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Contact
Denis Ridzal
Senior Member of
Technical Staff
dridzal@sandia.gov
(505) 845-1395
Related Links
Department
Center
CSRI
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Presentations
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Conference Talks
- 11th Copper Mountain Conference on Iterative Methods, Copper Mountain, CO, Apr. 2010:
A Robust Matrix-Free SQP Method for Large-Scale Optimization.
- NNSA BER Meeting on Transport Equations in Atmospheric Modeling, Sandia National Labs, NM, Mar. 2010:
Optimization-Based Constrained Modeling: A New Transport Paradigm.
- 7th International Conference on Large--Scale Scientific Computations, Sozopol, Bulgaria, June 2009:
Additive Operator Decomposition and Optimization--Based Reconnection with Applications.
- Workshop on Numerical Techniques for Optimization Problems with PDE Constraints, Mathematical Research Institute, Oberwolfach, Germany, Jan. 2009:
Robust Solution Methods via Optimal Control Reformulation.
- 5th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008), Venice, Italy, July 2008:
Scalable Solution Methods for Advection--Dominated PDEs Using an Optimal Control Reformulation.
- 14th International Conference on Finite Elements in Flow Problems, Santa Fe, NM, Mar. 2007:
A Comparative Study of Galerkin and Mixed Galerkin Methods in Optimal Control Problems with
Applications to Semiconductor Modeling.
- SIAM Conference on Computational Science and Engineering, Costa Mesa, CA, Feb. 2007:
Solution of Optimal Control Problems Arising in the Modeling and Design of Semiconductors.
- SIAM Conference on Parallel Processing for Scientific Computing, San Francisco, CA, Feb. 2006:
Parallel Solution of Optimal Control Problems Using an Inexact SQP Algorithm.
- SIAM Annual Meeting, New Orleans, LA, July 2005:
Use of Iterative Linear Solvers in a Lagrange--Newton SQP Algorithm for Large--Scale Nonlinear Optimization.
- SIAM Conference on Computational Science and Engineering, Orlando, FL, Feb. 2005:
A Sequential Quadratic Programming Framework for Large--Scale PDE--Constrained Optimization.
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Invited Talks
- 9th Annual Red Raider Mini--Symposium, Dept. of Mathematics and Statistics, Texas Tech University, Lubbock, TX, Oct. 2009.
- Numerical Analysis Seminar, Los Alamos National Laboratory, Los Alamos, NM, Aug. 2009.
- Special Session on Scientific Computing and Advanced Computation, Joint Mathematics Meeting (AMS/MAA/SIAM), Washington, DC, Jan. 2009.
- Applied Math Colloquium, Dept. of Mathematics, University of Utah, Salt Lake City, UT, Nov. 2008.
- John von Neumann Fellowship Lecture, Sandia National Labs, Albuquerque, NM, Nov. 2007:
Analysis and Control of Numerical Uncertainty in PDE--Constrained Optimization.
- Dept. of Mathematics and Statistics, Texas Tech University, Lubbock, TX, Oct. 2007.
- ExxonMobil Upstream Research Company, Houston, TX, Jan. 2004.
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Posters
- DOE ASCR Applied Mathematics Research PI Meeting, Berkeley, CA, May 2010:
Optimization-Based Conservative Remap
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