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Journal Articles

In Vivo Quantification of Ascending Thoracic Aortic Aneurysm Wall Stretch Using MRI: Relationship to Repair Threshold Diameter and Ex Vivo Wall Failure Behavior

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Huiming Dong, Henrik Haraldsson, Joseph Leach, Ang Zhou, Megan Ballweber, Chengcheng Zhu, Yue Xuan, Zhongjie Wang, Michael Hope, Frederick H. Epstein, Liang Ge, David Saloner, Elaine Tseng, Dimitrios Mitsouras
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. December 2024, 146(12): 121009.
Paper No: BIO-23-1137
https://doi.org/10.1115/1.4066430
Published Online: October 3, 2024
View Articletitled, In Vivo Quantification of Ascending Thoracic Aortic Aneurysm Wall Stretch Using MRI: Relationship to Repair Threshold Diameter and Ex Vivo Wall Failure Behavior
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Topics: Aneurysms, Aorta, Displacement, Echoes, Encryption, Failure, Imaging, Magnetic resonance imaging, Maintenance, Mechanical testing
Includes: Supplementary data
Proceedings Papers

Numerical Study on Discharging Characteristics of Pebble Cluster Flow in Pebble Bed

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Liang Ge, Nan Gui, Xingtuan Yang, Jiyuan Tu, Shengyao Jiang
Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T13A021, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16364
https://doi.org/10.1115/ICONE2020-16364
View Paper titled, Numerical Study on Discharging Characteristics of Pebble Cluster Flow in Pebble Bed
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Topics: Flow (Dynamics), Particulate matter, Discrete element methods, Gravity (Force), Packing (Shipments), Packings (Cushioning), Simulation
Journal Articles

A Characteristic-Based Constitutive Law for Dispersed Fibers

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Liang Ge
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. July 2016, 138(7): 071006.
Paper No: BIO-15-1624
https://doi.org/10.1115/1.4033517
Published Online: June 7, 2016
View Articletitled, A Characteristic-Based Constitutive Law for Dispersed Fibers
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Topics: Approximation, Fibers, Constitutive equations
Journal Articles

Finite Element Modeling of Mitral Valve Repair

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Ashley E. Morgan, Joe Luis Pantoja, Jonathan Weinsaft, Eugene Grossi, Julius M. Guccione, Liang Ge, Mark Ratcliffe
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2016, 138(2): 021009.
Paper No: BIO-15-1408
https://doi.org/10.1115/1.4032125
Published Online: January 27, 2016
View Articletitled, Finite Element Modeling of Mitral Valve Repair
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Topics: Maintenance, Modeling, Valves, Muscle, Stress
Journal Articles

A Novel Method for Quantifying Smooth Regional Variations in Myocardial Contractility Within an Infarcted Human Left Ventricle Based on Delay-Enhanced Magnetic Resonance Imaging

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Martin Genet, Lik Chuan Lee, Liang Ge, Gabriel Acevedo-Bolton, Nick Jeung, Alastair Martin, Neil Cambronero, Andrew Boyle, Yerem Yeghiazarians, Sebastian Kozerke, Julius M. Guccione
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. August 2015, 137(8): 081009.
Paper No: BIO-14-1573
https://doi.org/10.1115/1.4030667
Published Online: August 1, 2015
View Articletitled, A Novel Method for Quantifying Smooth Regional Variations in Myocardial Contractility Within an Infarcted Human Left Ventricle Based on Delay-Enhanced Magnetic Resonance Imaging
Open the PDF for A Novel Method for Quantifying Smooth Regional Variations in Myocardial Contractility Within an Infarcted Human Left Ventricle Based on Delay-Enhanced Magnetic Resonance Imaging in another window
Topics: Biological tissues, Magnetic resonance imaging, Modeling, Stiffness, Finite element analysis, Materials properties, Delays, Stress
Proceedings Papers

Simulations of the Hinge Flow Fields of a Bileaflet Mechanical Heart Valve Under Physiologic Pulsatile Aortic Conditions

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Hélène A. Simon, Liang Ge, Iman Borazjani, Fotis Sotiropoulos, Ajit P. Yoganathan
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 1093-1094, June 25–29, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SBC2008-192939
https://doi.org/10.1115/SBC2008-192939
View Paper titled, Simulations of the Hinge Flow Fields of a Bileaflet Mechanical Heart Valve Under Physiologic Pulsatile Aortic Conditions
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Topics: Engineering simulation, Flow (Dynamics), Heart valve prostheses, Hinges, Physiology, Simulation, Valves, Design, Blood, Hemodynamics
Proceedings Papers

A Biventricular Finite Element Model of Heart Failure for Predicting the Effects of Treatment Strategies

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Jonathan F. Wenk, Liang Ge, Zhihong Zhang, Mehrdad Soleimani, D. Dean Potter, Arthur W. Wallace, Mark B. Ratcliffe, Julius M. Guccione
Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 149-150, June 22–25, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SBC2011-53142
https://doi.org/10.1115/SBC2011-53142
View Paper titled, A Biventricular Finite Element Model of Heart Failure for Predicting the Effects of Treatment Strategies
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Topics: Finite element model, Heart failure, Medical devices, Patient treatment, Statistics, Surgery, Warfare
Journal Articles

A Novel Method for Quantifying In-Vivo Regional Left Ventricular Myocardial Contractility in the Border Zone of a Myocardial Infarction

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Lik Chuan Lee, Jonathan F. Wenk, Doron Klepach, Zhihong Zhang, David Saloner, Arthur W. Wallace, Liang Ge, Mark B. Ratcliffe, Julius M. Guccione
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Briefs
J Biomech Eng. September 2011, 133(9): 094506.
https://doi.org/10.1115/1.4004995
Published Online: October 11, 2011
View Articletitled, A Novel Method for Quantifying In-Vivo Regional Left Ventricular Myocardial Contractility in the Border Zone of a Myocardial Infarction
Open the PDF for A Novel Method for Quantifying In-Vivo Regional Left Ventricular Myocardial Contractility in the Border Zone of a Myocardial Infarction in another window
Topics: Finite element model, Magnetic resonance imaging, Optimization, Stress, Fibers, Aneurysms
Journal Articles

Simulation of Mechanical Environment in Active Lead Fixation: Effect of Fixation Helix Size

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Xuefeng Zhao, Jonathan F. Wenk, Mike Burger, Yi Liu, Mithilesh K. Das, William Combs, Liang Ge, Julius M. Guccione, Ghassan S. Kassab
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. June 2011, 133(6): 061006.
https://doi.org/10.1115/1.4004288
Published Online: June 28, 2011
View Articletitled, Simulation of Mechanical Environment in Active Lead Fixation: Effect of Fixation Helix Size
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Topics: Damage, Electrodes, Finite element analysis, Myocardium, Wire, Screws, Simulation, Failure, Pacemakers, Algorithms
Proceedings Papers

The Application of Entransy Dissipation Theory in the Volume-to-Point Heat Conduction Problem

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Liang Ge, Mingtian Xu, Lin Cheng
Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 3, 299-304, August 8–13, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IHTC14-22271
https://doi.org/10.1115/IHTC14-22271
View Paper titled, The Application of Entransy Dissipation Theory in the Volume-to-Point Heat Conduction Problem
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Topics: Energy dissipation, Heat conduction, Heat, Electrical conductivity, Thermal conductivity, Computer cooling, Cooling, Finite element methods, Integrated circuits, Operating temperature
Journal Articles

Regional Left Ventricular Myocardial Contractility and Stress in a Finite Element Model of Posterobasal Myocardial Infarction

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Jonathan F. Wenk, Kay Sun, Zhihong Zhang, Mehrdad Soleimani, Liang Ge, David Saloner, Arthur W. Wallace, Mark B. Ratcliffe, Julius M. Guccione
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Briefs
J Biomech Eng. April 2011, 133(4): 044501.
https://doi.org/10.1115/1.4003438
Published Online: February 17, 2011
View Articletitled, Regional Left Ventricular Myocardial Contractility and Stress in a Finite Element Model of Posterobasal Myocardial Infarction
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Topics: Finite element analysis, Finite element model, Magnetic resonance imaging, Optimization, Stress
Proceedings Papers

Bearing Fault Diagnosis Based on Embedded Multiple Sensors

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Yimin Shao, Liang Ge, Chris K. Mechefske, Jieping Fang
Proc. ASME. IDETC-CIE2009, Volume 1: 22nd Biennial Conference on Mechanical Vibration and Noise, Parts A and B, 111-115, August 30–September 2, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DETC2009-86856
https://doi.org/10.1115/DETC2009-86856
View Paper titled, Bearing Fault Diagnosis Based on Embedded Multiple Sensors
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Topics: Bearings, Fault diagnosis, Sensors, Signals, Flaw detection, Temperature, Vibration
Journal Articles

Direction and Magnitude of Blood Flow Shear Stresses on the Leaflets of Aortic Valves: Is There a Link With Valve Calcification?

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Liang Ge, Fotis Sotiropoulos
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Briefs
J Biomech Eng. January 2010, 132(1): 014505.
https://doi.org/10.1115/1.4000162
Published Online: December 9, 2009
View Articletitled, Direction and Magnitude of Blood Flow Shear Stresses on the Leaflets of Aortic Valves: Is There a Link With Valve Calcification?
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Topics: Blood flow, Flow (Dynamics), Hemodynamics, Shear stress, Valves, Endothelial cells
Proceedings Papers

Fluid-Structure Interaction in Bi-Leaflet Mechanical Heart Valves

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Iman Borazjani, Liang Ge, Fotis Sotiropoulos, Lakshmi Prasad Dasi, Ajit Yogonathan
Proc. ASME. BIOMED2007, ASME 2007 2nd Frontiers in Biomedical Devices, 17-18, June 7–8, 2007
Publisher: American Society of Mechanical Engineers
Paper No: BioMed2007-38074
https://doi.org/10.1115/BioMed2007-38074
View Paper titled, Fluid-Structure Interaction in Bi-Leaflet Mechanical Heart Valves
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Topics: Fluid structure interaction, Heart valve prostheses, Aorta, Cardiac cycle, Computer simulation, Flow (Dynamics), Fluid dynamics, Geometry, Kinematics, Simulation
Journal Articles

Flow in a Mechanical Bileaflet Heart Valve at Laminar and Near-Peak Systole Flow Rates: CFD Simulations and Experiments

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Liang Ge, Hwa-Liang Leo, Fotis Sotiropoulos, Ajit P. Yoganathan
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Papers
J Biomech Eng. October 2005, 127(5): 782–797.
https://doi.org/10.1115/1.1993665
Published Online: March 31, 2005
View Articletitled, Flow in a Mechanical Bileaflet Heart Valve at Laminar and Near-Peak Systole Flow Rates: CFD Simulations and Experiments
Open the PDF for Flow in a Mechanical Bileaflet Heart Valve at Laminar and Near-Peak Systole Flow Rates: CFD Simulations and Experiments in another window
Topics: Flow (Dynamics), Simulation, Turbulence, Valves, Laminar flow, Computational fluid dynamics, Computer simulation, Reynolds number
Journal Articles

Numerical Simulation of Flow in Mechanical Heart Valves: Grid Resolution and the Assumption of Flow Symmetry

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Liang Ge, S. Casey Jones, Fotis Sotiropoulos, Timothy M. Healy, Ajit P. Yoganathan
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Papers
J Biomech Eng. October 2003, 125(5): 709–718.
https://doi.org/10.1115/1.1614817
Published Online: October 9, 2003
View Articletitled, Numerical Simulation of Flow in Mechanical Heart Valves: Grid Resolution and the Assumption of Flow Symmetry
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Topics: Flow (Dynamics), Geometry, Resolution (Optics), Simulation, Valves, Vortices, Heart valve prostheses, Numerical analysis, Computational fluid dynamics, Computer simulation