Monday, June 16

3:15 PM-5:15 PM
Weavers Room

MS10
Modeling in Heterogeneous and Non-Isotropic Materials

Modeling flows and contaminant transport in heterogeneous and non-isotropic materials is difficult. The best techniques use a combination of adaptive grids and specially designed discretization methods. The speakers will present some of the latest results for adaptive logically rectangular grids and finite-volume type discretizations. In particular, adapting the grid to the flow or material properties tends to produce a rough grid, so the discretization method must be robust for non-smooth grids.

Organizers: Stanly L. Steinberg,
University of New Mexico;
and Mikhail Shashkov,
Los Alamos National Laboratory

3:15 Second Order Methods for Geologic Materials Using Adaptive Gridding to Minimize Heterogeneity
Thomas H. Robey, Khoral Research, Inc., Albuquerque
3:45 Support Operator Discretizations of Flow Problems in Heterogenous and Non-Isotropic Media
Stanly L. Steinberg, Organizer; James Hyman, Los Alamos National Laboratory; and Mikhail Shashkov, Organizer
4:15 Modeling Reactive Flow in Heterogeneous Porous Media
Bryan J. Travis, Los Alamos National Laboratory
4:45 Unconfined Flow in Heterogeneous Media: The Dupuit Approximation versus the Phreatic Boundary Condition
Patrick M. Knupp and Dale Rucker, Ecodynamics Research Associates, Albuquerque; and Thomas F. Corbet, Sandia National Laboratories, Albuquerque

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TJF, 4/30/97
MMD, 5/5/97