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Proceedings Papers

Leveraging Vibrations and Guided Waves in a Human Skull

Eetu Kohtanen, Matteo Mazzotti, Massimo Ruzzene, Alper Erturk
Proc. ASME. IMECE2021, Volume 5: Biomedical and Biotechnology, V005T05A079, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-71315
https://doi.org/10.1115/IMECE2021-71315
View Paper titled, Leveraging Vibrations and Guided Waves in a Human Skull
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Topics: Ultrasound, Vibration, Waves
Journal Articles

Phased Array Ultrasonic Testing of Inconel 625 Produced by Selective Laser Melting

Ahmed Allam, Christopher Sugino, Matthew Harding, D. Paul Bishop, Alper Erturk, Massimo Ruzzene
Journal: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
Publisher: ASME
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2021, 4(4): 041006.
Paper No: NDE-20-1081
https://doi.org/10.1115/1.4050963
Published Online: May 12, 2021
View Article titled, Phased Array Ultrasonic Testing of Inconel 625 Produced by Selective Laser Melting
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Topics: Additive manufacturing, Inspection, Lasers, Melting, Ultrasonic testing, Porosity, Computerized tomography, Manufacturing, Geometry, Imaging
Proceedings Papers

Characterization of a Multifunctional Bioinspired Piezoelectric Swimmer and Energy Harvester

Yu-Cheng Wang, Eetu Kohtanen, Alper Erturk
Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T06A012, September 15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2020-2444
https://doi.org/10.1115/SMASIS2020-2444
View Paper titled, Characterization of a Multifunctional Bioinspired Piezoelectric Swimmer and Energy Harvester
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Topics: Biomimetics, Energy harvesting, Water, Design, Flow (Dynamics), Thrust, Composite materials, Excitation, Fibers, Robotics
Proceedings Papers

Enhanced Sound Energy Harvesting by Leveraging Gradient-Index Phononic Crystals

Ahmed Allam, Karim Sabra, Alper Erturk
Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T07A004, September 15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2020-2411
https://doi.org/10.1115/SMASIS2020-2411
View Paper titled, Enhanced Sound Energy Harvesting by Leveraging Gradient-Index Phononic Crystals
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Topics: Acoustics, Energy harvesting, Phononic crystals
Proceedings Papers

Selective Wave Filtering in Time-Modulated Elastic Metamaterials

Yiwei Xia, Giuseppe Trainiti, Alper Erturk, Massimo Ruzzene
Proc. ASME. IDETC-CIE2018, Volume 8: 30th Conference on Mechanical Vibration and Noise, V008T10A002, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85991
https://doi.org/10.1115/DETC2018-85991
View Paper titled, Selective Wave Filtering in Time-Modulated Elastic Metamaterials
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Topics: Filtration, Metamaterials, Waves, Capacitance, Stiffness, Switches, Circuits, Engineering simulation, Lasers, Reflection
Proceedings Papers

Multifunctional Energy Harvesting Locally Resonant Metastructures

Christopher Sugino, Vinciane Guillot, Alper Erturk
Proc. ASME. SMASIS2017, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V001T07A014, September 18–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2017-3951
https://doi.org/10.1115/SMASIS2017-3951
View Paper titled, Multifunctional Energy Harvesting Locally Resonant Metastructures
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Topics: Energy harvesting, Resonance, Vibration, Energy gap, Metamaterials, Bridges (Structures), Electric power generation, Electricity (Physics), Engineering simulation, Flexible structures
Proceedings Papers

Low-Frequency Elastic Wave Focusing and Harvesting via Locally Resonant Metamaterials

Serife Tol, F. Levent Degertekin, Alper Erturk
Proc. ASME. SMASIS2017, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V001T07A015, September 18–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2017-3957
https://doi.org/10.1115/SMASIS2017-3957
View Paper titled, Low-Frequency Elastic Wave Focusing and Harvesting via Locally Resonant Metamaterials
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Topics: Elastic waves, Metamaterials, Resonance, Mirrors, Lenses (Optics), Design, Energy gap, Refractive index, Wave energy, Waves
Proceedings Papers

Resonant Nonlinearities of Macro-Fiber Composite Cantilevers in Energy Harvesting

David Tan, Paul Yavarow, Alper Erturk
Proc. ASME. SMASIS2017, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V001T07A013, September 18–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2017-3931
https://doi.org/10.1115/SMASIS2017-3931
View Paper titled, Resonant Nonlinearities of Macro-Fiber Composite Cantilevers in Energy Harvesting
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Topics: Cantilevers, Composite materials, Energy harvesting, Fibers, Resonance, Piezoelectricity, Dynamics (Mechanics), Electrodes, Excitation, Electricity (Physics)
Proceedings Papers

Nonlinear Structural Dynamics of Macro-Fiber Composite Cantilevers for Resonant Actuation

David Tan, Paul Yavarow, Alper Erturk
Proc. ASME. SMASIS2017, Volume 2: Modeling, Simulation and Control of Adaptive Systems; Integrated System Design and Implementation; Structural Health Monitoring, V002T03A034, September 18–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2017-3927
https://doi.org/10.1115/SMASIS2017-3927
View Paper titled, Nonlinear Structural Dynamics of Macro-Fiber Composite Cantilevers for Resonant Actuation
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Topics: Cantilevers, Composite materials, Fibers, Resonance, Structural dynamics, Biomimetics, Dynamics (Mechanics), Energy dissipation, Engineering simulation, Frequency response
Proceedings Papers

Dynamics of Hybrid Mechanical-Electromechanical Locally Resonant Piezoelectric Metastructures

Christopher Sugino, Massimo Ruzzene, Alper Erturk
Proc. ASME. SMASIS2017, Volume 2: Modeling, Simulation and Control of Adaptive Systems; Integrated System Design and Implementation; Structural Health Monitoring, V002T03A035, September 18–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2017-3948
https://doi.org/10.1115/SMASIS2017-3948
View Paper titled, Dynamics of Hybrid Mechanical-Electromechanical Locally Resonant Piezoelectric Metastructures
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Topics: Dynamics (Mechanics), Resonance, Energy gap, Design, Metamaterials, Modal analysis, Bridges (Structures), Circuits, Optimization, Vibration
Proceedings Papers

On the Origin of the Nonclassical Softening Nonlinearity in MEMS/NEMS Cantilevers

David Tan, Alper Erturk
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A003, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68277
https://doi.org/10.1115/DETC2017-68277
View Paper titled, On the Origin of the Nonclassical Softening Nonlinearity in MEMS/NEMS Cantilevers
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Topics: Cantilevers, Microelectromechanical systems, Nanoelectromechanical systems, Hardening, Boundary-value problems, Dynamics (Mechanics), Resonance, Aerospace industry, Civil engineering, Cycles
Proceedings Papers

Suppression of Nonlinear Bifurcations in Flexible Structures Using Nonlinear Switching Shunt Damping Circuits

Tarcisio Silva, David Tan, Carlos De Marqui, Jr., Alper Erturk
Proc. ASME. IDETC-CIE2016, Volume 8: 28th Conference on Mechanical Vibration and Noise, V008T10A063, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60572
https://doi.org/10.1115/DETC2016-60572
View Paper titled, Suppression of Nonlinear Bifurcations in Flexible Structures Using Nonlinear Switching Shunt Damping Circuits
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Topics: Bifurcation, Circuits, Damping, Flexible structures, Frequency response, Excitation, Oscillations, Resonance, Switches, Vibration
Proceedings Papers

Modal Analysis of Bandgap Formation for Vibration Attenuation in Locally Resonant Finite Beams

Christopher Sugino, Stephen Leadenham, Massimo Ruzzene, Alper Erturk
Proc. ASME. IDETC-CIE2016, Volume 8: 28th Conference on Mechanical Vibration and Noise, V008T10A065, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60552
https://doi.org/10.1115/DETC2016-60552
View Paper titled, Modal Analysis of Bandgap Formation for Vibration Attenuation in Locally Resonant Finite Beams
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Topics: Energy gap, Modal analysis, Resonance, Vibration, Boundary-value problems, Metamaterials, Bridges (Structures), Design, Engineering simulation, Finite element analysis
Proceedings Papers

Dramatic Enhancement of Elastic Wave Energy Harvesting Using a Gradient-Index Phononic Crystal Lens

Serife Tol, F. Levent Degertekin, Alper Erturk
Proc. ASME. SMASIS2016, Volume 2: Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting, V002T07A013, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9264
https://doi.org/10.1115/SMASIS2016-9264
View Paper titled, Dramatic Enhancement of Elastic Wave Energy Harvesting Using a Gradient-Index Phononic Crystal Lens
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Topics: Elastic waves, Energy harvesting, Lenses (Optics), Phononic crystals, Waves, Excitation, Aluminum plate, Computer simulation, Disks, Engineering simulation
Proceedings Papers

Electroelastic Bandgap Formation in Locally Resonant Metamaterial Beams With Piezoelectric Shunts: A Modal Analysis Approach

Christopher Sugino, Stephen Leadenham, Massimo Ruzzene, Alper Erturk
Proc. ASME. SMASIS2016, Volume 2: Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting, V002T03A029, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9282
https://doi.org/10.1115/SMASIS2016-9282
View Paper titled, Electroelastic Bandgap Formation in Locally Resonant Metamaterial Beams With Piezoelectric Shunts: A Modal Analysis Approach
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Topics: Energy gap, Metamaterials, Modal analysis, Resonance, Circuits, Design, Laminates, Vibration, Electrodes, Electromechanical effects
Proceedings Papers

On the Optimal Piezoelectric Material Distribution in Energy Harvesting From a Nonlinear Beam Under Axial Flow

Carlos De Marqui Junior, David Tan, Alper Erturk
Proc. ASME. SMASIS2016, Volume 2: Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting, V002T07A017, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9299
https://doi.org/10.1115/SMASIS2016-9299
View Paper titled, On the Optimal Piezoelectric Material Distribution in Energy Harvesting From a Nonlinear Beam Under Axial Flow
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Topics: Axial flow, Energy harvesting, Piezoelectric materials, Electrodes, Flow (Dynamics), Plates (structures), Electricity (Physics), Fluid structure interaction, Horizontal axis wind turbines, Limit cycles
Proceedings Papers

A Distributed-Parameter Flexoelectric Energy Harvester Model Accounting for Two-Way Coupling and Size Effects

Adriane Moura, Alper Erturk
Proc. ASME. SMASIS2016, Volume 2: Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting, V002T07A012, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9254
https://doi.org/10.1115/SMASIS2016-9254
View Paper titled, A Distributed-Parameter Flexoelectric Energy Harvester Model Accounting for Two-Way Coupling and Size Effects
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Topics: Accounting, Energy harvesting, Dielectric materials, Engineering simulation, Frequency response, Polarization (Electricity), Polarization (Light), Polarization (Waves), Simulation, Vibration
Proceedings Papers

Harmonic Balance Analysis and Experimental Validation of a Nonlinear Broadband Piezoelectric Energy Harvester for Low Ambient Vibrations

Stephen Leadenham, Alper Erturk
Proc. ASME. IDETC-CIE2015, Volume 8: 27th Conference on Mechanical Vibration and Noise, V008T13A050, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47775
https://doi.org/10.1115/DETC2015-47775
View Paper titled, Harmonic Balance Analysis and Experimental Validation of a Nonlinear Broadband Piezoelectric Energy Harvester for Low Ambient Vibrations
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Topics: Energy harvesting, Vibration, Excitation, Resonance, Design, Frequency response, Hardening, Laminates, Linear systems, Springs
Proceedings Papers

Experimentally Validated Nonlinear Electrohydroelastic Euler-Bernoulli-Morison Model for Macro-Fiber Composites With Different Aspect Ratios

Shima Shahab, Alper Erturk
Proc. ASME. IDETC-CIE2015, Volume 8: 27th Conference on Mechanical Vibration and Noise, V008T13A030, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47773
https://doi.org/10.1115/DETC2015-47773
View Paper titled, Experimentally Validated Nonlinear Electrohydroelastic Euler-Bernoulli-Morison Model for Macro-Fiber Composites With Different Aspect Ratios
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Topics: Composite materials, Fibers, Dynamics (Mechanics), Electrodes, Vibration, Aluminum, Cantilevers, Drag (Fluid dynamics), Electronic components, Energy harvesting
Proceedings Papers

Hydrodynamic Thrust Generation and Power Consumption Investigations for Piezoelectric Fins With Different Aspect Ratios

Shima Shahab, David Tan, Alper Erturk
Proc. ASME. SMASIS2015, Volume 2: Integrated System Design and Implementation; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T06A011, September 21–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2015-9093
https://doi.org/10.1115/SMASIS2015-9093
View Paper titled, Hydrodynamic Thrust Generation and Power Consumption Investigations for Piezoelectric Fins With Different Aspect Ratios
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Topics: Energy consumption, Fins, Thrust, Drag (Fluid dynamics), Inertia (Mechanics), Accounting, Actuators, Biomimetics, Cantilevers, Composite materials