DR. THOMAS H. ROBEY

145 W Zia Rd
Santa Fe, New Mexico 87505
(505) 955-9578

Education

Doctorate in Mathematics,
University of New Mexico, August 1990.
Grade point average: 4.0/4.0.
Dissertation: The Mixed Finite Element Method.
Dissertation advisor: Stanly L. Steinberg.

Master of Science in Mechanical Engineering,
University of New Mexico, December 1986.
Grade point average: 4.0/4.0.
Thesis: Use of the Null Space and Non-Conventional Basis Functions in the Mixed Finite Element Method.
Thesis advisor: Howard L. Schreyer.

Master of Science in Management,
Texas A&M University, August 1980.
Grade point average: 3.7/4.0.

Bachelor of Science in Mechanical Engineering,
Texas A&M University, May 1979 (Summa Cum Laude).
Grade point average: 3.8/4.0.

Experience

Computer Consultant, Gaia Environmental Sciences, Santa Fe, New Mexico. February 2004 to present.: Programming, database and web design.
Research Analyst, Prediction Company, Santa Fe, New Mexico. May 2000 to August 2003: Research for investment products.
Software Developer, Technadyne Engineering Consultants, Inc., Albuquerque, New Mexico. September 1998 to April 1999.: Wrote software for parallel input and output for computational mechanics codes.
Research Scientist, Khoral Research, Inc., Albuquerque, New Mexico. October 1996 to July 1998.: Designed and wrote a major part of the Khoros parallel toolbox. Particpated in the MPI-2, MPI-RT and VSIP standards working groups. Wrote and designed the VSIP and streaming operators toolboxes. Participated in the design of Khoros streaming data services. Major designer of the new Khoros error handling system.
Senior Research Scientist, Maui Project/Albuquerque Resource Center, Albuquerque, New Mexico. June 1995 to March 1996.: Managed the development of workshops and World Wide Web tutorials on parallel numerical libraries and their installation at the Albuquerque Resource Center. Organized the 1995-1996 workshop schedule for the Albuquerque Resource Center. Edited and assembled the Future of Fortran workshop materials. Implemented a parallel iterative solver in an unsaturated porous media flow code. Supervised graduate students.
Senior Member, Spectra Research Institute, Albuquerque, New Mexico. March 1991 to October 1996.: Conceptualized and developed a heterogeneous two-dimensional model for ground water travel time studies for the high level nuclear waste project. Developed geostatistical simulations and wrote computer programs for adaptive griding, upscaling properties and modeling highly nonlinear unsaturated flow through heterogeneous fractured rock. Developed a particle tracker for a saturated flow model.
Visiting Assistant Professor, Department of Mathematics, Statistics and Computer Science, Marquette University, Milwaukee, Wisconsin. August 1990 to December 1990.: Taught differential equations and numerical analysis.
Teaching Assistant, Mathematics and Statistics Department, University of New Mexico, Albuquerque, New Mexico. September 1989 to August 1990. September 1988 to May 1989. September 1987 to May 1988.: Taught college algebra and calculus.
Sandia National Laboratories, Outstanding Summer Student Program, Albuquerque, New Mexico. May 1988 to August 1988.: Programmed an iterative scheme for solving a linear system of equations using a Lanzcos scheme on a massively parallel hypercube computer (1024 processors).
Research Assistant, New Mexico Engineering Research Institute, Albuquerque, New Mexico. January 1986 to August 1986. January 1987 to August 1987.: Wrote numerical algorithms for constitutive equations.
Piping Engineer, Fluor Corporation, Sugarland, Texas. September 1980 to December 1984.

Computer Skills

Platforms: Personal computers, workstations, mainframes, supercomputers, and massively parallel computers.
Operating systems: Primarily Unix and DOS/Windows. Some background with UNIX system administration.
Programming languages: C/C++, Java, Basic, Fortran and more. Graphics languages include Postscript and Xlib. Parallel languages include Message Passing Interface (MPI) and High Performance Fortran (HPF).

Publications

J. Fogler, M. Young and T. Robey, Toward Embedded Software Development from Advanced Khoros, Proceedings of the Embedded High Performance Computing '98 Conference, March 31-April 3, 1998.

S. Kubica, T. Robey and C. Mormon, Data Parallel Programming with the Khoros Data Services Library, Proceedings of the Embedded High Performance Computing '98 Conference, March 31-April 3, 1998.

S. Kubica, T. Robey and C. Mormon, Distributed Extensions to the Khoros Data Services Library, Proceedings of the Khoros Symposium '97, March 24-26, 1997.

T. H. Robey, An Adaptive Grid Technique With Smoothing for Minimizing Heterogeneity in Elements, Proceedings of the 3rd Annual International Petroleum Environmental Conference, Albuquerque, NM, 1996, 99-108.

B. W. Arnold, S. J. Altman, T. H. Robey, R. W. Barnard, and T. J. Brown, Unsaturated-Zone Fast-Path Flow Calculations for Yucca Mountain Groundwater Travel Time Analysis (GWTT-94), SAND95-0857, Sandia National Laboratories, Albuquerque, NM, 1995.

S. J. Altman, B. W. Arnold, T. J. Brown, and T. H. Robey, Preliminary Sensitivity Studies of Fast-Path Flow on a Cross- Section of Yucca Mountain, Nevada, Proceedings of the Sixth Annual Conference on High Level Radioactive Waste Management, American Nuclear Society, May 1995, La Grange Park, IL.

R. W. Barnard, T. J. Brown, S. J. Altman, B. W. Arnold, T. H. Robey, and L. H. Skinner, Unsaturated-Zone Fast-Path Flow Calculations for Yucca Mountain GWTT Analyses, Proceedings of the Sixth Annual Conference on High Level Radioactive Waste Management, American Nuclear Society, May 1995, La Grange Park, IL.

T. H. Robey, An Adaptive Grid Technique for Minimizing Heterogeneity of Cells or Elements, Mathematical Geology, 27, 1995, 709-729.

A. R. Schenker, D. C. Guerin, T. H. Robey, C. A. Rautman, and R. W. Barnard, Stochastic Hydrogeologic Units and Hydrogeologic Properties Development for Total System Performance Assessments, Technical Report SAND94-0244, Sandia National Laboratories, Albuquerque, New Mexico, 1995.

S. R. Sobolik, C. K. Ho, E. Dunn, T. H. Robey, and W. T. Cruz, Sensitivity of Hydrological Performance Assessment Analyses to Variations in Material Properties, Conceptual Models, and Ventilation Models, Technical Report SAND94-0779, Sandia National Laboratories, Albuquerque, New Mexico, submitted for project review.

B. Das, S. Steinberg, D. Zhang and T. Robey, Comparisons of Numerical Solution Methods for Differential Equations with Discontinuous Coefficients, Mathematics and Computers in Simulation, 36, 1994, 57-75.

C. A. Rautman and T. H. Robey, Development of Stochastic Indicator Models of Lithology, Yucca Mountain, Nevada, High Level Radioactive Waste Management: Proceedings of the Fifth Annual International Conference, 1994, 2510-2519.

T. H. Robey, Development of Models for Fast Fluid Pathways Through Unsaturated Heterogeneous Porous Media, Technical Report SAND93- 7109, Sandia National Laboratories, Albuquerque, New Mexico, 1994.

T. H. Robey, Modeling Heterogeneous Unsaturated Porous Media Flow at Yucca Mountain, High Level Radioactive Waste Management: Proceedings of the Fifth Annual International Conference, 1994, 2678-2684.

T. H. Robey and D. L. Sulsky, Row Ordering for a Sparse QR Decomposition, SIAM Journal on Matrix Analysis and Applications, 15, 1994.

M. L. Wilson, J. H. Gauthier, R. W. Barnard, G. E. Barr, H. A. Dockery, E. Dunn, R. R. Eaton, D. C. Guerin, N. Lu, M. J. Martinez, R. Nilson, C. A. Rautman, T. H. Robey, B. Ross, E. E. Ryder, A. R. Schenker, S. A. Shannon, L. H. Skinner, W. G. Halsey, J. D. Gansemer, L. C. Lewis, A. D. Lamont, I. R. Triay, A. Meijer, D. Morris, Total-System Performance Assessment for Yucca Mountain - SNL Second Iteration (TSPA-1993), Technical Report SAND93-2675, Sandia National Laboratories, Albuquerque, New Mexico, 1994.

M. L. Wilson and T. H. Robey, The Effect of Stratigraphic Uncertainty on Repository Performance, SPECTRUM '94 proceedings, Atlanta, Georgia, 1994.

C. A. Rautman and T. H. Robey, Recent Developments in Stochastic Modeling and Upscaling of Hydrologic Properties in Tuff, High Level Radioactive Waste Management; Proceedings of the Fourth Annual International Conference, 1993, 1437-1445.

T. H. Robey, Numerical Methods for Fluid Flow in Unsaturated Heterogeneous Tuff, High Level Radioactive Waste Management; Proceedings of the Fourth Annual International Conference, 1993, 138-145.

R. W. Barnard, M. L. Wilson, H. A. Dockery, J. H. Gauthier, P. G. Kaplan, R. R. Eaton, F. W. Bingham and T. H. Robey, TSPA 1991: An Initial Total-System Performance Assessment for Yucca Mountain, Technical Report SAND91-2795, Sandia National Laboratories, Albuquerque, New Mexico, 1992.

G. Corliss, A. Griewank, T. Robey and S. Wright, Automatic Differentiation for PDEs -- Unsaturated Flow Case Study, Proceedings of the 7th IMACS International Conference on Computer Methods for Partial Differential Equations, 1992.

G. Corliss, A. Griewank, T. Robey and S. Wright, Automatic Differentiation Applied to Unsaturated Flow -- ADOL-C Case Study, Technical Memorandum ANL/MCS-TM-162, Argonne National Laboratory, 1992.

G. Corliss, T. Robey, C. Bishof, A. Griewank and S. Wright, Automatic Differentiation for PDE's -- Unsaturated Flow Case Study, Preprint MCS-P311-0692, Mathematics and Computer Science Division, Argonne National Laboratory, 1992.

T. H. Robey, The Primal Mixed Finite Element Method and the LBB Condition, Numerical Methods for Partial Differential Equations, 8, 1992, 357-379.