Tzanio Kolev

@tzanio.bsky.social

Computational mathematician working on efficient finite element #meshing, #discretization and #solver algorithms for #HPC applications at #LLNL. Project lead of ๐— ๐—™๐—˜๐—  (mfem.org). Former director of ๐—–๐—˜๐—˜๐—— (ceed.exascaleproject.org).

๐Ÿ“… The next talk in our ๐—™๐—˜๐— @๐—Ÿ๐—Ÿ๐—ก๐—Ÿ seminar series will be on Monday (Nov 9), at 9:00am PST ๐ŸŒŸ Dr. Will Pazner from Portland State University will present: "Matrix-Free Preconditioners for High-Order Finite Elements on Triangles via the Duffy de Rham Complex" ๐Ÿ‘‰ Sign up + learn more at mfem.org/seminar

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๐Ÿ“… The next talk in our ๐—™๐—˜๐— @๐—Ÿ๐—Ÿ๐—ก๐—Ÿ seminar series will be next Tuesday (Oct 20), at 9:00am PST ๐ŸŒŸ Dr. Dylan Copeland from @Livermore_Lab will present: "Conforming NURBS meshes with non-conforming patch topology" ๐Ÿ‘‰ Sign up and learn more at mfem.org/seminar

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๐Ÿ† Announcing the winners of the 2026 MFEM Workshop Visualization Contest! ๐Ÿ–ผ๏ธ Best simulation image: ๐—š๐—ฟรฉ๐—ด๐—ผ๐—ฟ๐˜† ๐—Ÿ๐—ฒ๐—ด๐—ฟ๐—ฎ๐—ถ๐—ป for "High-order fictitious domain thermal computation on a scan-based geometry" ๐Ÿ‘‰ More details and images at mfem.org/gallery ๐Ÿ‘‰ All 2026 submissions: youtu.be/zptZrXhxJEU #MFEM26

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๐Ÿ† Announcing the winners of the 2026 MFEM Workshop Visualization Contest! ๐Ÿ“บ Best simulation video: ๐—›๐—ฒ๐—ป๐—ฟ๐—ถ๐—พ๐˜‚๐—ฒ ๐—•๐—ฒ๐—ฟ๐—ด๐—ฎ๐—น๐—น๐—ผ ๐—ฅ๐—ผ๐—ฐ๐—ต๐—ฎ for "Plasma temperature and vorticity in a linear plasma device" ๐Ÿ‘‰ More details and images at mfem.org/gallery ๐Ÿ‘‰ All 2026 submissions: youtu.be/zptZrXhxJEU #MFEM26

We are truly honored to receive 2026 Directorโ€™s Science and Technology Award for MFEM at LLNL ๐ŸŽ‰ Working with this wonderful team has been an absolute highlight of my career ๐Ÿ™ Thank you to all developers, collaborators and application teams that helped make MFEM what it is today! ๐Ÿš€ #TeamMFEM #LLNL

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๐Ÿ“… The next talk in our ๐—™๐—˜๐— @๐—Ÿ๐—Ÿ๐—ก๐—Ÿ seminar series will be next Tuesday (Sep 15), at 9:00am PDT ๐ŸŒŸ Dr. Ben Southworth from @LosAlamosNatLab will present: "BRoken-Space Additive Schwarz (BRAS) for Mass Matrix Preconditioning" ๐Ÿ‘‰ Sign up at mfem.org/seminar

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Some stats for last week's ๐—บ๐—ณ๐—ฒ๐—บ-๐Ÿฐ.๐Ÿญ๐Ÿฌ release: โ€ฃ months in development = 9 โ€ฃ number of contributors = 48 โ€ฃ new lines of code = 47,652 โ€ฃ PRs merged = 190 โ€ฃ number of commits = 2,529 โ€ฃ issues closed = 59 โ€ฃ 100% @opensource ๐ŸŒŸ Star + Download: github.com/mfem/mfem

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๐ŸŒŸ MFEM 4.10 is out! โœ“ expanded GPU PA support, including triangles/tets โœ“ nonuniform anisotropic quad/hex refinement โœ“ cuDSS + distributed Ginkgo solvers โœ“ positive-weight simplex quadratures โœ“ GridFunction extrema estimates โœ“ 7 new examples + electrostatic PIC miniapp โœ“ much more! Visit mfem.org

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๐Ÿ—“๏ธ Registration deadline for the 2026 MFEM Community Workshop is only 4 weeks away! ๐Ÿ‘‰ Sign up by Sep 11th: forms.gle/5sqBL3p7ReDT... ๐Ÿง‘โ€๐Ÿซ We welcome talks from the community ๐Ÿ–ผ Visualization contest winners get an MFEM t-shirt ๐Ÿง‘โ€๐ŸŽ“ Students register at 50% off + present in dedicated session

MFEM Community Workshop 2026

September 22-25, 2026, Georgia Tech + Virtual https://mfem.org/workshop As you make travel plans, please note that the first day of the workshop (September 22) will be reserved for a hands-on MFEM tu...

forms.gle

๐Ÿ“… The next talk in our ๐—™๐—˜๐— @๐—Ÿ๐—Ÿ๐—ก๐—Ÿ seminar series will be tomorrow, June 9, 9:00-10:30am PST! ๐ŸŒŸ Dr. Xevi Roca from @bsc-cns.bsky.social will present: "Enabling high-fidelity aeronautic simulations with high-order methods: geometry, numerics, and physics" ๐Ÿ‘‰ Sign up + Learn more at mfem.org/seminar

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๐Ÿ“… The next talk in our ๐—™๐—˜๐— @๐—Ÿ๐—Ÿ๐—ก๐—Ÿ seminar series will be next Tuesday, May 5, 9:00-10:30am PST. ๐ŸŒŸ Dr. Brendan Keith from @brown.edu will present: "Proximal Galerkin: A Unified Framework for Variational Problems with Inequality Constraints". ๐Ÿ‘‰ Sign up + Learn more at mfem.org/seminar. #FEM@LLNL

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๐Ÿ“… The next talk in our ๐—™๐—˜๐— @๐—Ÿ๐—Ÿ๐—ก๐—Ÿ seminar will be on Tuesday, March 10, 9-10:30am PDT. ๐ŸŒŸ Dr. Ido Akkerman from Delft university of Technology will present: "NURBS-Based Isogeometric Analysis: Past, Present, and Future". ๐Ÿ‘‰ Sign up and Learn more at: mfem.org/seminar.

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๐ŸŒŸ GLVis 4.5 released with many new features: โœ“ complex data visualization โœ“ color palettes enhancements โœ“ visualization of finite element DOF locations โœ“ new headless mode based on EGL/CGL โœ“ code refactoring and glvis-js improvements Learn more at glvis.org Try the web version glvis.org/live

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๐Ÿ“… The next talk in our ๐—™๐—˜๐— @๐—Ÿ๐—Ÿ๐—ก๐—Ÿ seminar series will be next Tuesday (Jan 20), 9:30-11:00am PDT. ๐ŸŒŸ Dr. Jay Gopalakrishnan from @Portland_State will present: "Matrix-valued finite elements". ๐Ÿ‘‰ Sign up + Learn more at: mfem.org/seminar.

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Some stats for last week's ๐—บ๐—ณ๐—ฒ๐—บ-๐Ÿฐ.๐Ÿต release: โ€ฃ months in development = 8 โ€ฃ number of contributors = 38 โ€ฃ new lines of code = 55,423 โ€ฃ PRs merged = 247 โ€ฃ number of commits = 2456 โ€ฃ issues closed = 131 โ€ฃ 100% @opensource ๐ŸŒŸ Star + Download: github.com/mfem/mfem

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๐ŸŒŸ MFEM 4.9 released with many new features: โœ“ โˆ‚FEM interface for differentiable simulations โœ“ initial support for particle methods โœ“ AMGF solver + miniapp for contact problems โœ“ improved GPU kernels, TMOP, NURBS, AMR โœ“ 10 new examples and miniapps โœ“ switch to C++17 โœ“ and much more! Visit mfem.org

Congratulations to Team Cascadia (featuring CRESCENT-affiliated Dr. Alice-Agnes Gabriel) who've been awarded the prestigious Gordon Bell Prize in high-performance computing for their billion-parameter Cascadia Subduction Zone tsunami model using the worldโ€™s fastest supercomputer, El Capitan!

Dr. Alice-Agnes Gabriel@inseismoland.bsky.social ยท 12mo ago

It still feels so unreal! Yesterday, we were awarded the "Nobel Prize" of Supercomputing, the ACM Gordon Bell Prize at #SC25 for our paper โ€œReal-Time Bayesian Inference at Extreme Scale: A Digital Twin for Tsunami Early Warning Applied to the Cascadia Subduction Zoneโ€: dl.acm.org/doi/full/10....

Scripps researcher wins Gordon Bell Prize for real-time tsunami forecasting Alice Gabriel from UC San Diego's Scripps Institution of Oceanography won the 2025 Gordon Bell Prize for her team's real-time tsunami forecasting system. Using advanced algorithโ€ฆ

Scripps researcher wins Gordon Bell Prize for real-time tsunami forecasting

A UC San Diego seismologist has won an award often called the "Nobel Prize of supercomputing" for developing a tsunami forecasting system.

timesofsandiego.com