| Selected Papers | |
• |
J.Helm, S.Kurtz, A-R Salkini and E. O’Brien, “An experimental testing system for fibre-reinforced-polymer-strengthened concrete panels under uniform pressure loads,” Journal of Strain Analysis, Vol. 43, pp. 761-768, 2008. |
• |
J. Helm, “Digital image correlation for specimens with multiple growing cracks,” Experimental Mechanics, Vol. 48, No 6, 753-762, Dec 2008 |
• |
S. Kurtz, P. Balaguru and J. Helm, ”Experimental study of interfacial shear stresses in FRP-strengthened RC beams,” Journal of Composites for Construction, Vol. 12, No. 3, 312-322, May/June 2008 |
• |
J. D. Helm, M. A. Sutton and S. R. McNeill, “Deformations in wide, center-notched, thin panels, part I: three-dimensional shape and deformation measurements by computer vision,” Optical Engineering, Vol. 42 No. 5, 1293-1305, May 2003 |
• |
J. D. Helm, M. A. Sutton and S. R. McNeill, “Deformations in wide, center-notched, thin panels, part II: finite element analysis and comparison to experimental measurements” Optical Engineering, Vol. 42 No. 5, 1306-1320, May 2003 |
• |
J.D. Helm, S.R. McNeill and M.A. Sutton, "Improved Three-dimensional Image Correlation for Surface Displacement Measurement," Optical Engineering, Vol. 35, No. 7, pp. 1911-1920, July 1996. |
| Education | ||
• |
Ph.D., Mechanical Engineering, University of South Carolina, 1999 | |
| Dissertation: "Use of three-dimensional digital image correlation for the experimental characterizatoin of buckling in large, thin, 2024-T3 aluminum, middle-crack tension specimens" | ||
• |
M.S., Mechanical Engineering, University of South Carolina, 1995 | |
| Thesis: "Three-dimensional digital image correlation for surface deformation measurement" | ||
• |
B.S., Mechanical Engineering, University of South Carolina, 1992 | |
• |
B.A., Theater, Lehigh University, 1982 | |