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Journal Articles

Effect of Direction and Frequency of Skull Motion on Mechanical Vulnerability of the Human Brain

Ruth J. Okamoto, Jordan D. Escarcega, Ahmed Alshareef, Aaron Carass, Jerry L. Prince, Curtis L. Johnson, Philip V. Bayly
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. November 2023, 145(11): 111005.
Paper No: BIO-22-1344
https://doi.org/10.1115/1.4062937
Published Online: August 8, 2023
View Article titled, Effect of Direction and Frequency of Skull Motion on Mechanical Vulnerability of the Human Brain
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Topics: Brain, Displacement, Excitation, Kinetic energy, Deformation, Rotation, Biological tissues, Waves
Includes: Supplementary data
Journal Articles

Comparison of Deformation Patterns Excited in the Human Brain In Vivo by Harmonic and Impulsive Skull Motion

Jordan D. Escarcega, Andrew K. Knutsen, Ahmed A. Alshareef, Curtis L. Johnson, Ruth J. Okamoto, Dzung L. Pham, Philip V. Bayly
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. August 2023, 145(8): 081006.
Paper No: BIO-22-1312
https://doi.org/10.1115/1.4062809
Published Online: June 30, 2023
View Article titled, Comparison of Deformation Patterns Excited in the Human Brain In Vivo by Harmonic and Impulsive Skull Motion
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Topics: Brain, Deformation, Magnetic resonance imaging, Tensors, Elastography, Magnetic resonance
Includes: Supplementary data
Proceedings Papers

Dynamic Simulation of Reaming: Theory, Methods and Application to the Problem of Lobed Holes

Keith A. Young, Philip V. Bayly, Jeremiah. E. Halley
Proc. ASME. IMECE98, Dynamics, Acoustics and Simulations, 245-252, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0573
https://doi.org/10.1115/IMECE1998-0573
View Paper titled, Dynamic Simulation of Reaming: Theory, Methods and Application to the Problem of Lobed Holes
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Topics: Simulation, Cutting, Whirls, Clearances (Engineering), Cycles, Delays, Equilibrium (Physics), Kinematics, Machine tools, Newton's method
Proceedings Papers

Stability Analysis of Interrupted Cutting With Finite Time in the Cut

Philip V. Bayly, Jeremiah E. Halley, Matthew A. Davies, Jon R. Pratt
Proc. ASME. IMECE2000, Manufacturing Engineering, 989-996, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1907
https://doi.org/10.1115/IMECE2000-1907
View Paper titled, Stability Analysis of Interrupted Cutting With Finite Time in the Cut
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Topics: Cutting, Stability, Approximation, Degrees of freedom
Proceedings Papers

Theory of Torsional Chatter in Twist Drills: Model, Stability Analysis and Comparison to Test

Philip V. Bayly, Sandra A. Metzler, Adam J. Schaut, Keith A. Young
Proc. ASME. IMECE2000, Manufacturing Engineering, 899-908, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1897
https://doi.org/10.1115/IMECE2000-1897
View Paper titled, Theory of Torsional Chatter in Twist Drills: Model, Stability Analysis and Comparison to Test
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Topics: Chatter, Drills (Tools), Stability, Cutting, Computer simulation, Drilling, Frequency response, Frequency-domain analysis, Stress, Torque
Proceedings Papers

Imaging of Focused Ultrasound-Induced Shear Waves to Probe Mechanical Anisotropy of Tissue

Charlotte A Guertler, Ruth J Okamoto, Joel R Garbow, Hong Chen, Philip V Bayly
Proc. ASME. DMD2021, 2021 Design of Medical Devices Conference, V001T12A005, April 12–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: DMD2021-1030
https://doi.org/10.1115/DMD2021-1030
View Paper titled, Imaging of Focused Ultrasound-Induced Shear Waves to Probe Mechanical Anisotropy of Tissue
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Topics: Anisotropy, Biological tissues, Elastography, Imaging, Magnetic resonance, Probes, Shear waves, Simulation, Ultrasound
Proceedings Papers

On the Stability of Forced Radial Oscillations of an Experimental Spring Pendulum

Philip V. Bayly, Lawrence N. Virgin
Proc. ASME. DETC93, 14th Biennial Conference on Mechanical Vibration and Noise: Dynamics and Vibration of Time-Varying Systems and Structures, 229-236, September 19–22, 1993
Publisher: American Society of Mechanical Engineers
Paper No: DETC1993-0110
https://doi.org/10.1115/DETC1993-0110
View Paper titled, On the Stability of Forced Radial Oscillations of an Experimental Spring Pendulum
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Topics: Oscillations, Pendulums, Springs, Stability, Bifurcation, Excitation, Limit cycles, Poincaré maps, Resonance
Proceedings Papers

Stabilization of Periodic Flap-Lag Dynamics in Rotor Blades

John M. Schmitt, Philip V. Bayly, David A. Peters
Proc. ASME. DETC95, Volume 3A: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration of Nonlinear, Random, and Time-Varying Systems, 595-603, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0300
https://doi.org/10.1115/DETC1995-0300
View Paper titled, Stabilization of Periodic Flap-Lag Dynamics in Rotor Blades
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Topics: Blades, Dynamics (Mechanics), Rotors, Chaos, Flight, Helicopters, Nonlinear dynamical systems, Poincaré maps, Stability, Transients (Dynamics)
Proceedings Papers

A Perturbation Method for the Forced Response of a Weakly Bilinear Oscillator

Philip V. Bayly
Proc. ASME. DETC95, Volume 3A: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration of Nonlinear, Random, and Time-Varying Systems, 727-735, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0313
https://doi.org/10.1115/DETC1995-0313
View Paper titled, A Perturbation Method for the Forced Response of a Weakly Bilinear Oscillator
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Topics: Displacement, Manufacturing, Resonance, Rotors, Springs, Stiffness, Structural elements (Construction)
Proceedings Papers

Coupling Between Modes of the Asymmetrically-Forced Stretched String

Philip V. Bayly, Kevin D. Murphy
Proc. ASME. DETC97, Volume 1C: 16th Biennial Conference on Mechanical Vibration and Noise, V01CT17A004, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/VIB-4099
https://doi.org/10.1115/DETC97/VIB-4099
View Paper titled, Coupling Between Modes of the Asymmetrically-Forced Stretched String
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Topics: String, Excitation, Resonance, Engineering simulation, Oscillations, Simulation, Steady state
Proceedings Papers

Analysis and Simulation of Radial Chatter in Drilling and Reaming

Sandra A. Metzler, Philip V. Bayly, Keith A. Young, Jeremiah E. Halley
Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 1711-1719, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8059
https://doi.org/10.1115/DETC99/VIB-8059
View Paper titled, Analysis and Simulation of Radial Chatter in Drilling and Reaming
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Topics: Chatter, Drilling, Simulation, Milling, Stability, Stress, Cutting, Degrees of freedom, Geometry, Oscillations
Proceedings Papers

Tool Oscillation and the Formation of Lobed Holes in a Quasi-Static Model of Reaming

Philip V. Bayly, Keith A. Young, Jeremiah E. Halley
Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 1731-1741, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8061
https://doi.org/10.1115/DETC99/VIB-8061
View Paper titled, Tool Oscillation and the Formation of Lobed Holes in a Quasi-Static Model of Reaming
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Topics: Oscillations, Cutting, Whirls, Cycles, Damping, Eigenvalues, Errors, Wavelength
Proceedings Papers

Mechanics of Regenerative Vibration in Drilling: Analytical and Experimental Study of the Formation of Lobed Holes

Philip V. Bayly, Michael T. Lamar, Sean G. Calvert
Proc. ASME. IDETC-CIE2001, Volume 6C: 18th Biennial Conference on Mechanical Vibration and Noise, 2349-2360, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21580
https://doi.org/10.1115/DETC2001/VIB-21580
View Paper titled, Mechanics of Regenerative Vibration in Drilling: Analytical and Experimental Study of the Formation of Lobed Holes
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Topics: Drilling, Vibration, Cutting, Eigenvalues, Damping, Drills (Tools), Inertia (Mechanics), Rotation, Whirls
Journal Articles

Multi-Excitation Magnetic Resonance Elastography of the Brain: Wave Propagation in Anisotropic White Matter

Daniel R. Smith, Charlotte A. Guertler, Ruth J. Okamoto, Anthony J. Romano, Philip V. Bayly, Curtis L. Johnson
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. July 2020, 142(7): 071005.
Paper No: BIO-19-1033
https://doi.org/10.1115/1.4046199
Published Online: March 4, 2020
View Article titled, Multi-Excitation Magnetic Resonance Elastography of the Brain: Wave Propagation in Anisotropic White Matter
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Topics: Anisotropy, Brain, Elastography, Excitation, Magnetic resonance, Wave propagation, Waves, Displacement
Journal Articles

Estimation of Anisotropic Material Properties of Soft Tissue by MRI of Ultrasound-Induced Shear Waves

Charlotte A. Guertler, Ruth J. Okamoto, Jake A. Ireland, Christopher P. Pacia, Joel R. Garbow, Hong Chen, Philip V. Bayly
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. March 2020, 142(3): 031001.
Paper No: BIO-19-1429
https://doi.org/10.1115/1.4046127
Published Online: February 28, 2020
View Article titled, Estimation of Anisotropic Material Properties of Soft Tissue by MRI of Ultrasound-Induced Shear Waves
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Topics: Anisotropy, Biological tissues, Displacement, Fibers, Polarization (Electricity), Polarization (Light), Polarization (Waves), Shear modulus, Shear waves, Simulation
Journal Articles

Shear Wave Propagation and Estimation of Material Parameters in a Nonlinear, Fibrous Material

Zuoxian Hou, Ruth J. Okamoto, Philip V. Bayly
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. May 2020, 142(5): 051010.
Paper No: BIO-19-1172
https://doi.org/10.1115/1.4044504
Published Online: January 20, 2020
View Article titled, Shear Wave Propagation and Estimation of Material Parameters in a Nonlinear, Fibrous Material
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Topics: Fibers, Shear (Mechanics), Shear waves, Waves
Journal Articles

Erratum: “The Relationship of Three-Dimensional Human Skull Motion to Brain Tissue Deformation in Magnetic Resonance Elastography Studies” (ASME J. Biomech. Eng., 2017, 139 (5), p. 051002; DOI: 10.1115/1.4036146 ) to Paper Number BIO-16-1363

Andrew A. Badachhape, Ruth J. Okamoto, Ramona S. Durham, Brent D. Efron, Sam J. Nadell, Curtis L. Johnson, Philip V. Bayly
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Errata
J Biomech Eng. December 2018, 140(12): 127001.
Paper No: BIO-17-1588
https://doi.org/10.1115/1.4040947
Published Online: September 25, 2018
View Article titled, Erratum: “The Relationship of Three-Dimensional Human Skull Motion to Brain Tissue Deformation in Magnetic Resonance Elastography Studies” (ASME J. Biomech. Eng., 2017, 139 (5), p. 051002; DOI: 10.1115/1.4036146 ) to Paper Number BIO-16-1363
Open the PDF for Erratum: “The Relationship of Three-Dimensional Human Skull Motion to Brain Tissue Deformation in Magnetic Resonance Elastography Studies” (ASME J. Biomech. Eng., 2017, 139 (5), p. 051002; DOI: 10.1115/1.4036146 ) to Paper Number BIO-16-1363 in another window
Topics: Biological tissues, Brain, Deformation, Elastography, Errors, Magnetic resonance, Encryption, Displacement, Calibration
Journal Articles

Statistical Characterization of Human Brain Deformation During Mild Angular Acceleration Measured In Vivo by Tagged Magnetic Resonance Imaging

Deva D. Chan, Andrew K. Knutsen, Yuan-Chiao Lu, Sarah H. Yang, Elizabeth Magrath, Wen-Tung Wang, Philip V. Bayly, John A. Butman, Dzung L. Pham
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. October 2018, 140(10): 101005.
Paper No: BIO-17-1419
https://doi.org/10.1115/1.4040230
Published Online: June 21, 2018
View Article titled, Statistical Characterization of Human Brain Deformation During Mild Angular Acceleration Measured In Vivo by Tagged Magnetic Resonance Imaging
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Topics: Biological tissues, Brain, Deformation, Magnetic resonance imaging, Rotation, Biomechanics
Includes: Supplementary data
Journal Articles

The Relationship of Three-Dimensional Human Skull Motion to Brain Tissue Deformation in Magnetic Resonance Elastography Studies

Andrew A. Badachhape, Ruth J. Okamoto, Ramona S. Durham, Brent D. Efron, Sam J. Nadell, Curtis L. Johnson, Philip V. Bayly
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. May 2017, 139(5): 051002.
Paper No: BIO-16-1363
https://doi.org/10.1115/1.4036146
Published Online: March 21, 2017
View Article titled, The Relationship of Three-Dimensional Human Skull Motion to Brain Tissue Deformation in Magnetic Resonance Elastography Studies
Open the PDF for The Relationship of Three-Dimensional Human Skull Motion to Brain Tissue Deformation in Magnetic Resonance Elastography Studies in another window
Topics: Accelerometers, Biological tissues, Brain, Gelatin, Phantoms, Displacement
Proceedings Papers

Identification of Anisotropic Material Parameters in Elastic Tissue Using Magnetic Resonance Imaging of Shear Waves

Dennis J. Tweten, Ruth J. Okamoto, John L. Schmidt, Joel R. Garbow, Philip V. Bayly
Proc. ASME. IDETC-CIE2015, Volume 8: 27th Conference on Mechanical Vibration and Noise, V008T13A106, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46539
https://doi.org/10.1115/DETC2015-46539
View Paper titled, Identification of Anisotropic Material Parameters in Elastic Tissue Using Magnetic Resonance Imaging of Shear Waves
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Topics: Anisotropy, Biological tissues, Magnetic resonance imaging, Shear waves, Materials properties, Polarization (Electricity), Polarization (Light), Polarization (Waves), Waves, Brain