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Geoscience & Environment Staff Members
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Chester (Chet) Weiss (505-284-6347)
has been working at Sandia National Laboratories since May of 1999. His research interests revolve
around the use of electromagnetic methods for characterizing the naturally occuring and culturally
disturbed subsurface, primarily through the development and utilization
of computational algorithms in fully three-dimensional geometries. Additional interests include
instrumentation, investigations on geologic complexity using fractional calculus, and multi-physics
approaches to understanding fluid properties in geologic materials.
Dr. Weiss has a B.S. (1992) degree in Physics from the University of Arizona and a
Ph.D. (1998) from Texas A&M University in the Department of Geology and Geophysics.
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Lew Bartel (505-844-6902)
has been working at Sandia National Laboratories since 1967. Trained as a solid state
physicist at Iowa State University (Ph.D. 1964), Lew's early research focused on pressure
effects on magnetic materials. Since the mid-1970's, his attention has been directed toward
geophysical problems: in particular, electromagnetics, seismic wave propagation,
poroelasticity and electrokinetics. Lew is the author of over 50 technical papers and reports
and has contributed book chapters to professional volumes published by the Society of Exploration
Geophysicists.
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Computation, Computers, Information and Mathematics Staff
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Pavel Bochev (505-844-1990)
Dr. Bochev is a Principal Member of the Technical Staff at Sandia National Laboratories in Albuquerque where he works in the Computational Mathematics and Algorithms Department.
Dr. Bochev earned his Magister of Mathematics degree from the University of Sofia, Bulgaria in 1987 and a PhD at Virginia Tech under the supervision of Prof. M. Gunzburger in 1994.
Since coming to Sandia, his research has been primarily in the area of compatible and stabilized discretizations for PDEs. Recent work deals with application of algebraic topology and differential geometry in the design of stable, mimetic discrete models of PDEs, formulation of new stabilized methods for incompressible flow problems, and analysis of stabilized methods for problems with multiple time scales arising in chemically reacting flows.
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David M. Day (505-844-1868)
received the PhD degree in Mathematics from the University of California at Berkeley in 1993. He spent one year with the Mathematics Department, University of Kentucky. In 1995 he joined Sandia National Laboratories, NM, where he is a member of the Technical Staff in the Computational Mathematics and Algorithms Department. Dr. Day was a co-recipient of the 2002 Gordon Bell Award for Salinas, a massively parallel structural dynamics simulation code
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Kevin Pendley (505-844-7318)
graduated cum laude from the Universtiy of New Mexico in 2005 with a Bachelor of Science degree in computer science. He is presently working under the Student Internship Program on 3D unstructured tetrahedral meshes and algorithms for moving triangulated interfaces between adjacent regions with differing material
properties.
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