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Craig's ML-DDDAS Group

Introduction

The multilevel, dynamic data-driven application simulation (ML-DDDAS) group is an outgrowth of Craig Douglas' research in multigrid methods, hardware assisted (i.e., cache aware) multigrid methods, and DDDAS. Our research has been generously supported over more than 20 years by the National Science Foundation, Sandia National Laboratories, the North Atlantic Treaty Organization, the University of Kentucky, Yale University, Duke University, CERFACS (France), the Johannes Kepler Universität Linz (Austria), LNCC (Brasil), Hewlett-Packard, Intel, and International Business Machines.

We strive to bring fast, accurate algorithms to computational scientists using the latest algorithmic and data-driven techniques. Application fields that we have addressed or are addressing include

• Wildland fire simulation
• Contaminant transport simulation
• Ocean modeling
• Flame simulation

Current Group Members

• Divya Bansal, M.S. student (joined group in September, 2006).
• Soham Chakaborty, M.S. student (joined group in May, 2006).
• J. Clay Harris, Ph.D. student (affiliated with group in September, 2004).
• Jay Hatcher, Ph.D. student (joined group in January, 2006).
• Dr. Deng Li, senior scientist (joined group in September, 2004).
• Prof. Robert A. Lodder, professor of chemistry, pharmacy, and electrical and computer engineering (affiliated with group in September, 2004)
• C. Mark Maynard, M.S./Ph.D. student (joined group in November, 2006).
• Ryan McKenzie, Ph.D. student (joined group January, 2003)
• Adam Zornes, M.S./Ph.D. student (joined group September, 2003)

In addition, Profs. Gundolf Haase and Alfio Borzì from the Karl Franzens Universität Graz, Profs. Ulrich Langer and Walter Zulehner (Johannes Kepler Universität Linz), and Dr. Mauricio Kritz from the Laboratório Nacional de Computação Científica (LNCC) have strong ties to our group through cooperative research arrangements.

Recent Graduates

    The following are recent graduates of the group:

• Wei Li (M.S. advisor C. C. Douglas), A Dynamic Data-Driven Application System (DDDAS Tool for Dynamic Reconfigurable Point-to-Point Data Communication,
  University of Kentucky Computer Science Department, December, 2006.
• Ryan McKenzie (M.S. advisor C. C. Douglas), AMGLab: An Interactive Testbench for Learning and Experimentation with Algeraic Multigrid Methods,
  University of Kentucky Computer Science Department, December, 2005.
• Daniel T. Thorne (Ph.D. advisor C. C. Douglas),
  Multigrid with Cache Optimizations on Adaptive Mesh Refinement Hierarchies,
  University of Kentucky Computer Science Department, December, 2003.
• Karen B. Walters (Ph.D. advisor C. C. Douglas),
  Cascadic Multigrid Algorithms,
  University of Kentucky Mathematics Department, April, 2003.
• Michael Sukop (Ph.D. advisor E. Perfect),
  Porosity, Percolation Thresholds, and Water Retention Behavior of Random Fractal Porous Media,
  University of Kentucky Soils Department, February, 2001.
• Jonathan J. Hu (Ph.D. advisor C. C. Douglas),
  Cache Based Multigrid on Unstructured Grids in Two and Three Dimensions,
  University of Kentucky Mathematics Department, September, 2000.

Projects

    Current projects include the following:

• NSF CNS-0540178 (10/1/2005 - 9/30/2007, $305K total) DDDAS-TMRP: Collaborative Research: Adaptive Data-Driven Sensor Configuration, Modeling, and Deployment for Oil, Chemical, and Biological Contamination near Coastal Facilities. Joint project with Texas A&M (R. E. Ewing), the University of Miami (M. Iskandarani), and the University of Utah (C. R. Johnson).
• NSF OISE-0405349 (9/1/2004 - 8/31/2007, $57K total) International:  Fast Solvers for Computational Problems Arising in Pharmacy, Life Sciences, Mathematics, Physics, and the Environment. International partners Johannes Kepler Universität Linz (Ulrich Langer and Walter Zuhlener) and Karl Franzens Universität Graz (Gundolf Haase and Alfio Borzì).
• NSF EIA-0324876 (9/15/2003 - 8/31/2007, $2.062M total) ITR/NGS: DDDAS: Data Dynamic Simulation for Disaster Management. Joint project with University of Colorado at Denver (J. Mandel), National Center for Atmospheric Research (J. Coen), Texas A&M (W. Zhao), and Rochester Institute of Technology (A. Vodacek).
• NSF ACI-0305466 (7/1/2003 - 6/30/2007, $253K total) Multiscale, Multicolor, Multigrid-like Solvers for High Performance Technical Computing.
• NSF ACI-0219627 (9/15/2002 - 8/31/2007, $500K total) ITR: Predictive Contaminant Tracking Using Dynamic Data Driven Application Simulation (DDDAS) Techniques. Joint project with Texas A&M (R. E. Ewing) and the University of Utah (C. R. Johnson).
• Sandia Projects (ASCI and CSRI), 2001-2004.
• Intel-HP Itanium Exploration, 2001-2003.

Tangible Results

• Research Reports (1997 - present)
• Free Software
• Cache Usage Tutorial

DDDAS Virtual Proceedings

• 2000 National Science Foundation Workshop on DDDAS (March 8-10, 2000, Arlington, USA)
• ICCS 2003 Minisymposium on DDDAS (June 2-3, 2003, Melbourne, Australia)
• ICCS 2004 Minisymposium on DDDAS (June 7-8, 2004, Krakow, Poland)
• ICCS 2005 Minisymposium on DDDAS (May 22-25, 2005, Atlanta, USA)
• 2006 National Science Foundation Workshop on DDDAS (January 19-20, 2006, Arlington, USA)
• ICCS 2006 Minisymposium on DDDAS (May 28-31, 2006, Reading, UK)
• 2006 DDDAS and Environmental Problems Workshop (July 10-14, 2006, Petropolis, Brasil)

Cheers,
Craig C. Douglas

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