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Publication	Type	Year
Parapint: Rapid Development of Efficient and Scalable Decomposition Algorithms for Dynamic Optimization The 14th International Symposium on Process Systems Engineering (PSE 2021) Michael Lee Bynum, Carl Damon Laird, Bethany L. Nicholson, Denis Ridzal	Abstract – 2020 Abstract	2020
A Layer-Parallel Approach for Training Deep Neural Networks George Mason University - CMAI Colloquium Eric Christopher Cyr, Stefanie Guenther (LLNL), Lars (Emory) Ruthotto, Jacob B. Schroder (UNM), Nico R. Gauger (TU Kaiserslautern), Denis Ridzal https://www.osti.gov/search/identifier:1812174	Presentation (non-conference) – 2020 Presentation (non-conference)	2020
KKT Preconditioners for PDE-Constrained Optimization with the Helmholtz Equation SIAM Journal on Scientific Computing (SISC) Drew Philip Kouri, Denis Ridzal, Raymond S. Tuminaro https://www.osti.gov/search/identifier:1784959	Journal Article – 2020 Journal Article	2020
Fluid flow control devices with 3D-graded permeability 2020 American Institute of Chemical Engineers (AIChE) Annual Meeting David Robinson, Maher Salloum, Denis Ridzal, Drew Philip Kouri, David J. Saiz, Bradley Howell Jared	Abstract – 2020 Abstract	2020
Fluid Flow Control Devices with Graded Permeability 5th Cross-Joint (JOWOG) Meeting Maher Salloum, David Robinson, Denis Ridzal, Drew Philip Kouri, David J. Saiz, Bradley Howell Jared https://www.osti.gov/search/identifier:1761291	Display or Poster (non-conference) – 2020 Display or Poster (non-conference)	2020
Improved Neural Network Training: Layer-Parallelism, Least-squares and Initialization International Workshop On Scientific Machine Learning Eric Christopher Cyr, Mamikon Gulian, Ravi Ghanshyam Patel, Mauro Perego, Nathaniel Albert Trask, Denis Ridzal, Stefanie Guenther (LLNL), Lars Ruthotto (Emory), Jacob B. Schroder (UNM), Nico R. Gauger (TU Kaiserslautern) https://www.osti.gov/search/identifier:1643364	Conference Paper – 2019 Conference Paper	2019
Exploiting ?time-domain? parallelism to accelerate neural network training and PDE constrained optimization CIS External Review Eric Christopher Cyr, Denis Ridzal, Stefanie Guenther (LLNL), Lars Ruthotto (Emory), Jacob B. Schroder (UNM), Nico R. Gauger (TU Kaiserslautern) https://www.osti.gov/search/identifier:1807168	Display or Poster (non-conference) – 2019 Display or Poster (non-conference)	2019
Optimization-based, property-preserving finite element methods for scalar advection equations and their connection to Algebraic Flux Correction Comp. Meth. Application. Mech. Engrg. (CMAME) Pavel B. Bochev, Pavel B. Bochev, Denis Ridzal, Denis Ridzal, Marta D'Elia, Marta D'Elia, Mauro Perego, Mauro Perego, Kara J. Peterson, Kara J. Peterson https://www.osti.gov/search/identifier:1644056	Journal Article – 2019 Journal Article	2019
Adjoint-based Parallel-in-time Optimization for Electromagnetics: From Source Inversion to Design Nemo 2019 Denis Ridzal, Eric Christopher Cyr, Bart G van Bloemen Waanders https://www.osti.gov/search/identifier:1640205	Conference Paper – 2019 Conference Paper	2019
A Parallel-in-Time Multigrid Preconditioner for KKT Systems Arising in Full Space Optimization Copper Mountain Conference on Multigrid Methods Eric Christopher Cyr, Denis Ridzal https://www.osti.gov/search/identifier:1639544	Conference Paper – 2019 Conference Paper	2019
Scalable Optimization of Discrete-Time PDE Systems with Inequality Constraints Siam Cse 2019 Denis Ridzal https://www.osti.gov/search/identifier:1602616	Conference Paper – 2019 Conference Paper	2019
Optimization-based property-preserving methods 2019 ASCR PI meeting Pavel B. Bochev, Denis Ridzal, Kara J. Peterson, Paul Allen Kuberry, Marta D'Elia, Mauro Perego	Abstract – 2019 Abstract	2019
Tempus Time-Integration Package & Applications Trilinos User-Developer Group Meeting 2018 Curtis C. Ober, Roger P. Pawlowski, Sidafa Conde, Irina Kalashnikova Tezaur, Eric T. Phipps, Edward Geoffrey Phillips, Alejandro Mota, Greg Phlipot, Denis Ridzal, Michael Alan Hansen, Travis C. Fisher https://www.osti.gov/search/identifier:1593047	Conference Paper – 2018 Conference Paper	2018
Multigrid-in-time methods for optimization with nonlinear PDE/DAE constraints 23rd International Symposium on Mathematical Programming Denis Ridzal, Eric Christopher Cyr https://www.osti.gov/search/identifier:1531095	Conference Paper – 2018 Conference Paper	2018
Optimization-based property-preserving solution recovery for fault-tolerant scalar transport 6th European Conference on Computational Mechanics (ECCM 6) Denis Ridzal, Pavel B. Bochev https://www.osti.gov/search/identifier:1525952	Conference Paper – 2018 Conference Paper	2018
Optimization-based, property preserving finite element methods for transport equations 6th European Conference on Computational Mechanics 7th European Conference on Computational Fluid Dynamics 11-15 June 2018, Glasgow, UK Pavel B. Bochev, Mauro Perego, Marta D'Elia, Denis Ridzal, Kara J. Peterson https://www.osti.gov/search/identifier:1525706	Conference Paper – 2018 Conference Paper	2018
Scalable Algorithms and Software for PDE-Constrained Optimization Under Uncertainty SIAM Conference on Uncertainty Quantification 2018 Denis Ridzal, Drew Philip Kouri https://www.osti.gov/search/identifier:1508919	Conference Paper – 2018 Conference Paper	2018
A group theory approach to tailored optical properties of metamaterials DARPA/DSO EXTREME 12-Month PI Meeting Ihab Fathy El-Kady, Charles M. Reinke, Bart G van Bloemen Waanders, Denis Ridzal, Mehmet (Stellar Science) Su, David (Stellar Science) Fitzpatrick, Ryan (Stellar Science) Chilton https://www.osti.gov/search/identifier:1525575	Display or Poster (non-conference) – 2018 Display or Poster (non-conference)	2018
MIRaGE Multiscale Inverse Rapid Group-theory for Engineered-metamaterials DARPA/DSO EXTREME 12-Month PI Meeting Ihab Fathy El-Kady, Charles M. Reinke, Bart G van Bloemen Waanders, Denis Ridzal, Mehmet (Stellar Science) Su, David (Stellar Science) Fitzpatrick, Ryan (Stellar Science) Chilton https://www.osti.gov/search/identifier:1525574	Display or Poster (non-conference) – 2018 Display or Poster (non-conference)	2018
FEMLITE: Rapid Electromagnetic Modeling of Periodic Metamaterial Structures DARPA/DSO EXTREME 12-Month PI Meeting Charles M. Reinke, Ihab Fathy El-Kady, Charles M. Reinke, Bart G van Bloemen Waanders, Denis Ridzal, Mehmet (Stellar Science) Su, David (Stellar Science) Fitzpatrick, Ryan (Stellar Science) Chilton https://www.osti.gov/search/identifier:1575339	Display or Poster (non-conference) – 2018 Display or Poster (non-conference)	2018
COMPUTATIONAL TOOLS FOR FREE-FORM OPTIMIZATION OF LARGE-SCALE EnMat STRUCTURES DARPA/DSO EXTREME 12-Month PI Meeting Ihab Fathy El-Kady, Charles M. Reinke, Bart G van Bloemen Waanders, Denis Ridzal, Mehmet (Stellar Science) Su, David (Stellar Science) Fitzpatrick, Ryan (Stellar Science) Chilton https://www.osti.gov/search/identifier:1525573	Display or Poster (non-conference) – 2018 Display or Poster (non-conference)	2018
COMPUTATIONAL TOOLS FOR FREE-FORM OPTIMIZATION OF LARGE-SCALE EnMat STRUCTURES DARPA-EXTREME Program PI Meeting Denis Ridzal https://www.osti.gov/search/identifier:1510167	Display or Poster (non-conference) – 2018 Display or Poster (non-conference)	2018
SNL ATDM Math Libraries ? Data Propagation Components 2018 ECP Annual Meeting Eric T. Phipps, Daniel Z. Turner, Kathryn Anne Maupin, Jaideep Ray, Denis Ridzal https://www.osti.gov/search/identifier:1806499	Display or Poster (non-conference) – 2018 Display or Poster (non-conference)	2018
Inexact Trust-Region Methods for PDE-Constrained Optimization Frontiers in PDE-constrained Optimization Drew Philip Kouri, Denis Ridzal https://www.osti.gov/search/identifier:1434233	Book – 2018 Book	2018
LDRD Report: Topological Design Optimization of Convolutes in Next Generation Pulsed Power Devices Eric Christopher Cyr, Gregory John von Winckel, Drew Philip Kouri, Thomas Anthony Gardiner, Denis Ridzal, John N. Shadid, Sean Miller https://www.osti.gov/search/identifier:1413648	SAND Report – 2017 SAND Report	2017
Document Title	Type	Year

Results 26–50 of 112

Publications

Parapint: Rapid Development of Efficient and Scalable Decomposition Algorithms for Dynamic Optimization

A Layer-Parallel Approach for Training Deep Neural Networks

KKT Preconditioners for PDE-Constrained Optimization with the Helmholtz Equation

Fluid flow control devices with 3D-graded permeability

Fluid Flow Control Devices with Graded Permeability

Improved Neural Network Training: Layer-Parallelism, Least-squares and Initialization

Exploiting ?time-domain? parallelism to accelerate neural network training and PDE constrained optimization

Optimization-based, property-preserving finite element methods for scalar advection equations and their connection to Algebraic Flux Correction

Adjoint-based Parallel-in-time Optimization for Electromagnetics: From Source Inversion to Design

A Parallel-in-Time Multigrid Preconditioner for KKT Systems Arising in Full Space Optimization

Scalable Optimization of Discrete-Time PDE Systems with Inequality Constraints

Optimization-based property-preserving methods

Tempus Time-Integration Package & Applications

Multigrid-in-time methods for optimization with nonlinear PDE/DAE constraints

Optimization-based property-preserving solution recovery for fault-tolerant scalar transport

Optimization-based, property preserving finite element methods for transport equations

Scalable Algorithms and Software for PDE-Constrained Optimization Under Uncertainty

A group theory approach to tailored optical properties of metamaterials

MIRaGE Multiscale Inverse Rapid Group-theory for Engineered-metamaterials

FEMLITE: Rapid Electromagnetic Modeling of Periodic Metamaterial Structures

COMPUTATIONAL TOOLS FOR FREE-FORM OPTIMIZATION OF LARGE-SCALE EnMat STRUCTURES

COMPUTATIONAL TOOLS FOR FREE-FORM OPTIMIZATION OF LARGE-SCALE EnMat STRUCTURES

SNL ATDM Math Libraries ? Data Propagation Components

Inexact Trust-Region Methods for PDE-Constrained Optimization

LDRD Report: Topological Design Optimization of Convolutes in Next Generation Pulsed Power Devices