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Short description of portfolio item number 1
Published in New Journal of Physics, 2018
This paper is about a phenomenon in which a falling chain impacting a surface accelerates faster than gravitational acceleration. The paper gives experimental results confirming the effect and a mathematical model which captures the behavior.
Recommended citation: Recommended citation: Corbin, N. A., Hanna, J. A., Royston, W. R., Singh, H., Warner, R. B., “Impact-induced acceleration by obstacles”, New Journal of Physics, vol. 20, no. 5, p. 053031, May 2018, issn: 1367-2630. https://doi.org/10.1088/1367-2630/aac151
Published in Soft Matter, 2018
This paper is about the stability of linked conical frusta, i.e. bendy straws. We investigate the effects of material, geometry, and prestress on the stability of such structures.
Recommended citation: Bende, N. P., Yu, T., Corbin, N. A., Dias, M. A., Santangelo, C. D., Hanna, J. A., Hayward, R. C., “Overcurvature induced multistability of linked conical frusta: How a ‘bendy straw’ holds its shape”, Soft Matter, vol. 14, no. 42, pp. 8636–8642, 2018, issn: 1744-683X. https://doi.org/10.1039/C8SM01355A
Published in Federal Railroad Administration, 2021
This Federal Railroad Administration technical report documents the development and testing of a rail neutral temperature measurement technique based on low frequency flexural wave measurements. This report includes much of my masters work.
Recommended citation: Corbin, N., Albakri, M., Tarazaga, P., “Reference-free longitudinal rail stress and neutral temperature measurement utilizing multidirectional elastic waves” Federal Railroad Administration, Washington, D.C., Tech. Rep., submitted 2021, available upon request. https://cnick1.github.io/
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This presentation detailed an alternative, more efficient method for computing projection matrices for component testing. The improved approach uses a Cholesky decomposition, or equivalently mass-normalizes the eigenvectors, to simplify the computation of a matrix inverse involved in computing the projection matrices.
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This presentation investigated the use of Finite Element modeling using Abaqus to investigate stress-dependent wave propagation for the purposes of measuring rail neutral temperature.
Undergraduate course, Virginia Tech, Biomedical Engineering and Mechanics, 2019
ESM 2304, Dynamics 1 teaching assistant.