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Benjamin J. Ellis
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Proceedings Papers

The Inferior Stability Provided by the Glenohumeral Capsule Increases With External Rotation in the Abducted Glenohumeral Joint

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Nicholas J. Drury, Benjamin J. Ellis, Patrick J. McMahon, Jeffrey A. Weiss, Richard E. Debski
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 483-484, June 25–29, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SBC2008-192857
https://doi.org/10.1115/SBC2008-192857
View Paper titled, The Inferior Stability Provided by the Glenohumeral Capsule Increases With External Rotation in the Abducted Glenohumeral Joint
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Topics: Dislocations, Rotation, Stability
Proceedings Papers

Effects of Joint Congruency on the Response of a Tension-Compression Nonlinear Constitutive Model for Cartilage

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Benjamin J. Ellis, Gerard A. Ateshian, Andrew E. Anderson, Clare Canal, Steve A. Maas, Jeffrey A. Weiss
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 1073-1074, June 25–29, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SBC2008-192897
https://doi.org/10.1115/SBC2008-192897
View Paper titled, Effects of Joint Congruency on the Response of a Tension-Compression Nonlinear Constitutive Model for Cartilage
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Topics: Cartilage, Compression, Constitutive equations, Tension, Anisotropy, Finite element analysis, Fluids, Materials properties, Stress
Proceedings Papers

Can the Hip Joint be Modeled Accurately Using Simplified Geometry?

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Andrew E. Anderson, Steve A. Maas, Benjamin J. Ellis, Jeffrey A. Weiss
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 509-510, June 25–29, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SBC2008-192902
https://doi.org/10.1115/SBC2008-192902
View Paper titled, Can the Hip Joint be Modeled Accurately Using Simplified Geometry?
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Topics: Geometry, Cartilage, Pressure, Analytical methods, Bone, Engineering simulation, Finite element analysis, Finite element model, Simulation, Springs
Proceedings Papers

Accuracy of Cartilage Geometry Reconstruction From Volumetric CT Data: A Phantom Study

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Andrew E. Anderson, Benjamin J. Ellis, Christopher L. Peters, Jeffrey A. Weiss
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 537-538, June 20–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: SBC2007-174936
https://doi.org/10.1115/SBC2007-174936
View Paper titled, Accuracy of Cartilage Geometry Reconstruction From Volumetric CT Data: A Phantom Study
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Topics: Cartilage, Geometry, Phantoms, Imaging, Biomedical imaging, Computer simulation, Computerized tomography, Construction, Image segmentation, Knee
Proceedings Papers

Effects of Interface Conditions and Volume Fraction on the Apparent Stiffness of Surrogate Multicellular Constructs

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Brian A. Birchler, James E. Guilkey, Benjamin J. Ellis, Steve Maas, Jeffrey A. Weiss
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 1049-1050, June 20–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: SBC2007-176779
https://doi.org/10.1115/SBC2007-176779
View Paper titled, Effects of Interface Conditions and Volume Fraction on the Apparent Stiffness of Surrogate Multicellular Constructs
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Topics: Biological tissues, Biomechanics, Mechanical behavior, Mechanical properties, Stiffness, Stress, Tissue engineering, Vessels
Proceedings Papers

Maximum Principal Strains in the Glenohumeral Capsule During a Clinical Exam: A Validated Finite Element Model

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Nicholas J. Drury, Benjamin J. Ellis, Susan M. Moore, Jeffrey A. Weiss, Richard E. Debski
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 311-312, June 20–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: SBC2007-175358
https://doi.org/10.1115/SBC2007-175358
View Paper titled, Maximum Principal Strains in the Glenohumeral Capsule During a Clinical Exam: A Validated Finite Element Model
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Topics: Arthroscopy, Dislocations, Finite element model, Glenohumeral ligaments, Rotation, Stability, Stress, Surgery
Proceedings Papers

Finite Element Predictions of Joint Contact Mechanics and Acetabular Curvature in Dysplastic Human Hips

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Corinne R. Henak, Christine L. Abraham, Andrew E. Anderson, Christopher L. Peters, Steve A. Maas, Benjamin J. Ellis, Jeffrey A. Weiss
Proc. ASME. SBC2013, Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments, V01AT16A001, June 26–29, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SBC2013-14126
https://doi.org/10.1115/SBC2013-14126
View Paper titled, Finite Element Predictions of Joint Contact Mechanics and Acetabular Curvature in Dysplastic Human Hips
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Topics: Contact mechanics, Finite element analysis, Cartilage, Finite element model, Geometry, Osteoarthritis
Proceedings Papers

Finite Element Predictions of Cartilage Contact Mechanics in Hips With Retroverted Acetabula

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Corinne R. Henak, Eric D. Carruth, Andrew E. Anderson, Michael D. Harris, Benjamin J. Ellis, Christopher L. Peters, Jeffrey A. Weiss
Proc. ASME. SBC2013, Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments, V01AT09A002, June 26–29, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SBC2013-14125
https://doi.org/10.1115/SBC2013-14125
View Paper titled, Finite Element Predictions of Cartilage Contact Mechanics in Hips With Retroverted Acetabula
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Topics: Cartilage, Contact mechanics, Finite element analysis, Modeling, Damage, Osteoarthritis, Stress
Proceedings Papers

Effects of Cartilage Constitutive Model on Specimen-Specific Validation and Predictions of Cartilage Mechanics in the Human Hip

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Corinne R. Henak, Ashley L. Kapron, Andrew E. Anderson, Gerard A. Ateshian, Benjamin J. Ellis, Steve A. Maas, Jeffrey A. Weiss
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, V01BT47A003, June 26–29, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SBC2013-14132
https://doi.org/10.1115/SBC2013-14132
View Paper titled, Effects of Cartilage Constitutive Model on Specimen-Specific Validation and Predictions of Cartilage Mechanics in the Human Hip
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Topics: Cartilage, Constitutive equations, Reliability, Finite element analysis, Finite element model, Geometry, Osteoarthritis, Shear stress, Stress
Proceedings Papers

Continuum Description of the Time- and Strain-Dependent Poisson’s Ratio of Ligament Under Finite Deformation

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Aaron M. Swedberg, Shawn P. Reese, Steve A. Maas, Benjamin J. Ellis, Jeffrey A. Weiss
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, V01BT48A002, June 26–29, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SBC2013-14323
https://doi.org/10.1115/SBC2013-14323
View Paper titled, Continuum Description of the Time- and Strain-Dependent Poisson’s Ratio of Ligament Under Finite Deformation
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Topics: Anisotropy, Biological tissues, Constitutive equations, Deformation, Fibers, Finite element model, Fluids, Poisson ratio, Stress, Tendons
Proceedings Papers

Finite Element Modeling of Joint Contact Mechanics With Quadratic Tetrahedral Elements

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Steve A. Maas, Benjamin J. Ellis, David S. Rawlins, Jeffrey A. Weiss
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, V01BT55A020, June 26–29, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SBC2013-14556
https://doi.org/10.1115/SBC2013-14556
View Paper titled, Finite Element Modeling of Joint Contact Mechanics With Quadratic Tetrahedral Elements
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Topics: Contact mechanics, Finite element analysis, Modeling, Locks (Waterways)
Proceedings Papers

Finite Element Predictions of Cartilage Mechanics in Normal Hips

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Michael D. Harris, Andrew E. Anderson, Benjamin J. Ellis, Steve A. Maas, Sarang C. Joshi, Christopher L. Peters, Joan A. Glaunes, Jeffrey A. Weiss
Proc. ASME. SBC2009, ASME 2009 Summer Bioengineering Conference, Parts A and B, 285-286, June 17–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: SBC2009-206487
https://doi.org/10.1115/SBC2009-206487
View Paper titled, Finite Element Predictions of Cartilage Mechanics in Normal Hips
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Topics: Cartilage, Finite element analysis, Finite element model, Computational methods, Contact mechanics, Diseases, Osteoarthritis
Proceedings Papers

An Enhanced Discrete Element Model for Predicting Hip Contact Stresses

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Christine L. Abraham, Steve A. Maas, Jeffrey A. Weiss, Benjamin J. Ellis, Christopher L. Peters, Andrew E. Anderson
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 1107-1108, June 20–23, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SBC2012-80410
https://doi.org/10.1115/SBC2012-80410
View Paper titled, An Enhanced Discrete Element Model for Predicting Hip Contact Stresses
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Topics: Stress, Cartilage, Geometry, Bone, Finite element analysis, Finite element model, Osteoarthritis
Proceedings Papers

Finite Element Predictions of Labrum and Cartilage Mechanics in Dysplastic Human Hips

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Corinne R. Henak, Ryan S. Davis, Benjamin J. Ellis, Michael D. Harris, Andrew E. Anderson, Christopher L. Peters, Jeffrey A. Weiss
Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 491-492, June 22–25, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SBC2011-53583
https://doi.org/10.1115/SBC2011-53583
View Paper titled, Finite Element Predictions of Labrum and Cartilage Mechanics in Dysplastic Human Hips
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Topics: Cartilage, Finite element analysis, Osteoarthritis, Engineering simulation, Geometry, Modeling, Pressure, Simulation, Stress
Journal Articles

FEBio: Finite Elements for Biomechanics

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Steve A. Maas, Benjamin J. Ellis, Gerard A. Ateshian, Jeffrey A. Weiss
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. January 2012, 134(1): 011005.
https://doi.org/10.1115/1.4005694
Published Online: February 9, 2012
View Articletitled, FEBio: Finite Elements for Biomechanics
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Topics: Biomechanics, Compression, Computer software, Constitutive equations, Displacement, Finite element analysis, Boundary-value problems, Stress, Simulation, Shells
Journal Articles

The Impact of Glenoid Labrum Thickness and Modulus on Labrum and Glenohumeral Capsule Function

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Nicholas J. Drury, Benjamin J. Ellis, Jeffrey A. Weiss, Patrick J. McMahon, Richard E. Debski
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. December 2010, 132(12): 121003.
https://doi.org/10.1115/1.4002622
Published Online: November 1, 2010
View Articletitled, The Impact of Glenoid Labrum Thickness and Modulus on Labrum and Glenohumeral Capsule Function
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Topics: Biological tissues, Finite element model, Geometry, Mechanical properties, Rotation, Stress, Glenohumeral ligaments, Finite element analysis, Kinematics, Maintenance
Journal Articles

Validation of Finite Element Predictions of Cartilage Contact Pressure in the Human Hip Joint

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Andrew E. Anderson, Benjamin J. Ellis, Steve A. Maas, Christopher L. Peters, Jeffrey A. Weiss
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. October 2008, 130(5): 051008.
https://doi.org/10.1115/1.2953472
Published Online: July 14, 2008
View Articletitled, Validation of Finite Element Predictions of Cartilage Contact Pressure in the Human Hip Joint
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Topics: Cartilage, Finite element analysis, Pressure, Errors, Bone, Stairs, Finite element model, Stress
Journal Articles

Equivalence Between Short-Time Biphasic and Incompressible Elastic Material Responses

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Gerard A. Ateshian, Benjamin J. Ellis, Jeffrey A. Weiss
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Papers
J Biomech Eng. June 2007, 129(3): 405–412.
https://doi.org/10.1115/1.2720918
Published Online: November 8, 2006
View Articletitled, Equivalence Between Short-Time Biphasic and Incompressible Elastic Material Responses
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Topics: Biological tissues, Compression, Constitutive equations, Deformation, Elasticity, Finite element analysis, Permeability, Stress, Tensors, Tension
Journal Articles

Effect of ACL Deficiency on MCL Strains and Joint Kinematics

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Trevor J. Lujan, Michelle S. Dalton, Brent M. Thompson, Benjamin J. Ellis, Jeffrey A. Weiss
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Papers
J Biomech Eng. June 2007, 129(3): 386–392.
https://doi.org/10.1115/1.2720915
Published Online: November 6, 2006
View Articletitled, Effect of ACL Deficiency on MCL Strains and Joint Kinematics
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Topics: Anterior cruciate ligament, Kinematics, Knee, Rotation, Fibers, Testing
Journal Articles

Simultaneous Measurement of Three-Dimensional Joint Kinematics and Ligament Strains With Optical Methods

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Trevor J. Lujan, Spencer P. Lake, Timothy A. Plaizier, Benjamin J. Ellis, Jeffrey A. Weiss
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Briefs
J Biomech Eng. February 2005, 127(1): 193–197.
https://doi.org/10.1115/1.1835365
Published Online: March 8, 2005
View Articletitled, Simultaneous Measurement of Three-Dimensional Joint Kinematics and Ligament Strains With Optical Methods
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Topics: Kinematics, Strain measurement