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Ginu U. Unnikrishnan
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Journal Articles

Differences in Trabecular Microarchitecture and Simplified Boundary Conditions Limit the Accuracy of Quantitative Computed Tomography-Based Finite Element Models of Vertebral Failure

Amira I. Hussein, Daniel T. Louzeiro, Ginu U. Unnikrishnan, Elise F. Morgan
Journal: Journal of Biomechanical Engineering
Article Type: Research-Article
J Biomech Eng. February 2018, 140(2): 021004.
Paper No: BIO-17-1370
DOI: https://doi.org/10.1115/1.4038609
Published Online: January 12, 2018
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Topics: Boundary-value problems, Failure, Finite element model, Finite element analysis, Deformation, Yield point, Stiffness, Imaging
Includes: Supplementary data
Journal Articles

Elastic Anisotropy of Trabecular Bone in the Elderly Human Vertebra

Ginu U. Unnikrishnan, John A. Gallagher, Amira I. Hussein, Glenn D. Barest, Elise F. Morgan
Journal: Journal of Biomechanical Engineering
Article Type: Technical Briefs
J Biomech Eng. November 2015, 137(11): 114503.
Paper No: BIO-14-1504
DOI: https://doi.org/10.1115/1.4031415
Published Online: October 1, 2015
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Topics: Bone, Elasticity, Errors, Isotropy, Textiles, Anisotropy, Elastic constants, Constitutive equations, Stiffness, Optimization
Includes: Supplementary data
Journal Articles

Effect of Specimen-Specific Anisotropic Material Properties in Quantitative Computed Tomography-Based Finite Element Analysis of the Vertebra

Ginu U. Unnikrishnan, Glenn D. Barest, David B. Berry, Amira I. Hussein, Elise F. Morgan
Journal: Journal of Biomechanical Engineering
Article Type: Research-Article
J Biomech Eng. October 2013, 135(10): 101007.
Paper No: BIO-12-1575
DOI: https://doi.org/10.1115/1.4025179
Published Online: September 20, 2013
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Topics: Anisotropy, Bone, Finite element analysis, Materials properties, Stiffness
Proceedings Papers

Influence of Specimen-Specific Trabecular Anisotropy on QCT-Based Finite Element Analyses of Lumbar Vertebra

Ginu U. Unnikrishnan, Glenn D. Barest, David B. Berry, Amira I. Hussein, Elise F. Morgan
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 537-538, June 20–23, 2012
Paper No: SBC2012-80114
DOI: https://doi.org/10.1115/SBC2012-80114
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Topics: Anisotropy, Finite element analysis, Lumbar spine, Bone, Finite element model, Stiffness, Biomechanics, Computerized tomography, Deformation, Failure
Journal Articles

A New Material Mapping Procedure for Quantitative Computed Tomography-Based, Continuum Finite Element Analyses of the Vertebra

Ginu U. Unnikrishnan, Elise F. Morgan
Journal: Journal of Biomechanical Engineering
Article Type: Research Papers
J Biomech Eng. July 2011, 133(7): 071001.
DOI: https://doi.org/10.1115/1.4004190
Published Online: July 13, 2011
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Topics: Finite element analysis, Materials properties, Bone, Density, Geometry, Stiffness