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Journal Articles

Bayesian Optimization of Equilibrium States in Elastomeric Beams

David Yoo, Nathan Hertlein, Vincent W. Chen, Carson L. Willey, Andrew Gillman, Abigail Juhl, Sam Anand, Kumar Vemaganti, Philip R. Buskohl
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. November 2021, 143(11): 111702.
Paper No: MD-20-1754
DOI: https://doi.org/10.1115/1.4050743
Published Online: May 28, 2021
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Topics: Design, Displacement, Optimization, Fourier series, Equilibrium (Physics)
Includes: Supplementary data
Proceedings Papers

Bayesian Optimization of Energy-Absorbing Lattice Structures for Additive Manufacturing

Nathan Hertlein, Kumar Vemaganti, Sam Anand
Proc. ASME. IMECE2020, Volume 6: Design, Systems, and Complexity, V006T06A028, November 16–19, 2020
Paper No: IMECE2020-23377
DOI: https://doi.org/10.1115/IMECE2020-23377
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Topics: Additive manufacturing, Design, Optimization
Proceedings Papers

Bayesian Optimization of Target Buckling Shapes in Constrained Elastomeric Beams With Geometric Uncertainty

Nathan Hertlein, David Yoo, Philip R. Buskohl, Kumar Vemaganti, Sam Anand
Proc. ASME. IDETC-CIE2020, Volume 11A: 46th Design Automation Conference (DAC), V11AT11A058, August 17–19, 2020
Paper No: DETC2020-22608
DOI: https://doi.org/10.1115/DETC2020-22608
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Topics: Additive manufacturing, Buckling, Design, Optimization, Shapes, Uncertainty
Journal Articles

Testing the Validity of Greenwood and Tripp’s Sum Surface Assumption for Elastic-Plastic Contact

Ashutosh Roy, Bhargava Sista, Kumar Vemaganti
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. October 2020, 142(10): 101501.
Paper No: TRIB-19-1456
DOI: https://doi.org/10.1115/1.4046875
Published Online: May 18, 2020
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Topics: Compression, Displacement, Friction, Shear (Mechanics), Simulation, Surface roughness, Testing, Stress, Finite element analysis, Modeling
Journal Articles

Anisotropy Characterization Using Abbott–Firestone Curves

Ashutosh Roy, Kumar Vemaganti
Journal: Journal of Tribology
Article Type: Technical Briefs
J. Tribol. February 2020, 142(2): 024501.
Paper No: TRIB-19-1150
DOI: https://doi.org/10.1115/1.4045163
Published Online: November 18, 2019
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Topics: Anisotropy
Journal Articles

A Computational Study of Dry Static Friction Between Elastoplastic Surfaces Using a Statistically Homogenized Microasperity Model

Bhargava Sista, Kumar Vemaganti
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. April 2015, 137(2): 021601.
Paper No: TRIB-14-1126
DOI: https://doi.org/10.1115/1.4028998
Published Online: April 1, 2015
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Topics: Friction, Shear stress, Stress, Surface roughness, Deformation, Shear (Mechanics)
Proceedings Papers

A Strain Rate Dependent Constitutive Model for Liver Tissue: Experiments and Modeling

Esra Roan, Kumar Vemaganti
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 521-522, June 25–29, 2008
Paper No: SBC2008-192921
DOI: https://doi.org/10.1115/SBC2008-192921
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Topics: Biological tissues, Constitutive equations, Liver, Modeling, Diseases, Wounds, Traffic accidents
Proceedings Papers

Viscohyperelastic Material Modeling of Liver Tissue

Kumar Vemaganti, Esra Roan
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 433-434, June 20–24, 2007
Paper No: SBC2007-176728
DOI: https://doi.org/10.1115/SBC2007-176728
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Topics: Biological tissues, Liver, Modeling, Soft tissues, Compression, Continuum mechanics, Patient diagnosis, Stress, Surgery, Tissue engineering
Proceedings Papers

AFM Indentation and Material Property Identification of Soft Hydrogels

Sakya Tripathy, Edward Berger, Kumar Vemaganti
Proc. ASME. IDETC-CIE2007, Volume 3: 19th International Conference on Design Theory and Methodology; 1st International Conference on Micro- and Nanosystems; and 9th International Conference on Advanced Vehicle Tire Technologies, Parts A and B, 659-667, September 4–7, 2007
Paper No: DETC2007-35451
DOI: https://doi.org/10.1115/DETC2007-35451
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Topics: Atomic force microscopy, Hydrogels, Materials properties, Agar, Engineering simulation, Hardening, Simulation, Algorithms, Deformation, Elastic moduli
Journal Articles

The Nonlinear Material Properties of Liver Tissue Determined From No-Slip Uniaxial Compression Experiments

Esra Roan, Kumar Vemaganti
Journal: Journal of Biomechanical Engineering
Article Type: Technical Papers
J Biomech Eng. June 2007, 129(3): 450–456.
DOI: https://doi.org/10.1115/1.2720928
Published Online: November 19, 2006
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Topics: Biological tissues, Compression, Liver, Stress, Friction, Materials properties