| 7:30-8:30am |
Breakfast Buffet [Copper Conference Center] |
| Session 1 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | AMG, Part 1 |
Inverse Problems, Part 1 |
Hybrid Direct/Iterative |
| Chair | Steve McCormick |
Brett Bader |
Badr Alkahtani |
| 8:00am |
Appelhans, David
"Multi-level Range Decomposition for Massively Parallel Machines" |
Bader, Brett
"Inverse Problems for Shallow Water Bathymetry from Multispectral Imagery" |
Alkahtani, Badr
"Iterative Method (GMRES) vs Direct Solver for Solving Navier-Stokes Equations" |
| 8:25am |
Bienz, Amanda
"Scalability of Non-Galerkin Parallel Algebraic Multigrid " |
Bakhos, Tania
"Fast Krylov Solvers for Parabolic PDE-based Inverse Problems" |
Shen, Jie
"Fast Structured Direct Spectral Methods for Differential Equations with Variable Coefficients" |
| 8:50am |
Open |
Open |
Choi, Sou-Cheng
"Generalized Minimal Residual Methods for Singular Linear Systems or Linear Least-Squares Problems" |
| 9:15am |
Coffee and Tea Service |
| Session 2 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | Architectures |
Optimization, Part 1 |
Coupled Problems, Part 1 |
| Chair | Kirk Jordan |
Paul Tsuji |
Andrei Draganescu |
| 9:45am |
Gahvari, Hormozd
"Tying Iterative Solvers to Performance Models: Experiences with Algebraic Multigrid " |
Leyffer, Sven
"Optimization Problems in Phase Retrieval" |
Draganescu, Andrei
"Optimal-order Multigrid Preconditioners for Linear Systems arising in the Semi-smooth Newton Solution of Certain PDE-constrained Optimization Problems" |
| 10:10am |
Naumov, Maxim
"AmgX: Algebraic Multigrid and Preconditioned Iterative Methods on GPUs " |
Tsuji, Paul
"PDE-Constrained Optimization and KKT Preconditioners for Nonsymmetric Indefinite Problems " |
Brennan, Brian
"Block Preconditioners for a Coupled Pressure-Temperature Model of Trace Gas Sensors" |
| 10:35am |
Yang, Ulrike
"Experiences with Algebraic Multigrid on Blue Gene/Q" |
Ulbrich, Michael
"A Semismooth Newton-CG Method for Constrained Parameter Identification in Seismic Tomography" |
Debreu, Laurent
"Multigrid Solvers and Multigrid Preconditioners for the Solution of Variational Data Assimilation Problems " |
| 11:00am |
Open |
Ulbrich, Stefan
"Multilevel Methods for PDE-Constrained Optimization Based on Adaptive Discretizations and Reduced Order Models" |
He, Xiaoming
"A Multi-physics Domain Decomposition Method of the Steady-state Navier-Stokes-Darcy Model with Beavers-Joseph Condition" |
| 11:25am |
Open |
Open |
Ho, Nguyenho
"Accelerated Uzawa Iteration for the Stokes Equations " |
| 11:50pm |
Lunch Break |
| 4:00pm |
Coffee and Tea Service |
| Session 3 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | AMG, Part 2 |
Helmholtz |
Applications/Quantum Chemsitry |
| Chair | Luke Olson |
Ray Tuminaro |
Andrew Canning |
| 4:30pm |
Chen, Meng-Huo
"Analysis of an Aggregation-Based Algebraic Two-Grid Method for a Rotated Anisotropic Diffusion Problem " |
Lahaye, Domenico
"Improving the Shifted Laplacian Preconditioner for the Helmholtz Equation by Multilevel Deflation" |
Canning, Andrew
"A Hybrid OpenMP/MPI Conjugate Gradient Iterative Eigensolver for First-Principles Plane Wave Electronic Structure Codes " |
| 4:55pm |
Olson, Luke
"Using a Root-Node Based Approach to Algebraic Multigrid" |
Tuminaro, Ray
"Augmented AMG-Shifted Laplacian Preconditioners for Indefinite Helmholtz Problems" |
Anton, Lucian
"Comparing Parallel Performance for a Geometric Multigrid Solver Using Hybrid Parallelism, MPI Shared Memory and Multiple GPUs" |
| 5:20pm |
Wang, Lu
"Parallel Auxilliary Grid AMG Method for GPU" |
Open |
Nance, James
"Following Molecular Reaction Paths with Sparse Interpolatory Surrogate Models" |
| 5:45pm |
Open |
Open |
Osei-Kuffuor, Daniel
"An Accurate and Scalable O(N) Algorithm for Large-Scale First-Principles Molecular Dynamics Computations" |
| 6:10pm |
Dinner Break |
| 7:30-8:30am |
Breakfast Buffet [Copper Conference Center] |
| Session 4 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | Optimization, Part 2 |
Applications/MHD |
UQ/Stochastic PDEs |
| Chair | Sven Leyffer |
James Adler |
Mahadevan Ganesh |
| 8:00am |
Kelley, Tim
"Derivative-Free Optimization of Functions with embedded Monte Carlo Simulations" |
Benson, Thomas
"Robust Multigrid Methods for Magnetohydrodynamics" |
Osborn, Sarah
"Preconditioning Techniques for Stochastic Galerkin Discretizations of PDEs with Random Data" |
| 8:25am |
Kouri, Drew
"Inexactness in Trust-Region Algorithms with Applications to Adaptive Refinement" |
Moulton, David
"Exploring Parallelization and Performance of a Particle in Cell Method on Curvilinear Grids" |
Fregosi, Anna
"Uncertainty Quantification for Heat Transport in the Shallow Subsurface" |
| 8:50am |
Lieb, Anna
"Optimization of Intermittent Water Supply" |
Sturdevant, Benjamin
"Iterative Methods for an Implicit - Hybrid Kinetic Plasma Model" |
Ganesh, Mahadevan
"Uncertainty Quantification Algorithms for Multiple Component Wave Propagation Configurations" |
| 9:15am |
Coffee and Tea Service |
| Session 5 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | Time Integration |
Inverse Problems, Part 2 |
Multiphysics, Part 1 |
| Chair | Tim Kelley |
Misha Kilmer |
Howard Elman |
| 9:45am |
Chaudhry, Jehanzeb
"Multi-level Parallel Time Integration" |
Berisha, Sebastian
"Constrained Iterative Solver for Deblurring and Sparse Unmixing of Hyperspectral Images" |
Cyr, Eric
"A New Split Preconditioner for 3D Magnetohydrodynamics" |
| 10:10am |
Minion, Michael
"Interweaving PFASST and Parallel Multigrid" |
Chung, Julianne
"Computing Optimal Low-Rank Regularized Inverse Matrices for Inverse Problems" |
Chen, Guangye
"An Energy- and Charge-conserving, Fully Implicit, Eletromagnetic Particle-in-cell Algorithm" |
| 10:35am |
Alyoubi, Ahmad
"Parallel Algorithms for a Class of Space-Time Evolutionary Models" |
Kilmer, Misha
"An Adaptive Inner-outer Iterative Regularization Method for Edge Recovery" |
Cai, Xiao-Chuan
"An Implicit Domain Decomposition Algorithm for the Discrete-Velocity BGK model of the Boltzmann equation" |
| 11:00am |
Brown, Jed
"Fast Solvers for Implicit Runge-Kutta" |
Saibaba, Arvind
"Fast Algorithms for Hyperspectral Diffuse Optical Tomography" |
Elman, Howard
"Block Preconditioners for the Stationary MHD Equations in Exact Penalty Formulation" |
| 11:25am |
Friedhoff, Stephanie
"Parallel Time Integration with Multigrid for Parabolic Problems" |
Open |
Evans, Katherine
"Implicit Time Stepping Methods Applied Within the Community Atmosphere Model" |
| 11:50am |
Lunch Break |
| 4:00pm |
Coffee and Tea Service |
| Session 6 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | Least Squares/Discretization |
Eigensolvers |
Multiphysics, Part 2 |
| Chair | Tom Manteuffel |
Chrisophe Calvin |
Chris Newman |
| 4:30pm |
Adler, James
"A Non-Symmetric Least-Squares Finite-Element Method for Singularly Perturbed Reaction-Diffusion" |
Calvin, Christophe
"Toward Smart Tuning on Restarting Strategies for the ERAM Solver" |
Newman, Chris
"Implicit/explicit Method for the Free-surface Ocean Equations" |
| 4:55pm |
Allen, Jeffery
"New FOSLS Formulation of Nonlinear Stokes Flow for Glaciers" |
Vecharynski, Eugene
"Preconditioned Eigenvalue Computations for non-Hermitian Matrices" |
Lemieux, Jean-Francois
"A Second-Order Accurate in Time IMplicit-EXplicit (IMEX) Integration Scheme for Sea Ice Dynamics" |
| 5:20pm |
Bertrand, Fleurianne
"First-Order System Least Squares on Curved Boundaries" |
Xia, Jianlin
"Fast and Superfast Eigensolvers for Structured Matrices" |
Leibs, Chris
"Preconditioning a Two-fluid Electromagnetic Model Using Physics-Based Preconditioning and First-Order System Least Squares" |
| 5:45pm |
Munzenmaier, Steffen
"A Least Squares Finite Element Method for Coupled Surface/Groundwater Flows" |
Open |
Park, HyeongKae
"Efficient, Three Temperature, Thermal Radiative Transfer Solutions via a Moment-Based, Scale-Bridging Algorithm" |
| 6:10pm |
Dinner Break |
| 7:30-8:30am |
Breakfast Buffet [Copper Conference Center] |
| Session 7 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | Krylov Accelerators, Part 1 |
Optimization, Part 3 |
Applications/Misc. |
| Chair | Roger Sidje |
Eldad Haber |
Deena Giffen |
| 8:00am |
Sidje, Roger
"Simultaneous Tridiagonalization of Two Large Sparse Symmetric Matrices with a Three-Term Recurrence" |
Haber, Eldad
"On Large Scale Inverse Problems that Cannot be Solved" |
Giffen, Deena
"Simulating Non-Dilute Transport in Porous Media Using a TCAT-Based Model" |
| 8:25am |
de Sturler, Eric
"Computing Preconditioners for Parameterized Matrices" |
Martins, Joaquim
"Large-Scale Multidisciplinary Design Optimization of Aerospace Systems " |
Quaife, Bryan
"Spectral Deferred Correction Methods for Vesicle Suspensions" |
| 8:50am |
Szyld, Daniel
"Classical Iterative Methods for the Solution of Generalized Lyapunov Equations" |
Sachs, Ekkehard
"Reduced Order models in PDE-Constrained Optimization " |
Hengbin, An
"Parallel Solution for Multi-Group Radiation Transfer Equations" |
| 9:15am |
Coffee and Tea Service |
| Session 8 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | AMG, Part 3 |
Domain Decomposition |
Nonlinear Solvers |
| Chair | Andrey Prokopenko |
Mark Adams |
Carol Woodward |
| 9:45am |
Prokopenko, Andrey
"Improving Parallel Performance of Coarse Grids in an Algebraic Multigrid" |
Adams, Mark
"Memory Movement Minimizing Multigrid Techniques; Segmental Refinement Revisited" |
Dogan, Gunay
"A Fast Algorithm to Compute the Shape Dissimilarity of Elastic Curves" |
| 10:10am |
Falgout, Rob
"Theoretical Advances Regarding Non-Galerkin Coarse-Grid Operators for Algebraic Multigrid" |
Deng, Xiaomao
"Parallel Space-time Domain Decomposition Methods for Inverse Source Identification Problems" |
Muller, Benjamin
"Mixed Least Squares Finite Element Methods for Geometrically Nonlinear Hyperelasticity" |
| 10:35am |
Siefert, Christopher
"Local Smoothers for CDFEM with Sub-Element Discontinuities" |
Ong, Ben
"Pipeline Schwarz Waveform Relaxation" |
Toth, Alexander
"Local Convergence Analysis for Anderson Acceleration" |
| 11:00am |
Villa, Umberto
"AMG Solvers for Upscaled Mixed Finite Element Discretizations" |
Kong, Fande
"A Multilevel Domain Decomposition Method with a Boundary Geometry Preserving Coarse Space for Elasticity Equation" |
Woodward, Carol
"Nonlinear Solvers for Dislocation Dynamics" |
| 11:25am |
Wobbes, Elizaveta
"On the Use of AMG in Reservoir Simulations" |
Lazarov, Boyan
"Contrast Independent Domain Decomposition Preconditioners for Topology Optimization Under Manufacturing Uncertainties" |
Open |
| 11:50pm |
Lunch Break |
| 4:00pm |
Coffee and Tea Service |
| Session 9 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | Large Graphs/Markov Chains |
Applications/Matrix Computations |
Multiphysics, Part 3 |
| Chair | Michele Benzi |
Minghao Rostami |
John Shadid |
| 4:30pm |
Dalton, Steven
"Graph Partitioning on the GPU" |
Lowery, Bradley
"Stability Analysis of QR Factorization in an Oblique Inner Product" |
Phillips, Edward
"Block Preconditioners for Fully Coupled MHD with Lagrange Multipliers" |
| 4:55pm |
Deweese, Kevin
"Preconditioning Linear Systems Arising from Graph Laplacians of Complex Networks" |
Petiton, Serge
"Parallel Algorithms for Arbitrary Size Sparse and Dense Matrices with Imposed Spectrum" |
Shadid, John
"An Implicit Stabilized FE Solver for 3D Resistive MHD with Integrated Adjoint Capability" |
| 5:20pm |
Jones, Tobias
"Aggressive Pruning in Linear- and Eigen-solvers for Graph Mining Problems" |
Rostami, Minghao
"Lyapunov Inverse Iteration for Computing Pseudospectral Abscissa" |
Taitano, William
"Moment-Based Acceleration for a Collisional Kinetic Plasma Model" |
| 5:45pm |
Henson, Van Emden
"Community Detection in Graphs Based on a Multilevel Bipartite Matching " |
Mitchell, Tim
"Fast Approximation of the H-infinity Norm via Hybrid Expansion-Contraction using Spectral Value Sets" |
Willert, Jeffrey
"Improved Time-step Solutions for the TRT HOLO Algorithm" |
| 6:10pm |
Dinner Break |
| 7:30-8:30am |
Breakfast Buffet [Copper Conference Center] |
| Session 10 |
| Room | Bighorn B |
Bighorn C/1 |
| Topic | Krylov Accelerators, Part 2 |
Stochastic Solvers/Neutronics |
| Chair | Fei Xue |
Steven Hamilton |
| 8:00am |
Wu, Lingfei
"Enhancing the PRIMME Eigensolver for Computing Accurately Singular Triplets of Large Matrices" |
Hamilton, Steven
"Monte Carlo Synthetic Acceleration as Approximate Polynomial Preconditioning" |
| 8:25am |
Xue, Fei
"Preconditioned Eigensolvers for Large-Scale Nonlinear Hermitian Eigenproblems" |
Slattery, Stuart
"Multilevel Monte Carlo Solvers for Linear Systems" |
| 8:50am |
Barker, Andrew
"Parallel Preconditioning for all-at-once Solution of Time-Dependent PDE-Constrained Optimization Problems" |
Norton, Richard
"Langevin and Hamiltonian Proposals are Matrix Splittings" |
| 9:15am |
Di Napoli, Edoardo
"An Optimized and Scalable Iterative Eigensolver for Sequences of Dense Eigenvalue Problems" |
Ketelsen, Christian
"Least-Squares Finite-Element Discretization of the Neutron Transport Equation in Spherical Geometry" |
| 9:40am |
Coffee and Tea Service |
| Session 11 |
| Room | Bighorn B |
Bighorn C/1 |
Bighorn C/2 |
| Topic | Resilient Solvers |
Coupled Problems, Part 2 |
Applications/Waves |
| Chair | James Elliott |
Roger Pawlowski |
Benjamin Cowan |
| 10:10am |
Calhoun, Jon
"Towards a More Fault Resilient Multigrid Solver" |
Dillon, Geoffrey
"Block Preconditioners for Biot's Equations" |
Cowan, Benjamin
"Application of Multigrid Techniques to Electromagnetic Systems" |
| 10:35am |
Elliott, James
"Making Numerical Algorithms Tolerate Silent Data Corruption" |
Pawlowski, Roger
"An Assessment of Coupling Algorithms for Parallel Coupled Neutronic and Thermal-Hydraulic Simulations" |
Emerson, David
"Energy Minimization for Liquid Crystal Equilibrium Configurations with Applied Electric Fields" |
| 11:00am |
Li, Xiaoye
"Design of Fault Tolerant Algorithms for Low Rank Factorization Preconditioners" |
Morgenstern, Charles
"Coupled Computer Models for Wave Propagation in Heterogeneous Media" |
Lago, Rafael
"CRMN Method for Solving Time-Harmonic Wave Equation" |
| 11:25am |
Sao, Piyush
"Self-stabilizing Iterative Solvers" |
Open |
Lecouvez, Matthieu
"Optimized Transmission Conditions for Domain Decomposition Methods for the Helmholtz Equation" |
| 11:50am |
Open |
Open |
Lim, Hyun
"A Numerical Implementation of the Space-Time Finite Element Approach for the Semilinear Wave Equation" |
| 12:15pm |
Lunch Break |
| 3:45pm |
Coffee and Tea Service |
| Session 12 |
| Room | Bighorn B |
| Topic | Student Paper Winners |
| Chair | Michele Benzi and Ray Tuminaro |
| 4:15pm |
Bosch, Jessica
"Preconditioning for Vector-Valued Cahn-Hilliard Equations" |
| 4:45pm |
Gaaf, Sarah
"Probabilistic Bounds for the Matrix Condition Number with Extended Lanczos Bidiagonalization" |
| 5:15pm |
Ladenheim, Scott
"Indefinite Preconditioning of the Coupled Stokes-Darcy System" |
| 5:45pm |
Winlaw, Manda
"A Nonlinearly Preconditioned Conjugate Gradient Algorithm for Rank-R Canonical Tensor Approximation" |
| 6:15pm |
Break |
| 6:30-7:00pm |
Cash bar and Dinner Banquet at Copper Conference Center |
| 7:00-9:30pm |
Copper Conference Center |