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Journal Articles

Decoupling Uniaxial Tensile Prestress and Waveguide Effects From Estimates of the Complex Shear Modulus in a Cylindrical Structure Using Transverse-Polarized Dynamic Elastography

Melika Salehabadi, Joseph Crutison, Dieter Klatt, Thomas J. Royston
Journal: Journal of Engineering and Science in Medical Diagnostics and Therapy
Article Type: Research-Article
ASME J of Medical Diagnostics. May 2023, 6(2): 021003.
Paper No: JESMDT-22-1030
DOI: https://doi.org/10.1115/1.4056411
Published Online: December 23, 2022
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Topics: Elastography, Excitation, Shear modulus, Waveguides, Waves, Cylinders, Stress, Shear (Mechanics), Phantoms, Shear waves
Journal Articles

Biaxial Tensile Prestress and Waveguide Effects on Estimates of the Complex Shear Modulus Using Optical-Based Dynamic Elastography in Plate-Like Soft Tissue Phantoms

Marta Dore, Aime Luna, Thomas J. Royston
Journal: Journal of Engineering and Science in Medical Diagnostics and Therapy
Article Type: Research-Article
ASME J of Medical Diagnostics. February 2023, 6(1): 011006.
Paper No: JESMDT-22-1029
DOI: https://doi.org/10.1115/1.4056103
Published Online: November 23, 2022
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Topics: Elastography, Phantoms, Shear modulus, Stress, Waveguides, Shear (Mechanics), Waves, Deformation, Viscoelasticity
Proceedings Papers

Modeling and Compensation of Hysteresis in Piezoceramic Transducers for Vibration Control

Soon-Hong Lee, Thomas J. Royston, Gary Friedman
Proc. ASME. IMECE99, Adaptive Structures and Material Systems, 11-18, November 14–19, 1999
Paper No: IMECE1999-0521
DOI: https://doi.org/10.1115/IMECE1999-0521
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Topics: Modeling, Piezoelectric ceramics, Transducers, Vibration control, Capacitors, Composite materials, Feedforward control
Proceedings Papers

Piezoceramic Hysteresis in the Adaptive Structural Vibration Control Problem

Soon-Hong Lee, M. Bulent Ozer, Thomas J. Royston
Proc. ASME. IMECE2000, Adaptive Structures and Material Systems, 453-460, November 5–10, 2000
Paper No: IMECE2000-1736
DOI: https://doi.org/10.1115/IMECE2000-1736
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Topics: Piezoelectric ceramics, Vibration control, Semiconductor wafers, Capacitors, Equations of motion, Linear systems, Modeling, Simply supported beams
Proceedings Papers

A Theoretical and Experimental Study of the Vibratory Behavior of a High-Precision Optical Positioning Table

Ipek Basdogan, Thomas J. Royston, Juan Barraza, Deming Shu, Tuncer M. Kuzay
Proc. ASME. DETC97, Volume 1A: 16th Biennial Conference on Mechanical Vibration and Noise, V01AT06A023, September 14–17, 1997
Paper No: DETC97/VIB-4215
DOI: https://doi.org/10.1115/DETC97/VIB-4215
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Topics: Bearings, Dynamics (Mechanics), Kinematics, Multibody systems, Optics, Photons, Stability, Synchrotron radiation, Vibration isolation, X-rays
Proceedings Papers

Comparison of Two Rate-Independent Hysteresis Models With Application to Piezoceramic Transducers

Thomas J. Royston, Soon-Hong Lee, Gary Friedman
Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 2139-2150, September 12–16, 1999
Paper No: DETC99/VIB-8082
DOI: https://doi.org/10.1115/DETC99/VIB-8082
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Topics: Piezoelectric ceramics, Transducers, Capacitors, Composite materials
Proceedings Papers

Effect of Piezoceramic Hysteresis in Passive and Hybrid Structural Acoustic Control

M. Bulent Ozer, Thomas J. Royston
Proc. ASME. IDETC-CIE2001, Volume 6B: 18th Biennial Conference on Mechanical Vibration and Noise, 1379-1388, September 9–12, 2001
Paper No: DETC2001/VIB-21465
DOI: https://doi.org/10.1115/DETC2001/VIB-21465
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Topics: Acoustics, Piezoelectric ceramics, Semiconductor wafers, Dimensions, Equations of motion, Modeling
Journal Articles

Finite Element Based Optimization of Human Fingertip Optical Elastography

Altaf A. Khan, Steven P. Kearney, Thomas J. Royston
Journal: Journal of Engineering and Science in Medical Diagnostics and Therapy
Article Type: Research-Article
ASME J of Medical Diagnostics. August 2018, 1(3): 031007.
Paper No: JESMDT-18-1003
DOI: https://doi.org/10.1115/1.4040199
Published Online: June 5, 2018
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Topics: Finite element analysis, Optimization, Shear (Mechanics), Approximation, Surface waves (Fluid), Elastography, Viscoelasticity, Actuators
Journal Articles

Early Acoustic Warning for the Onset of Acute Chest Syndrome in Sickle Cell Patients

Brian Henry, Gardner Yost, Robert Molokie, Thomas J. Royston
Journal: Journal of Engineering and Science in Medical Diagnostics and Therapy
Article Type: Research-Article
ASME J of Medical Diagnostics. May 2018, 1(2): 021006.
Paper No: JESMDT-17-2047
DOI: https://doi.org/10.1115/1.4039177
Published Online: March 7, 2018
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Journal Articles

Special Section: Fractional Calculus in Vibration and Acoustics

Dieter Klatt, Richard L. Magin, Francesco Mainardi, Thomas J. Royston, Noel C. Perkins, I. Y. (Steve) Shen
Journal: Journal of Vibration and Acoustics
Article Type: Guest Editorial
J. Vib. Acoust. October 2014, 136(5): 050301.
Paper No: VIB-14-1141
DOI: https://doi.org/10.1115/1.4027482
Published Online: July 25, 2014
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Topics: Acoustics, Vibration
Journal Articles

Comparison of Poroviscoelastic Models for Sound and Vibration in the Lungs

Zoujun Dai, Ying Peng, Hansen A. Mansy, Richard H. Sandler, Thomas J. Royston
Journal: Journal of Vibration and Acoustics
Article Type: Research-Article
J. Vib. Acoust. October 2014, 136(5): 050905.
Paper No: VIB-13-1386
DOI: https://doi.org/10.1115/1.4026436
Published Online: July 25, 2014
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Topics: Lung, Waves, Compression
Proceedings Papers

Interpreting Microscopic Magnetic Resonance Elastography Measurements Using Finite Element Analysis

Yifei Liu, Temel Yasar, Thomas J. Royston
Proc. ASME. IMECE2013, Volume 3A: Biomedical and Biotechnology Engineering, V03AT03A030, November 15–21, 2013
Paper No: IMECE2013-63355
DOI: https://doi.org/10.1115/IMECE2013-63355
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Topics: Elastography, Finite element analysis, Magnetic resonance, Shells, Dimensions, Phantoms, Rubber, Shear (Mechanics), Silicon, Simulation
Proceedings Papers

Localized Elastography Map of Human Cornea Through Surface Vibrations

Altaf A. Khan, Zoujun Dai, Soledad Cortina, Wallace Chamon, Thomas J. Royston
Proc. ASME. IMECE2013, Volume 3B: Biomedical and Biotechnology Engineering, V03BT03A049, November 15–21, 2013
Paper No: IMECE2013-64016
DOI: https://doi.org/10.1115/IMECE2013-64016
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Topics: Cornea, Elastography, Vibration, Stiffness, Diseases, Lasers, Engineering simulation, Finite element analysis, Geometry, Phantoms
Proceedings Papers

Sound Transmission in a Lung Phantom Model

Zoujun Dai, Ying Peng, Hansen A. Mansy, Thomas J. Royston
Proc. ASME. IMECE2013, Volume 3B: Biomedical and Biotechnology Engineering, V03BT03A048, November 15–21, 2013
Paper No: IMECE2013-63766
DOI: https://doi.org/10.1115/IMECE2013-63766
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Topics: Lung, Phantoms, Sound, Acoustics, Engineering simulation, Simulation, Diseases, Finite element analysis, Wounds, Biological tissues
Proceedings Papers

Measuring and Modeling Elastography of Human Cornea Using Scanning Laser Doppler Vibrometry

Altaf Khan, Zoujun Dai, Thomas J. Royston
Proc. ASME. SBC2013, Volume 1B: Extremity; Fluid Mechanics; Gait; Growth, Remodeling, and Repair; Heart Valves; Injury Biomechanics; Mechanotransduction and Sub-Cellular Biophysics; MultiScale Biotransport; Muscle, Tendon and Ligament; Musculoskeletal Devices; Multiscale Mechanics; Thermal Medicine; Ocular Biomechanics; Pediatric Hemodynamics; Pericellular Phenomena; Tissue Mechanics; Biotransport Design and Devices; Spine; Stent Device Hemodynamics; Vascular Solid Mechanics; Student Paper and Design Competitions, V01BT43A004, June 26–29, 2013
Paper No: SBC2013-14566
DOI: https://doi.org/10.1115/SBC2013-14566
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Topics: Cornea, Elastography, Lasers, Modeling, Phantoms, Viscoelasticity, Design, Diseases, Laser Doppler vibrometers, Mechanical properties
Proceedings Papers

Chest Response to Vibratory Excitation: Advances Beyond Percussion

Ying Peng, Zoujun Dai, Thomas J. Royston, Hansen A. Mansy, Richard H. Sandler
Proc. ASME. IMECE2012, Volume 2: Biomedical and Biotechnology, 869-876, November 9–15, 2012
Paper No: IMECE2012-87068
DOI: https://doi.org/10.1115/IMECE2012-87068
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Topics: Excitation, Acoustics, Finite element model, Lasers, Simulation models, Soft tissues
Proceedings Papers

Pathological Biomechanics of Cerebrospinal Fluid Pressure in Syringomyelia: Fluid Structure Interaction of an In Vitro Coaxial Elastic Tube System

Bryn A. Martin, Richard Labuda, Thomas J. Royston, John N. Oshinski, Bermans Iskandar, Francis Loth
Proc. ASME. SBC2009, ASME 2009 Summer Bioengineering Conference, Parts A and B, 941-942, June 17–21, 2009
Paper No: SBC2009-204685
DOI: https://doi.org/10.1115/SBC2009-204685
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Topics: Biomechanics, Cerebrospinal fluid, Fluid structure interaction, Pressure, Spinal cord
Proceedings Papers

Towards Non-Invasive Assessment of the Elastic Properties of the Spinal Aqueduct

Bryn A. Martin, Thomas J. Royston, John N. Oshinski, Francis Loth
Proc. ASME. SBC2009, ASME 2009 Summer Bioengineering Conference, Parts A and B, 139-140, June 17–21, 2009
Paper No: SBC2009-206788
DOI: https://doi.org/10.1115/SBC2009-206788
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Topics: Aqueducts, Elasticity, Mechanical properties, Pressure, Waves, Geometry, Wave propagation, Cerebrospinal fluid, Fluids, Phantoms
Proceedings Papers

Poro-Visco-Elastic Modeling of Mechanical Wave Motion in the Lungs

Ying Peng, Zoujun Dai, Hansen A. Mansy, Thomas J. Royston
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 751-752, June 20–23, 2012
Paper No: SBC2012-80544
DOI: https://doi.org/10.1115/SBC2012-80544
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Topics: Lung, Modeling, Waves, Compression, Acoustics, Bubbles, Diseases, Mechanical properties, Shear waves, Simulation
Proceedings Papers

A Fluid Structure Interaction Simulation of the Cerebrospinal Fluid, Spinal Cord, and Spinal Stenosis Present in Syringomyelia

Yifei Liu, Bryn A. Martin, Thomas J. Royston, Francis Loth
Proc. ASME. SBC2010, ASME 2010 Summer Bioengineering Conference, Parts A and B, 235-236, June 16–19, 2010
Paper No: SBC2010-19433
DOI: https://doi.org/10.1115/SBC2010-19433
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Topics: Cerebrospinal fluid, Fluid structure interaction, Simulation, Spinal cord