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Alan T. Zehnder
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Proceedings Papers

Integer Ratio Self-Synchronization in Pairs of Limit Cycle Oscillators

Aditya Bhaskar, B. Shayak, Alan T. Zehnder, Richard H. Rand
Proc. ASME. IDETC-CIE2021, Volume 11: 15th International Conference on Micro- and Nanosystems (MNS), V011T11A010, August 17–19, 2021
Publisher: American Society of Mechanical Engineers
Paper No: DETC2021-71254
https://doi.org/10.1115/DETC2021-71254
View Paper titled, Integer Ratio Self-Synchronization in Pairs of Limit Cycle Oscillators
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Topics: Limit cycles, Microelectromechanical systems, Synchronization
Proceedings Papers

An Experimental and Computational Study of Temperature and Strain Fields in Metal Cutting

Alan T. Zehnder, Yogesh K. Potdar, Xiaomin Deng, Chandrakant Shet
Proc. ASME. IMECE2001, Manufacturing Engineering, 81-88, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/MED-23309
https://doi.org/10.1115/IMECE2001/MED-23309
View Paper titled, An Experimental and Computational Study of Temperature and Strain Fields in Metal Cutting
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Topics: Metal cutting, Temperature, Engineering simulation, Resolution (Optics), Simulation, Cutting, Friction, Computer simulation, Deformation, Finite element analysis
Journal Articles

Actuation of Higher Harmonics in Large Arrays of Micromechanical Cantilevers for Expanded Resonant Peak Separation

Nir Dick, Scott Grutzik, Christopher B. Wallin, B. Robert Ilic, Slava Krylov, Alan T. Zehnder
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2018, 140(5): 051013.
Paper No: VIB-17-1498
https://doi.org/10.1115/1.4039568
Published Online: April 26, 2018
View Article titled, Actuation of Higher Harmonics in Large Arrays of Micromechanical Cantilevers for Expanded Resonant Peak Separation
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Topics: Cantilevers, Resonance, Stiffness, Separation (Technology), Finite element model, Finite element analysis, Dynamics (Mechanics), Modal analysis
Proceedings Papers

Tunability and Sub- and Superharmonic Entrainment of Limit Cycles in CW Laser Driven MEMS

David B. Blocher, Alan T. Zehnder
Proc. ASME. IDETC-CIE2012, Volume 5: 6th International Conference on Micro- and Nanosystems; 17th Design for Manufacturing and the Life Cycle Conference, 139-144, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-71545
https://doi.org/10.1115/DETC2012-71545
View Paper titled, Tunability and Sub- and Superharmonic Entrainment of Limit Cycles in CW Laser Driven MEMS
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Topics: Lasers, Limit cycles, Microelectromechanical systems, Thermal stresses, Feedback, Geometry, Hardening, Interferometers, Nanoscale phenomena, Nonlinear dynamics
Proceedings Papers

Multiple Limit Cycles in Laser Interference Transduced Resonators

David B. Blocher, Richard H. Rand, Alan T. Zehnder
Proc. ASME. IDETC-CIE2011, Volume 7: 5th International Conference on Micro- and Nanosystems; 8th International Conference on Design and Design Education; 21st Reliability, Stress Analysis, and Failure Prevention Conference, 107-116, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-47289
https://doi.org/10.1115/DETC2011-47289
View Paper titled, Multiple Limit Cycles in Laser Interference Transduced Resonators
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Topics: Lasers, Limit cycles, Damping, Interferometry, Nanoscale phenomena, Oscillations, Temperature, Thermal stresses
Proceedings Papers

Frequency Locking in a Forced Mathieu-van der Pol-Duffing System

Manoj Pandey, Richard H. Rand, Alan T. Zehnder
Proc. ASME. IDETC-CIE2007, Volume 1: 21st Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 893-903, September 4–7, 2007
Publisher: American Society of Mechanical Engineers
Paper No: DETC2007-34411
https://doi.org/10.1115/DETC2007-34411
View Paper titled, Frequency Locking in a Forced Mathieu-van der Pol-Duffing System
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Topics: Bifurcation, Computer software, Dynamics (Mechanics), Engineering simulation, Finite element analysis, Flow (Dynamics), Microelectromechanical systems, Oscillations, Simulation, Steady state
Proceedings Papers

A Case Study on Educating Engineers for Geographically-Dispersed Design Teams

John F. Dannenhoffer, III, Barry D. Davidson, Anthony R. Ingraffea, Alan T. Zehnder, Scott L. Jones
Proc. ASME. IMECE2003, Design Engineering, Volumes 1 and 2, 251-255, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41530
https://doi.org/10.1115/IMECE2003-41530
View Paper titled, A Case Study on Educating Engineers for Geographically-Dispersed Design Teams
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Topics: Design, Engineering education, Teams, Students, Collaboration, Computers, Engineering design, Vehicles
Proceedings Papers

Delamination and Blistering Due to Rapid Heating of Moist Composites

Alan T. Zehnder, Michael W. Czabaj
Proc. ASME. IMECE2006, Aerospace, 519-520, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-14669
https://doi.org/10.1115/IMECE2006-14669
View Paper titled, Delamination and Blistering Due to Rapid Heating of Moist Composites
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Topics: Composite materials, Delamination, Heating, High temperature, Heat, Laminates, Aerospace industry, Epoxy adhesives, Epoxy resins, Failure
Journal Articles

Fracture Mechanics of Thin Plates and Shells Under Combined Membrane, Bending, and Twisting Loads

Alan T. Zehnder, Mark J. Viz
Journal: Applied Mechanics Reviews
Publisher: ASME
Article Type: Review Articles
Appl. Mech. Rev. January 2005, 58(1): 37–48.
https://doi.org/10.1115/1.1828049
Published Online: March 8, 2005
View Article titled, Fracture Mechanics of Thin Plates and Shells Under Combined Membrane, Bending, and Twisting Loads
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Topics: Fracture (Materials), Plates (structures), Shells, Stress
Journal Articles

Measurements and Simulations of Temperature and Deformation Fields in Transient Metal Cutting

Yogesh K. Potdar, Alan T. Zehnder
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. November 2003, 125(4): 645–655.
https://doi.org/10.1115/1.1596571
Published Online: November 11, 2003
View Article titled, Measurements and Simulations of Temperature and Deformation Fields in Transient Metal Cutting
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Topics: Cutting, Deformation, Finite element analysis, Metal cutting, Simulation, Steel, Temperature, Cutting tools, Engineering simulation, Transients (Dynamics)
Journal Articles

A Note on the Use of High-Speed Infrared Detectors for the Measurement of Temperature Fields at the Vicinity of Dynamically Growing Cracks in 4340 Steel

Alan T. Zehnder, Ares J. Rosakis
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. June 1992, 59(2): 450–452.
https://doi.org/10.1115/1.2899541
Published Online: June 1, 1992
View Article titled, A Note on the Use of High-Speed Infrared Detectors for the Measurement of Temperature Fields at the Vicinity of Dynamically Growing Cracks in 4340 Steel
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Topics: Fracture (Materials), Sensors, Steel, Temperature measurement
Journal Articles

Three-Dimensional Effects Near a Crack Tip in a Ductile Three-Point Bend Specimen: Part II—An Experimental Investigation Using Interferometry and Caustics

Alan T. Zehnder, Ares J. Rosakis
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 1990, 57(3): 618–626.
https://doi.org/10.1115/1.2897067
Published Online: September 1, 1990
View Article titled, Three-Dimensional Effects Near a Crack Tip in a Ductile Three-Point Bend Specimen: Part II—An Experimental Investigation Using Interferometry and Caustics
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Topics: Fracture (Materials), Hazardous substances, Interferometry, Stress, Calibration, Displacement, Finite element analysis, Reflection, Simulation
Journal Articles

Experimental Measurement of the Temperature Rise Generated During Dynamic Crack Growth in Metals

Alan T. Zehnder, Ares J. Rosakis
Journal: Applied Mechanics Reviews
Publisher: ASME
Article Type: Review Articles
Appl. Mech. Rev. May 1990, 43(5S): S260–S265.
https://doi.org/10.1115/1.3120822
Published Online: May 1, 1990
View Article titled, Experimental Measurement of the Temperature Rise Generated During Dynamic Crack Growth in Metals
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Topics: Fracture (Materials), Metals, Temperature, Fracture toughness, Crack propagation, Energy dissipation, Heating, Sensors, Steel