
Proceedings Papers

Effect of Angular Acceleration and Unbalance Force Orientation on the Backward Whirl in Cracked Rotors

Fatima K. Alhammadi, Mohammad A. AL-Shudeifat, Oleg Shiryayev
Proc. ASME. IMECE2018, Volume 11: Acoustics, Vibration, and Phononics, V011T01A003, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-87476
https://doi.org/10.1115/IMECE2018-87476
View Paper titled, Effect of Angular Acceleration and Unbalance Force Orientation on the Backward Whirl in Cracked Rotors
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Topics: Rotors, Whirls, Vibration, Disks, Aerospace industry, Computer simulation, Crack propagation, Fracture (Materials), Steady state, Testing
Journal Articles

Effect of Unbalance Force Vector Orientation on the Whirl Response of Cracked Rotors

Mohammad A. AL-Shudeifat, Hanan Al Hosani, Adnan S. Saeed, Shadi Balawi
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2019, 141(2): 021001.
Paper No: VIB-18-1053
https://doi.org/10.1115/1.4041462
Published Online: October 16, 2018
View Article titled, Effect of Unbalance Force Vector Orientation on the Whirl Response of Cracked Rotors
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Topics: Disks, Fracture (Materials), Rotors, Whirls, Bearings, Vibration, Computer simulation, Stiffness
Journal Articles

Application of the Proper Orthogonal Decomposition Method for Cracked Rotors

Mohammad A. Al-Shudeifat, Ayesha Al Mehairi, Adnan S. Saeed, Shadi Balawi
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. November 2018, 13(11): 111006.
Paper No: CND-18-1020
https://doi.org/10.1115/1.4041234
Published Online: September 12, 2018
View Article titled, Application of the Proper Orthogonal Decomposition Method for Cracked Rotors
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Topics: Fracture (Materials), Principal component analysis, Rotors, Vibration, Whirls, Computer simulation
Proceedings Papers

Frequency-Energy Dependence of the Bistable Nonlinear Energy Sink

Mohammad A. AL-Shudeifat, Adnan S. Saeed
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A022, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67780
https://doi.org/10.1115/DETC2017-67780
View Paper titled, Frequency-Energy Dependence of the Bistable Nonlinear Energy Sink
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Topics: Computer simulation, Damping, Energy levels (Quantum mechanics), Energy transformation, Equilibrium (Physics), Harmonic oscillators, Oscillations, Stiffness, Wavelet transforms
Proceedings Papers

A New Type of NES: Rotary Vibro-Impact

Adnan S. Saeed, Mohammad A. AL-Shudeifat
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A005, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67774
https://doi.org/10.1115/DETC2017-67774
View Paper titled, A New Type of NES: Rotary Vibro-Impact
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Topics: Degrees of freedom, Energy dissipation, Energy transformation
Proceedings Papers

Application of the POD Method for Cracked Rotors

Ayesha Al Mehairi, Mohammad A. AL-Shudeifat, Shadi Balawi, Adnan S. Saeed
Proc. ASME. IDETC-CIE2017, Volume 6: 13th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T10A055, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68255
https://doi.org/10.1115/DETC2017-68255
View Paper titled, Application of the POD Method for Cracked Rotors
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Topics: Rotors, Whirls, Fracture (Materials), Crack propagation, Principal component analysis, Vibration
Proceedings Papers

Analytical Treatment for Bistable Nonlinearly Coupled Oscillators

Mohammad A. AL-Shudeifat, Adnan S. Saeed
Proc. ASME. IDETC-CIE2017, Volume 6: 13th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T10A001, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67762
https://doi.org/10.1115/DETC2017-67762
View Paper titled, Analytical Treatment for Bistable Nonlinearly Coupled Oscillators
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Topics: Approximation, Degrees of freedom, Harmonic oscillators, Resonance, Stiffness, Symmetry (Physics)
Proceedings Papers

Effect of Unbalance Force Direction on a Cracked Rotor Whirl Response

Hanan Al Hosani, Mohammad A. AL-Shudeifat, Adnan S. Saeed, Shadi Balawi
Proc. ASME. IDETC-CIE2017, Volume 6: 13th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T10A056, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68261
https://doi.org/10.1115/DETC2017-68261
View Paper titled, Effect of Unbalance Force Direction on a Cracked Rotor Whirl Response
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Topics: Rotors, Whirls, Fracture (Materials), Computer simulation, Bearings, Disks, Equations of motion, Finite element analysis, Stiffness