Dr. Charles S. Wojnar
Assistant Professor
Mechanical and Aerospace Engineering
Missouri University of Science and Technology
United States of America
Biography
Ph.D. in Aeronautics, California Institute of Technology (2015) - M.S. in Aeronautics, California Institute of Technology (2011) - B.S. in Aerospace Engineering, University of Illinois at Urbana-Champaign (2010) - Assistant Professor, Department of Mechanical & Aerospace Engineering, Missouri University of Science and Technology, (2015-present) - Assistant Professor (joint appointment), Department of Materials Science and Engineering, Missouri University of Science and Technology, (2015-present) - Graduate Research Assistant, California Institute of Technology (2011-2015)
Research Interest
Aerospace structures, active materials, mechanics of materials, continuum mechanics, micromechanics, manufacturing, experimental and computational solid mechanics.
Publications
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C. S. Wojnar, D. M. Kochmann, “Stability of extreme static and dynamic bulk moduli of an elastic two-phase composite due to a non-positive-definite phase,†Physica Status Solidi B, vol. 251, pp. 397-405, 2014.
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C. S. Wojnar, D. M. Kochmann, “A negative-stiffness phase in elastic composites can produce stable extreme effective dynamic but not static stiffness,†Philosophical Magazine, vol. 94, pp. 532-555, 2014.
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C. S. Wojnar, J.-B. le Graverend, D. M. Kochmann, “Broadband control of the viscoelasticity of ferroelectrics via domain switching,†Applied Physics Letters, vol. 105, 162912, 2014.
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J.-B. le Graverend, C. S. Wojnar, and D. M. Kochmann, “Broadband Electromechanical Spectroscopy: characterizing the dynamic mechanical response of viscoelastic materials under temperature and electric field control in a vacuum environment,†Journal of Materials Science, vol. 50, pp. 3656-3685, 2015.
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C. S. Wojnar, D. M. Kochmann, “Linking internal dissipation mechanisms to the effective complex viscoelastic moduli of ferroelectrics,†Journal of Applied Mechanics, vol. 84, 021006, 2017.
