Recent Presentations

2025:

• A. Almgren, "Advances in Adaptive Mesh Refinement Algorithms and Software," invited plenary, 18th U.S. National Congress on Computational Mechanics, July 24, 2025.

• T. Kolev, “High-Order Finite Elements for Exascale Applications,” invited plenary for The 15th International Conference on Spectral and High Order Methods, Montreal, Canada, July 16, 2025.

• U. M. Yang, “Scaling Up: A Career in High Performance Computing”, invited plenary, CINI HPC Summer School, June 16-20, 2025, Naples, Italy.

• W. Mitchell, “Hypre: High-Performance Preconditioners and Solvers,” SIAM Annual Meeting, Montreal, Canada, July 30, 2025.

• W. Zhang, A. Myers, A. S. Almgren, J. B. Bell, A. Huebl, “AMReX: Software Framework for Structured Mesh Applications,” SIAM Annual Meeting, Montreal, Canada, July 30, 2025.​

• Y. Lui, “New Capabilities of the Linear Solver Packages at Lawrence Berkeley National Laboratory,” SIAM Annual Meeting, Montreal, Canada, July 2025.​

• I. Yamazaki, A. Heinlein, S. Rajamanickam, “FroSCH, a Domain Decomposition Library in Trilinos,” SIAM Annual Meeting, Montreal, Canada, July 2025.​

• D. Nath, A. Castillo-Crooke, M. Shephard, A. Turner, D. Sulsky, O. Sahni, “Accelerator/GPU Support for Seaice Simulations in MPAS Framework within Energy Exascale Earth System Model (E3SM),“18th U.S. National Congress on Computational Mechanics, Chicago, IL, July 2025.

• O. Sahni, V. Vittal-Srinivasaragavan, D. Nath, M. Shephard, M. Fazlul Huq, D. Curreli, T. Younkin, “GPU-accelerated Multiscale Particle-based Transport Simulations with Billions of Particles ,” 18th U.S. National Congress on Computational Mechanics, Chicago, IL, July 2025.

• A. Paudel, E. Green, J. Schwartz, C. Smith, J. Merson, “Advancing field transfer operations in the Parallel Coupler for Multimodel Simulations (PCMS) software,” 18th U.S. National Congress on Computational Mechanics, Chicago, IL, July 2025.

• M. F. H. Hasan, P. Romano, P. Shriwise, A. Y. Joshi, M. Churchill. H. Belanger, C. Smith, M. S. Shephard, J. Merson, “GPU enabled unstructured mesh tallies for fusion neutron transport simulations ,” 18th U.S. National Congress on Computational Mechanics, Chicago, IL, July 2025.

• M. S. Shephard, J. Merson, O. Sahni, C.W. Smith, D.D. Nath, U. Riaz, F. Hasan, A. Castillo, A. Joshi, M.W. Beall, O. Klaas, R. Nastasia, S. Tendulkar, “Advances in FASTMath Unstructured Mesh Components in Support of DOE Fusion Simulation Codes,” SIAM Annual Meeting, Montreal, Canada, July 30, 2025.

• J. S. Merson, A. Paudel, F. Hasan, S. M. Elahi, A. Castillo-Crooke, C. W. Smith, M. S. Shephard , “Enabling High-Performance Coupled Multiphysics Fusion Simulations with the Parallel Coupler for Multi-Model Simulations (pcms),” SIAM Annual Meeting, Montreal, Canada, July 30, 2025.

• C. S. Woodward, “High Performance Computing Applications with the SUNDIALS Library of Time Integrators,” SIAM Annual Meeting, Montreal, Canada, July 30, 2025.

• C. S. Woodward, “New Features and Applications in the SUNDIALS Library”, invited presentation to the ICERM Workshop on Innovative and Efficient Strategies for Stiff Differential Equations, Providence, RI, July 24, 2025.

• C. Yang, “Optimal Tensor Network Disentanglement via Manifold Optimization”, presentation given at the 2025 International Conference On Continuous Optimization, University of Southern California, Los Angles, CA, July 20, 2025.

• Y. Marzouk, “Mean-shift interacting particle systems for optimal quantization and beyond,” Isaac Newton Institute, workshop on "Accelerating statistical inference and experimental design with machine learning,” June 2025, Cambridge, UK. Invited plenary. 

• Y. Marzouk, “Probabilistic approaches to inverse problems: challenges and opportunities.” DOE ASCR Inverse Methods workshop. June 2025, Rockville, MD. Invited plenary. 

• Wajih Boukaram , Yang Liu,  Pieter Ghysels, Xiaoye Sherry Li, “Adaptive sketching based construction of H2 matrices on GPUs”, IPDPS / PDSEC workshop paper (Best Paper Award).  The 26th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing (PDSEC 2025),  June 3, 2025, Milan, Italy.

• D.R. Reynolds, “Flexible Time Integration Methods for Multiphysics PDE Systems”, Vietnam Institute for Advanced Studies in Mathematics, Invited talk to Workshop on Advanced Numerical Methods for Deterministic and Stochastic Differential Equations, Hanoi, Vietnam, June 13, 2025. 

• R. Archibald, "Federated AI/ML for Experimental Light Source and Neutron Data, AUREIS mini-workshop for Intelligent Sensing," SLAC, Menlo Park, CA, June 27, 2025.

• Cosmin Safta, “Stochastic Neural Models for Material Models with Uncertainty”, presented at UNCECOMP 2025, Rhodes, Greece, June 15-18 2025. 

• Jacob S. Merson, Fuad Hasan, Aditya Y. Joshi, Cameron W. Smith, Mark S. Shephard, Paul K. Romano, Patrick C. Shriwise, George J. Wilkie, and R. Michael Churchill. GPU Acceleration of Unstructured Mesh Based Tallies (and Transport) in OpenMC. OpenMC Application to Tokamak, Neutronics Analysis Meeting (Argonne National Laboratory), May 28, 2025. 

• Y. Marzouk, "Sampling and generative modeling using dynamical representations of transport.” Northwestern University IEMS seminar. May 2025. Evanston, IL. 

• A. Nonaka, P. Kumar, J. LePelch, Y. Tang, J. Munoz, C. Fernandez, C. Diaz, D. Gardner, Z. Yao, "MagneX: A High-Performance, GPU-Enabled, Data-Driven Micromagnetics Solver for Spintronic Systems, " oral presentation at the APS Global Physics Summit, Anaheim, CA, March 18, 2025.