University of South Carolina, 1975 - present
Georgia Institute of Technology, 1974 - 1975
University of Texas, 1968 - 1974
Consulting:
Tamper, Columbia, South Carolina Consultant, 1988 – present
Kline, Iron & Steel, Columbia, South Carolina Consultant, 1987 -1990
Townsend Saw Chain Company - Short Course on Micro Processor Interfacing, 1984
NASA - Houston, Houston, Texas; NASA Faculty Fellowship, Summer 1971
NASA - JPL - Pasadena, California; NASA Faculty Fellowship, Summer 1970
Tracor, Inc., Austin, Texas; Consultant, 1968 – 1974
Hughes Aircraft Company, Los Angeles, California; Technical Staff 1964 - 1967
Stability of Linear Dynamic Systems with Narrow-Band Parametric Excitation,(with T.K. Caughey) Journal of Applied Mechanics, September 1967.
Dynamic Analysis of Complex Structures, Shock and Vibration Bulletin, January 1968.
Stability of Continuous Dynamic Systems with Parametric Excitation, (with T.K. Caughey), Journal of Applied Mechanics, June 1969.
Stability of Linear Systems with Parametric Excitation, Brief Note, Journal of Applied Mechanics, March 1970.
A Rationale for the Accelerated Life Testing of Multi-Component Systems,(with A. Bedford, C. Yew, E. Stump) Report to NASA, Marshall Space Flight Center, Contract No. NASA-29027. Feb. 73.
Dynamic Response of Linear Structures with Large Parameters, Journal of Applied Mechanics, March 1974.
Stability of a Chain of Linear Differential Equations, (with P.A. Erickson), Journal of Mathematical Analysis and Applications, Vol. 47, 1974.
Linear Dynamic Systems with Time Delays, Proceedings 12th Annual Meeting of Society of Engineering Science, 1975.
Stability of Cyclic Dynamical Systems, (with P.A. Erickson), ASME Journal of Dynamical Systems, Measurement and Control. Vol. 97, Dec 1975.
Response of Linear Dynamic Systems with Random Coefficients, Proceedings of the 13th Meeting of the Society of Engineering Science, 1976.
Stability of Linear Functional Equations on Banach Spaces, (with J.Gibson), Journal of Mathematical Analysis and Application, Vol. 55, 1976.
Stability of Nonautonomous Second Order Partial Differential Equations, Journal of Mathematical Analysis and Applications, Vol. 62, March 1978.
Dynamics of Chain Saw Chains, (with R. Koebke), 16th Annual Meeting of the Society of Engineering Science, Inc., September 1979.
Formulation Oriented Teaching in Mechanics, (with M. Aswani) ASEE Southeastern Section Meeting 1980, Orlando, Florida.
Putting the "Pot" Back into "Potsherd," (a mathematical study), (with Marion Smith), presented to the 3rd International Conference on Mathematical Modeling, July 1981, Los Angeles, California.
Behavior of Dynamical Systems in Accelerating Frames, 19th Annual Meeting of the Society of Engineering Science. Oct. 1982.
Microprocessors in the Undergraduate Laboratory, ASEE Southeastern Sec. Mtg. Columbia, S.C. 1985.
A Nine Degree of Freedom Cable Finite Element, (with C. Hwang and H. Bradburn), ASCE Engineering Specialty Conference, Blacksburg, VA. 1988.
Estimation of Errors in Critical Speed Equations, (with R. Roberts) American Academy of Forensic Sciences, 41st Annual Mtg., Las Vagas, February 1989.
Structures with Semi-Rigid Bolted Connections, (with Decorso, etal) Proceedings of Structures Congress, 1989.
Spectral Analysis of Sitting Postural Stability, (with B. McClennaghan and S. Bailey) The Association for the Advancement of Rehabilitation Technology, Annual Conference Proceedings, New Orleans, LA June 89.
Torsion of Beams of Polygonal Cross Sections, (with E. Brislin) Southeastern Conference on Theoretical and Applied Mechanics, 1990 Atlanta.
Hydrologic Impact of Reservoir Filling on a Fractured Crystalline-Rock Aquifer, (with M. Widdowson, etal) ASCE National Conference on Irrigation and Drainage Engineering and Groundwater in the Pacific Rim and Lysimeter Symposium. July 1991.
Use of the Spectral Signature of Postural Sway to Predict Impairment of Stability, (with McClennaghan, et al) Canadian Medical and Biological Engineering Society, Banff, Alberta May 9-11, 1993.
Special Signature of Forces to Discriminate Perturbations in Standing Posture, (with McClennaghan, et al) Clinical Biomechanics 1994 9:21-27.
Characterization and Stormwater Management Implications of Spatially Variable Rainfall, (with M. Meadows, M. Kollitz) , American Society of Agricultural Engineers, International, Summer Mtg. 1994
Low Cost Multi-Purpose Data Acquisition, (with M.Widdowson and M. Meadows) 5th National Outdoor Action Conference.
Spectral characteristics of ageing postural control (with McClennaghan, et al) Gait and Posture Vol 3 1995
Inexpensive Electronic Water Level Recorders for Hydrologic Studies (with R. Keenann, et al) GWMR Spring 1996
Prediction and Minimization of Computed Error in Elastic Stress Analysis Due to Random Measurement Errors on the Boundary (with D. Nale, et al) 11th International Conference on Boundary Element Technology, April 1996
"Spectral Characteristics of Postural Control in High and Low Risk Elderly" with Harriet Williams and Bruce McClenaghan in Archives of Physical Medicine and Rehabilitation, vol 78 p737-744, 1997
Approximate Sulutions to Linear Differential Equations (with M. Drexel) Submitted to Journal of Vibrations, ASME
A Nonlinear Finite Element for Guyed Tower Analysis, (with H. Bradburn) (in preparation)