Institute for Mathematics Applied to Geosciences (IMAGe)

first workshop 2009 logo The Institute for Mathematics Applied to Geosciences
Theme for 2009: The Interaction of Simulation and Numerical Models

Frontiers of Geophysical Simulation

18 - 20 August 2009 Boulder, Colorado

AGENDA and Bus Schedule

Tuesday August 18

8:00 Check-in and Coffee, Main Seminar Room
8:15 - 8:30 Open and Welcome
Doug Nychka, NCAR IMAGe)
Time Stepping Methods
8:30 - 9:00 Time Integrators for Atmospheric Fluid Dynamics [Abstract]  [Talk(pdf)]
Jörg Wensch, Technical University of Dresden
9:00 - 9:30 Construction and Performance of Exponential Integrators   [Abstract]  [Talk (pdf)]
Mayya Tokman, University of California, Merced
9:30 - 10:00 Implicit-Explicit Time Stepping Methods for Multiphysics Problems [Abstract]    [Talk(pdf)]
Emil M. Constantinescu, Argonne National Laboratory
10:00 - 10:30 Adjoint Sensitivity Analysis for Two-layered Shallow Water Model in a Limited Domain   [Abstract]  [Talk(pdf)]
Vani Cheruvu, Florida State University
10:30 - 11:10 Coffee break
11:10 - 11:40 Revisiting the Anticipated Potential Vorticity Method 
Todd Ringler, Los Alamos National Laboratory
11:40 - 12:10 The Importance of Being on Time: Exploring Temporal Error in Geophysical Fluid Simulation  [Abstract]  [Talk(pdf)]
Katherine (Kate) Evans, Oak Ridge National Laboratory
12:10 - 12:40 A New Preconditioning Strategy for a Spectral-element-based Magnetohydrodynamics Solver[Abstract]  [Talk(pdf)]
Duane Rosenberg, National Center for Atmospheric Research
12:40 - 2:20 Lunch
High-Order Methods
2:20 - 2:50 A Low Storage, High Order Discontinuous Galerkin Method for Curvilinear Domains
Tim Warburton, Department of Computational and Applied Mathematics, Rice University
2:50 - 3:20 Time Acceleration Methods for the Shallow Water Equations on the Cubed Sphere
Rick Archibald, Computational Mathematics Group,ORNL
3:20 - 3:50 Solving the Global Shallow Water Equations in Vorticity-Divergence Form with Element-Based Galerkin Methods   [Abstract]  [Talk (pdf)]
Michael Levy, University of Colorado at Boulder
3:50 - 4:20 Simulation of Stratified Mixing in Thin Aspect Ratio Domain Using a Spectral Element Method: Handling Small Scale Noise and Improving the Iterative Poisson Solver   [Abstract]  [Talk (pdf)]
Mohamed Iskandarani, University of Miami
4:20 End of Session
4:30 Chartered bus takes participants to Millennium Harvest House
5:00 - 8:30 Mixer   (Millennium Harvest House)

Wednesday August 19

8:15am - 8:30 Coffee
Scalability and Performance
8:30 - 9:00 Exploiting Single Precision BLAS/LAPACK for the Efficient Implementation of the Implicit Discontinuous Galerkin Method
Jean-François Remacle, Université catholique de Louvain
9:00 - 9:30 GPU Metaprogramming Applied to High-Order DG and Loop Generation   [Abstract]  [Talk (pdf)]
Andreas Klöckner, Applied Mathematics, Brown University
9:30 - 10:00 Accelerating the Implicit Integration of Stiff Chemical Systems with Emerging Multi-core Technologies   [Abstract]  [Talk (pdf)]
John Linford, Virginia Polytechnic and State University
10:00 - 10:30 Coffee Break
Adaptive Mesh Refinements
10:30 - 11:00 Verification through Adaptivity   [Abstract]  [Talk (pdf)]
Brian Carnes, Sandia National Laboratories
11:00 - 11:30 Applications of Anisotropic Adaptive Mesh Methods in Geophysical Fluid Dynamics
Matthew Piggott, Imperial College London
11:30 - 12:00pm The Application of the Discontinuous Galerkin Method to Non-hydrostatic and Hydrostatic Atmospheric Flows
Matthias Läuter, Alfred Wegener Institute, Germany
12:00 - 2:00 Lunch
Spatial Discretizations
2:00 - 2:30 Vortex-RBF Methods on the Surface of a Sphere   [Abstract]  [Talk(pdf)]
John P. Boyd, University of Michigan
2:30 - 3:00 Modeling Atmospheric Circulations with High-resolution Methods
Piotr K. Smolarkiewicz, National Center for Atmospheric Research
3:00 - 3:30 Characteristics-Based Flux-Form Semi-Lagrangian Methods for Atmospheric Simulation[Abstract]  [Talk(pdf)]
Matthew R. Norman, North Carolina State University
3:30 - 4:00 Tracer Advection Using Characteristic Discontinuous Galerkin   [Abstract]  [Talk (pdf)]
Robert Lowrie, Los Alamos National Laboratory
4:00 - 4:45 Vertical Discretization in the Non-Hydrostatic Global Environmental Multiscale (GEM) Model
Jean Côté, Environment Canada
4:45 End of Session
5:00 Chartered bus takes participants to Millennium Harvest House

Thursday August 20

8:15am - 8:30 Coffee
Scalability and Performance
8:30 - 9:00 Practical Issues in Comparing Explicit and Implicit Methods on Parallel Computers  [Abstract]  [Talk(pdf)]
Patrick Worley, Oak Ridge National Laboratory
9:00 - 9:30 Advanced Analysis, Sensitivity, and Optimization Capabilities in the Trilinos Collection   [Abstract]  [Talk(pdf)]
Roscoe A. Bartlett, Sandia National Laboratories
9:30 - 10:30 Optimizing High-Resolution Climate Variability Experiments on Cray XT4 and Cray XT5 Systems at NICS and NERSC   [Abstract] and Scaling High-Resolution Climate to the Next Level  [Abstract]  [Talks(pdf)]
John Dennis, National Center for Atmospheric Research
10:30 - 11:00 Coffee Break
HOMME: High-Order Modeling Environment
11:00 - 11:30 Convectively Coupled Waves in HOMME Via a Simple Multicloud Model
Boualem Khouider, University of Victoria
11:30 - 12:00pm Fully Implicit JFNK Solvers in the HOMME Code: A Case Study on Software Toolkit Integration
Roger Pawlowski, Sandia National Laboratories
12:00 - 12:30 An Overview of CAM-HOMME and Recent Simulation Results   [Abstract]  [Talk(pdf)]
Mark Taylor, Sandia National Laboratories
12:30 - 1:45 Lunch
Future Directions for HOMME and Geo-numerical Applications
1:45 - 3:15 Group session
3:15 Workshop Adjourn
3:30 Chartered bus takes participants to Millennium Harvest House