2nd Sandia Workshop on Large-scale
PDE-Constrained Optimization:
Towards Real-time and Online PDE-Constrained Optimization
May 19-21, 2004
Bishop’s Lodge,
Santa Fe, New Mexico
Final workshop program available here
Many engineering and scientific
problems in design, control, and parameter estimation can be formulated as
optimization problems that are governed by PDEs. The
size and complexity of the PDE simulations often present significant
optimization challenges. Recent years have seen sustained progress in PDE
solvers and optimization algorithms, and the rapid rise in computing capability.
Accompanying these advances is a growing interest in real-time and online simulation-based
optimization in such diverse areas as aerodynamics, atmospheric and
geosciences, chemical process industry, environment, homeland security,
infrastructure, manufacturing, and medicine. The need for real-time and online
optimization arises in the form of:
- Inverse problems, in which sensor data is repeatedly
assimilated into simulations of
dynamic processes
- Control problems, in which optimal strategies are
repeatedly generated based on new data
- Design problems, in which an optimum is generated
rapidly to enable interactive design
The challenges for real-time
and online optimization methods include the ability to:
- Run sufficiently quickly for decision-making at
relevant time scales
- Adjust to different solution accuracy requirements
- Target time-dependent objectives and constraints
- Tolerate incomplete, uncertain, or errant data
- Be capable of bootstrapping current solutions
- Yield meaningful results when terminated prematurely
- Be robust in the face of ill-posedness
- Scale to large problem sizes and numbers of
processors
To discuss research issues
associated with overcoming these challenges, the Computer Science Research Institute (CSRI)
at Sandia National
Laboratories will sponsor an invitation-only workshop on May 19-21, 2004. This is the second
workshop in a series on PDE-based optimization; the first workshop was held in
April 2001.
The invited speakers will
address the following issues:
- Reduced order modeling within the context of design
and control
- Frameworks for real-time and online assimilation and
control
- Fast solution methods for time-dependent optimality
systems
- Stability, convergence, and regularization issues in
the online context
- Applications to problems in aerospace sciences,
chemical processes, earth and atmospheric sciences, and medicine
The number of invited speakers
has been kept intentionally small, to allow plenty of time for discussion and
debate, both formal and informal. We anticipate publication of a volume related
to the workshop themes on real-time and online optimization in SIAM's
Computational Science and
Engineering book series. LaTeX Macros for authors
can be found here. A
volume
that came out of the first workshop has been published by Springer.
Workshop
Organizing Committee:
- Larry Biegler,
Carnegie Mellon
University
- Omar Ghattas, Carnegie Mellon University
- Matthias Heinkenschloss, Rice University
- David Keyes, Columbia University
- Bart van Bloemen Waanders, Sandia National
Labs
Adminstrative Support:
- Deanna Ceballos, Sandia
- Barbara Delap, Sandia
Workshop participants:
- Volkan
Akcelik, CMU
- Natalia Alexandrov,
NASA Langley
- Frank
Allgower, Stuttgart
- Roscoe
Bartlett, Sandia
- Larry Bielger, CMU
- George
Biros, UPenn
- Georg Bock, Heidelberg
- Paul Boggs, Sandia
- Alfio Borzi,
Graz
- Deanna Ceballos, Sandia
- Scott Collis, Sandia
- Nguyen Cuong, MIT
- Barbara De Lap
- Charbel
Farhat, Colorado-Boulder
- Omar
Ghattas. CMU
- Martin
Grepl. MIT
- Max Gunzburger, Florida
State
- Eldad Haber,
Emory
- Matthias
Heinkenschloss, Rice
- Judy Hill,
CMU
- Michael Hintermuller,
Graz/Rice
- Michael
Hinze, Dresden
- David
Keyes, Columbia
- Sangtae Kim, NSF
- Carl Laird, CMU
- Friedmann Leibfritz, Trier
- Michael Lewis, William and Mary
- Kevin Long, Sandia
- Kurt Maute,
Colorado-Boulder
- Scott Mitchell, Sandia
- Anthony Patera, MIT
- Linda Petzold, UCSB
- Ekkehard
Sachs, Virginia Tech/Universitat Trier
- Andy Salinger Sandia
- Radu Serban,
LLNL
- John Shadid, Sandia
- Danny Sorensen, Rice
- George Staus, ExxonMobil Upstream
- Stefan Ulbrich, TU Munich
- Bart van
Bloemen Waanders, Sandia
- Karen Willcox, MIT
- David
Womble, Sandia
- David
Young, Boeing