Contact
Denis Ridzal
Senior Member of Technical Staff
dridzal@sandia.gov
(505) 8451395
Related Links
Department
Center
CSRI

Presentations

Conference Talks
 11th Copper Mountain Conference on Iterative Methods, Copper Mountain, CO, Apr. 2010:
A Robust MatrixFree SQP Method for LargeScale Optimization.
 NNSA BER Meeting on Transport Equations in Atmospheric Modeling, Sandia National Labs, NM, Mar. 2010:
OptimizationBased Constrained Modeling: A New Transport Paradigm.
 7th International Conference on LargeScale Scientific Computations, Sozopol, Bulgaria, June 2009:
Additive Operator Decomposition and OptimizationBased 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 AdvectionDominated 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 LagrangeNewton SQP Algorithm for LargeScale Nonlinear Optimization.
 SIAM Conference on Computational Science and Engineering, Orlando, FL, Feb. 2005:
A Sequential Quadratic Programming Framework for LargeScale PDEConstrained Optimization.
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Invited Talks
 9th Annual Red Raider MiniSymposium, 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 PDEConstrained 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

