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Alexander F. Vakakis
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Proceedings Papers

Non-Reciprocity in Structures With Nonlinear Internal Hierarchy and Asymmetry

Matthew D. Fronk, Sameh Tawfick, Chiara Daraio, Alexander F. Vakakis, Michael J. Leamy
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A023, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67965
https://doi.org/10.1115/DETC2017-67965
View Paper titled, Non-Reciprocity in Structures With Nonlinear Internal Hierarchy and Asymmetry
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Topics: Acoustics, Computer simulation, Excitation, Impulse (Physics), Resonance, Signals, Springs, Time-invariant systems, Transients (Dynamics)
Journal Articles

Separation of Traveling and Standing Waves in a Rigid-Walled Circular Duct Containing an Intermediate Impedance Discontinuity

Yongxiong Xiao, Antoine Blanchard, Yao Zhang, Huancai Lu, D. Michael McFarland, Alexander F. Vakakis, Lawrence A. Bergman
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. December 2017, 139(6): 061001.
Paper No: VIB-16-1408
https://doi.org/10.1115/1.4036866
Published Online: July 26, 2017
View Article titled, Separation of Traveling and Standing Waves in a Rigid-Walled Circular Duct Containing an Intermediate Impedance Discontinuity
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Topics: Acoustics, Ducts, Separation (Technology), Standing waves, Traveling waves, Sound pressure, Finite element analysis, Waves
Journal Articles

Absorption of Resonant Vibrations in Tuned Nonlinear Jointed Structures

Malte Krack, Lawrence A. Bergman, Alexander F. Vakakis
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2016, 138(2): 021001.
Paper No: VIB-15-1294
https://doi.org/10.1115/1.4032000
Published Online: December 8, 2015
View Article titled, Absorption of Resonant Vibrations in Tuned Nonlinear Jointed Structures
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Topics: Absorption, Damping, Vibration, Resonance, Excitation, Nonlinear vibration
Proceedings Papers

Shock Mitigation by Energy Reversal to the High Frequency Modes

Mohammad A. AL-Shudeifat, Alexander F. Vakakis, Lawrence A. Bergman
Proc. ASME. IDETC-CIE2014, Volume 6: 10th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T10A058, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34088
https://doi.org/10.1115/DETC2014-34088
View Paper titled, Shock Mitigation by Energy Reversal to the High Frequency Modes
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Topics: Shock (Mechanics), Damping, Energy dissipation, Energy transformation, Pumps, Weight (Mass)
Proceedings Papers

Experimental Investigation of a Rotational Nonlinear Energy Sink for Shock Mitigation

Nicholas E. Wierschem, Mohammad A. AL-Shudeifat, Billie F. Spencer, Jr., Alexander F. Vakakis, Lawrence A. Bergman
Proc. ASME. IDETC-CIE2014, Volume 6: 10th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T10A065, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35375
https://doi.org/10.1115/DETC2014-35375
View Paper titled, Experimental Investigation of a Rotational Nonlinear Energy Sink for Shock Mitigation
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Topics: Shock (Mechanics), Energy transformation, Dynamics (Mechanics), Impulse (Physics), Stress
Proceedings Papers

Experimental System Identification of the Vibro-Impact Dynamics Towards Structural Health Monitoring and Damage Detection

Heng Chen, Young S. Lee, Mehmet Kurt, D. Michael McFarland, Lawrence A. Bergman, Alexander F. Vakakis
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A006, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13534
https://doi.org/10.1115/DETC2013-13534
View Paper titled, Experimental System Identification of the Vibro-Impact Dynamics Towards Structural Health Monitoring and Damage Detection
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Topics: Damage, Dynamics (Mechanics), Structural health monitoring, Modal assurance criterion, Spatiotemporal phenomena, Mode shapes, Cantilever beams, Chemistry, Flow (Dynamics), Nonlinear systems
Proceedings Papers

Numerical Investigation of Rotating Nonlinear Energy Sink for Shock Mitigation

Mohammad A. Al-Shudeifat, Lawrence A. Bergman, Alexander F. Vakakis
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A087, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13177
https://doi.org/10.1115/DETC2013-13177
View Paper titled, Numerical Investigation of Rotating Nonlinear Energy Sink for Shock Mitigation
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Topics: Degrees of freedom, Energy transformation, Impulse (Physics), Linear systems, Resonance, Shock (Mechanics), Stiffness, Stress
Proceedings Papers

Epistemic and Aleatoric Uncertainty in Modeling

Daniel J. Segalman, Matthew R. Brake, Lawrence A. Bergman, Alexander F. Vakakis, Kai Willner
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A019, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13234
https://doi.org/10.1115/DETC2013-13234
View Paper titled, Epistemic and Aleatoric Uncertainty in Modeling
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Topics: Modeling, Uncertainty, Accounting, Errors
Proceedings Papers

Experimental Blast Testing of a Large 9-Story Structure Equipped With a System of Nonlinear Energy Sinks

Nicholas E. Wierschem, Sean A. Hubbard, Jie Luo, Larry A. Fahnestock, B. F. Spencer, Jr., D. Dane Quinn, D. Michael McFarland, Alexander F. Vakakis, Lawrence A. Bergman
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A090, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13327
https://doi.org/10.1115/DETC2013-13327
View Paper titled, Experimental Blast Testing of a Large 9-Story Structure Equipped With a System of Nonlinear Energy Sinks
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Topics: Stress, Testing
Proceedings Papers

Vortex-Induced Vibration of a Sprung Rigid Circular Cylinder Augmented With a Nonlinear Energy Sink

Ravi Kumar R. Tumkur, Ramon Calderer, Arif Masud, Lawrence A. Bergman, Alexander F. Vakakis, Arne J. Pearlstein
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 85-92, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-71100
https://doi.org/10.1115/DETC2012-71100
View Paper titled, Vortex-Induced Vibration of a Sprung Rigid Circular Cylinder Augmented With a Nonlinear Energy Sink
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Topics: Circular cylinders, Vortex-induced vibration, Cylinders, Dampers, Flow (Dynamics), Displacement, Energy transformation, Finite element methods, Fluid structure interaction, Fluids
Proceedings Papers

Dynamic Behavior Analysis of Vehicle Shimmy System With Consideration of Clearance in Steering Linkage Mechanism

Jian-Wei Lu, Jia-Yun Xin, Jongkil Lee, Alexander F. Vakakis, Lawrence A. Bergman
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 471-478, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70215
https://doi.org/10.1115/DETC2012-70215
View Paper titled, Dynamic Behavior Analysis of Vehicle Shimmy System With Consideration of Clearance in Steering Linkage Mechanism
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Topics: Clearances (Engineering), Linkages, Vehicles, Tie rods, Bifurcation, Dynamic models, Dynamic response, Numerical analysis, Poincaré maps
Proceedings Papers

Strongly Nonlinear Spatially Periodic Traveling Waves in Granular Dimer Chains

K. R. Jayaprakash, Alexander F. Vakakis, Yuli Starosvetsky
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 479-486, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70298
https://doi.org/10.1115/DETC2012-70298
View Paper titled, Strongly Nonlinear Spatially Periodic Traveling Waves in Granular Dimer Chains
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Topics: Chain, Traveling waves, Dynamics (Mechanics), Bifurcation, Stability, Boundary-value problems, Compression, Impulse (Physics), Radiation (Physics), Stiffness
Proceedings Papers

Nonlinear System Identification of Frictional Connections in a Bolted Beam Assembly

Melih Eriten, Mehmet Kurt, Guanyang Luo, Donald M. McFarland, Lawrence A. Bergman, Alexander F. Vakakis
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 381-387, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70432
https://doi.org/10.1115/DETC2012-70432
View Paper titled, Nonlinear System Identification of Frictional Connections in a Bolted Beam Assembly
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Topics: Manufacturing, Nonlinear systems, Dynamics (Mechanics), Damping, Flow (Dynamics), Friction, Bolted joints, Dynamic analysis, Dynamic systems, Energy dissipation
Proceedings Papers

Numerical and Experimental Investigation of a New Nonlinear Energy Sink for Passive Shock Mitigation

Mohammad A. AL-Shudeifat, Nicholas Wierschem, Alexander F. Vakakis, Lawrence A. Bergman, Billie F. Spencer, Jr.
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 1161-1164, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70453
https://doi.org/10.1115/DETC2012-70453
View Paper titled, Numerical and Experimental Investigation of a New Nonlinear Energy Sink for Passive Shock Mitigation
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Topics: Shock (Mechanics), Design, Energy transformation, Springs
Proceedings Papers

System Identification of a Vibro-Impact Beam With a View Toward Structural Health Monitoring

Mehmet Kurt, Heng Chen, Young S. Lee, D. Michael McFarland, Lawrence A. Bergman, Alexander F. Vakakis
Proc. ASME. IDETC-CIE2012, Volume 6: 1st Biennial International Conference on Dynamics for Design; 14th International Conference on Advanced Vehicle Technologies, 283-292, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-71517
https://doi.org/10.1115/DETC2012-71517
View Paper titled, System Identification of a Vibro-Impact Beam With a View Toward Structural Health Monitoring
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Topics: Structural health monitoring, Dynamics (Mechanics), Flow (Dynamics), Cantilever beams, Clearances (Engineering), Damage, Nonlinear systems
Proceedings Papers

Nonlinear System Identification of a Cantilever Beam With Attached Cubic Nonlinear Spring at Its Free End

Mehmet Kurt, Melih Eriten, D. Michael McFarland, Lawrence A. Bergman, Alexander F. Vakakis
Proc. ASME. IDETC-CIE2012, Volume 6: 1st Biennial International Conference on Dynamics for Design; 14th International Conference on Advanced Vehicle Technologies, 247-252, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70739
https://doi.org/10.1115/DETC2012-70739
View Paper titled, Nonlinear System Identification of a Cantilever Beam With Attached Cubic Nonlinear Spring at Its Free End
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Topics: Cantilever beams, Nonlinear systems, Springs, Dynamics (Mechanics), Flow (Dynamics), Computer simulation, Distributed parameter systems, Dynamic analysis, Energy transformation, Harmonic oscillators
Proceedings Papers

Solitary Waves in 1:N Dimer Chains

K. R. Jayaprakash, Alexander F. Vakakis, Yuli Starosvetsky
Proc. ASME. IDETC-CIE2012, Volume 6: 1st Biennial International Conference on Dynamics for Design; 14th International Conference on Advanced Vehicle Technologies, 83-91, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70297
https://doi.org/10.1115/DETC2012-70297
View Paper titled, Solitary Waves in 1:N Dimer Chains
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Topics: Chain, Waves, Antiresonance, Dynamics (Mechanics), Stiffness
Proceedings Papers

Nonlinear Targeted Energy Transfer in Granular Chains

M. Arif Hasan, Yuli Starosvetsky, Alexander F. Vakakis
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 531-536, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70569
https://doi.org/10.1115/DETC2012-70569
View Paper titled, Nonlinear Targeted Energy Transfer in Granular Chains
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Topics: Chain, Energy transformation, Design, Shock waves, Electromagnetic scattering, Flow (Dynamics), Granular materials, Impulse (Physics), Passive control, Radiation scattering
Proceedings Papers

Construction and Use of the Frequency-Energy Plot for a System With Two Essential Nonlinearities

Sean A. Hubbard, Alexander F. Vakakis, Lawrence A. Bergman, D. Michael McFarland
Proc. ASME. IDETC-CIE2011, Volume 1: 23rd Biennial Conference on Mechanical Vibration and Noise, Parts A and B, 449-456, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-48576
https://doi.org/10.1115/DETC2011-48576
View Paper titled, Construction and Use of the Frequency-Energy Plot for a System With Two Essential Nonlinearities
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Topics: Computation, Construction, Degrees of freedom, Excitation, Nonlinear systems, Resonance, Shock (Mechanics), Transients (Dynamics)
Proceedings Papers

Application of Targeted Energy Transfer (TET) Techniques to the Seismic Protection of a Small Scale Multistorey Eccentric Steel Structure

Concetta Tripepi, Francesco Nucera, Lawrence A. Bergman, D. Michael McFarland, Alexander F. Vakakis
Proc. ASME. IDETC-CIE2011, Volume 1: 23rd Biennial Conference on Mechanical Vibration and Noise, Parts A and B, 571-578, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-48923
https://doi.org/10.1115/DETC2011-48923
View Paper titled, Application of Targeted Energy Transfer (TET) Techniques to the Seismic Protection of a Small Scale Multistorey Eccentric Steel Structure
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Topics: Energy transformation, Steel, Earthquakes, Resonance, Transients (Dynamics), Damping, Dynamics (Mechanics), Excitation, Robustness, Shear (Mechanics)