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Center of Excellence in Exascale CFD (CEEC)

@ceec-coe.bsky.social

82 followers 32 following 103 posts

Finding solutions to grand challenges at the frontier of CFD. CEEC's ambition is to enable the use of exascale #HPC computers for key computational fluid dynamics (CFD) applications and demonstrate their capabilities through key light-house cases.

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 23h

🚀 From Lighthouse Cases to Exascale Practice Attend our final Community Workshop to hear what six lighthouse cases have delivered — and what comes next for exascale CFD. 📅 10 Nov | 13:00–15:00, Stockholm Registration is open. **Sign up soon to book your travel!** 🔗 ceec-coe.eu/event/from-l...

From Lighthouse Cases to Exascale Practice: Outcomes of CEEC – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 01/10/2026

🌬️ Our latest CEEC industrial use case explores wind energy from a different angle - this time atmospheric boundary layer flows. 💻 CEEC used #HPC for LES with up to 100 billion grid points, supporting more detailed wind-resource assessment and turbine-load analysis. 🔗 ceec-coe.eu/2026/09/30/s...

Simulation of Atmospheric Boundary Layer Flows – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 28/09/2026

📍 Heading to #WomENcourage2026 this week? Don’t miss CEEC’s Susanne Malheiros on 🗓️ Oct 2 | 13:45–14:45. See how Vistle turns large-scale CFD simulations into immersive 3D/VR visualizations, with live demos and no prior VR experience needed! 🔗 ceec-coe.eu/event/womenc...

womENcourage™ 2026: Bringing Simulations to Life with Vistle – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 22/09/2026

🌬️ Industrial Use Case #3 is here! How can HPC help make offshore wind foundation installation more predictable? CEEC uses grain-scale simulations to improve erosion predictins and reduce both uncertainty and potential costs. 👉 ceec-coe.eu/2026/09/21/l... #HPC #OffshoreWind

Localized Erosion of an Offshore Wind-Turbine Foundation – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 17/08/2026

🥽 What if your simulation results could become an immersive experience? At #WomENcourage2026, CEEC’s Susanne Malheiros will show how Vistle turns complex CFD data into interactive 3D and VR experiences. 🗓️ Oct 2 | 13:45–14:45 🔗 ceec-coe.eu/event/womenc...

womENcourage™ 2026: Bringing Simulations to Life with Vistle – CEEC CoE

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 04/08/2026

Check out this opportunity to improve your #CFD skills with our sister Centre of Excellence @excellerat.bsky.social!

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 17/07/2026

📍 Heading to #WCCM2026 in Munich? Add CEEC’s July 20 talk to your agenda: “Adjoint Methods Using POD State Reconstructions on Modern HPC Architectures” by Harrison Nobis. Learn how POD + CPU–GPU workflows can make large-scale CFD adjoint analysis more efficient. 🔗 ceec-coe.eu/event/ceec-a...

CEEC at WCCM – ECCOMAS 2026 – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 25/06/2026

🛫 Near the speed of sound, airflow and wing deformation interact in complex ways. Our second industrial use case explores how high-fidelity aeroelastic simulations can improve aircraft design, certification, and performance. 📖 ceec-coe.eu/2026/06/25/h... #CFD #Aerospace #ISC26

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 24/06/2026

✈️ Shock buffet limits aircraft performance, efficiency, and certification. Our first industrial use case shows how high-fidelity CFD and exascale HPC can improve prediction of this complex phenomenon and support better aircraft design. 📖 ceec-coe.eu/2026/06/24/s... #CFD #Aerospace #ISC26

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 24/06/2026

🚀 This summer, CEEC is launching a new industrial use case series. From aerospace to energy efficiency, discover how extreme-scale HPC helps solve real-world engineering challenges and accelerates innovation across Europe. Stay Tuned! ceec-coe.eu/category/ind... #HPC #CFD #industry .

Industrial Use Case – CEEC CoE

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 23/06/2026

📍 At #ISC26? Meet CEEC! ⚡ June 24, 15:45–17:15 Mixed-Precision and Energy-Efficiency in SEM Codes 💬 June 25, 12:30–13:00 Niclas Jansson presents CEEC at the EuroHPC JU Booth J30 Learn how we're advancing energy-efficient #HPC, performance portability, and #exascale #CFD. ceec-coe.eu/events/

Mixed-Precision and Energy-Efficiency in SEM Codes – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 29/05/2026

🌊 Want to run high-fidelity CFD at extreme scale? Join CEEC’s hands-on Neko webinar on June 17! Learn to install, run, configure & optimize simulations on CPUs, GPUs & accelerators with the upcoming Neko v1.1 🚀 ⚠️ Register by June 11 ceec-coe.eu/event/extrem... #HPC #CFD #Exascale #Neko

Extreme-Scale High-Fidelity Computational Fluid Dynamics with Neko – CEEC CoE

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 27/05/2026

Last chance to attend! Maximize precision while minimizing energy to solution with VerifiCarlo. We can show you how in our webinar today at 15:00! Register ceec-coe.eu/event/enabli...

Enabling mixed-precision with VerifiCarlo: Sharing CEEC experience – CEEC CoE

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 21/05/2026

Don't forget to register for our webinar next week and learn how to increase your energey efficiency without sacrificing accuracy! Make the most of #MixedPrecision using VerifiCarlo. We can show you how! 🗓️ May 27 | 15:00–16:00 CET | Online 🔗 Register 👉 ceec-coe.eu/event/enabli...

Enabling mixed-precision with VerifiCarlo: Sharing CEEC experience – CEEC CoE

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 18/05/2026

🧩 CEEC’s latest newsletter is out! Discover progress in European HPC: RISC-V code portability, extreme-scale CFD, and energy-efficient computing . ⚡ Register for our next webinar on VerifiCarlo & mixed precision. 📬 Read more: www.linkedin.com/pulse/ceecs-...

CEEC's Spring Update

Welcome 🧩 This spring, CEEC has been turning technical progress into tangible results — from exploring scientific code portability on emerging European RISC-V hardware, to celebrating award-winning ad...

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 06/05/2026

⚡ Mixed precision = lower energy, same accuracy? Learn how to safely reduce precision in HPC codes with VerifiCarlo. 🗓️ May 27 | 15:00 CET 💻 Online Join CEEC & make your simulations more efficient and sustainable. 👉 ceec-coe.eu/event/enabli... #HPC #Exascale #MixedPrecision

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 22/04/2026

⏳ In 1 Week! ⏳ Don't forget to register for our next webinar, "Flagship scientific applications on a European RISC-V long-vector accelerator: Lessons learned." Learn from our work with the European Processor Initiative preparing CEEC codes for RISC-V processors. www.linkedin.com/events/74454...

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 16/04/2026

📢 Webinar: RISC-V & CFD CEEC + EPI share lessons on preparing scientific codes for European RISC-V hardware. 🗓️ Apr 29 | 14:00 CEST 💻 Online Join and help advance European digital sovereignty in your work. 👉 ceec-coe.eu/event/flagsh... #HPC

Flagship scientific applications on a European RISC-V long-vector accelerator: Lessons learned – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 02/04/2026

📅 CEEC Webinar | RISC-V long-vector accelerators 🗓️ April 29 | 14:00–15:00 CEST | Online Learn lessons from porting flagship scientific codes to European RISC-V hardware: optimisation strategies, performance pitfalls & portability insights. 👉 ceec-coe.eu/event/flagsh...

Flagship scientific applications on a European RISC-V long-vector accelerator: Lessons learned – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 25/02/2026

📍 CEEC at deRSE26 🗓️ Tue, 3 March | 16:10–16:30 📌 V47.05 FAIR-FLEXI: capturing code state, build configs & runtime setups to make CFD workflows reproducible and portable — with Jupyter support for training & collaboration. 🔗 ceec-coe.eu/event/fair-f... #FAIR #ResearchSoftware #CFD

FAIR-FLEXI – A Trustworthy CFD Code for Simulation and Training – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 25/02/2026

📍 CEEC at Stuttgart Research Software Day 🗓️ Mon, 2 March | 16:45–18:30 📌 Poster Session, Foyer V47 (Campus Vaihingen) We’re presenting FAIR-FLEXI – a reproducible CFD workflow with full provenance tracking and portable environments. 🔗 ceec-coe.eu/event/ceec-a... #FAIR #CFD #HPC

CEEC at the 1st Stuttgart Research Software Day – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 12/02/2026

📍 CEEC at #SIAMPP26 | Berlin 🔬 GALAEXI: Architecture-agnostic GPU acceleration for legacy Fortran CFD 🗓️ Mar 3, 18:25–18:50 Join Spencer Starr on practical CUDA/HIP porting, CPU/GPU support, MPI, and performance portability. ceec-coe.eu/event/galaex... #HPC #Fortran #CFD

GALAEXI: An Architecture-Agnostic GPU-Acceleration Approach for Legacy Fortran Software – CEEC CoE

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 02/02/2026

🎯 New year, new skills: performance portability for Fortran on GPUs Watch the CEEC webinar on adapting the CFD solver GALÆXI for CPUs & GPUs, covering GPU basics, Fortran + CUDA/HIP, and verification at scale. 👉 ceec-coe.eu/2025/12/11/p... #HPC #Fortran #GPUComputing #CFD

Performance Portability for Fortran Software – Experience from GALÆXI – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 02/02/2026

🎯 New year, new skills: performance portability for Fortran on GPUs Watch the CEEC webinar on adapting the CFD solver GALÆXI for CPUs & GPUs, covering GPU basics, Fortran + CUDA/HIP, and verification at scale. 👉 ceec-coe.eu/2025/12/11/p... #HPC #Fortran #CFD

Performance Portability for Fortran Software – Experience from GALÆXI – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 27/01/2026

📍 CEEC at SCA / #HPCAsia2026 — Talk 2 🔬 A Matrix-Free Algebraic hp-Multigrid Method for Computational Fluid Dynamics Applications 🏆 Best Paper Finalist 📅 January 28 | ⏰ 12:00–12:30 📍 Osaka, Japan | SCA / HPCAsia 2026

A Matrix-Free Algebraic hp-Multigrid Method for Computational Fluid Dynamics Applications – CEEC CoE

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 27/01/2026

📍 CEEC at #HPCAsia2026 — Talk 1 🔬 Task-decomposed Overlapped Preconditioner for Sustained Strong Scalability on Accelerated Exascale Systems 📅 January 28 | ⏰ 11:30–12:00 📍 Osaka, Japan | SCA / HPCAsia 2026

Task-decomposed Overlapped Preconditioner for Sustained Strong Scalability on Accelerated Exascale Systems – CEEC CoE

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 25/12/2025

Thank you for the last year and we'll see you in the new one! 🎉 ceec-coe.eu/2024/12/23/t...

The 12 Days of CEEC-ness – CEEC CoE

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 25/12/2025

🌲 We hope you've enjoyed our 12 Days of CEEC-ness parody and wish you a warm and relaxing holiday season! ❄️ 🎤 The full lyrics to our song are in our last year's blog post, if you feel like starting a new sing-along tradition!

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 24/12/2025

ceec-coe.eu/merchant-shi... 🎶...Nek code improvements, Atmo boundary models, Coupled waLBerla, Wind turbines eroding, Better Neko meshing, Fast static mixers, New SOD2D flows! solid Alya code, Plane wings that bend, FLEXI transonic flows, and an airplane that wants to fly free.🎶

Merchant Ship Hull – CEEC CoE

In contrast to aerospace, the marine industry lags behind in using high-fidelity simulations for design. Moreover, large vessels are a particularly challenging computational problem because they…

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 24/12/2025

🎶On the twelfth day of CEEC-ness, my true love gave to me, Merchant ships a-simming...🎶 Unlike #aerospace, #Maritime doesn't commonly use high-fidelity #CFD simulations for design. CEEC will capitalize on new, larger #HPC systems to start catching up on simulations for ship modeling.

Merchant Ship Hull – CEEC CoE

In contrast to aerospace, the marine industry lags behind in using high-fidelity simulations for design. Moreover, large vessels are a particularly challenging computational problem because they…

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 23/12/2025

🎶...Atmo boundary models, Coupled waLBerla, Wind turbines eroding, Better Neko meshing, Fast static mixers, New SOD2D flows! solid Alya code, Plane wings that bend, FLEXI transonic flows, and an airplane that wants to fly free.🎶

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 23/12/2025

IN CEEC, we'll be both porting Nek to new hardware, such as for the Jupiter system from the @fz-juelich.de, as well as improving its large eddy simulations and wall modelling. ceec-coe.eu/nek5000-nekrs/

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 23/12/2025

🎶on the eleventh day of CEEC-ness, my true love gave to me, Nek code improvements...🎶 Nek has been around for decades, but hardware keeps evolving, which means Nek must too.

Nek5000-NekRS – CEEC CoE

Nek5000 and NekRS are highly-efficient and scalable open source incompressible and low Mach flow solvers employing the spectral element method (SEM), a high-order weighted residual technique for…

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 22/12/2025

🎶...Coupled waLBerla, Wind turbines eroding, Better Neko meshing, Fast static mixers, New SOD2D flows! solid Alya code, Plane wings that bend, FLEXI transonic flows, and an airplane that wants to fly free.🎶

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 22/12/2025

... in size or detail given that atmosphere covers our entire planet. In CEEC, we're pushing the state of the art in this field to make more accurate, larger simulations possible, even on the newest generation of European supercomputers. ceec-coe.eu/atmospheric-...

Atmospheric Boundary Layer flows – CEEC CoE

In addition to vertically exchanging moisture and aerosols in the atmosphere, Atmospheric boundary layer (ABL) flows affect transportation, renewable power generation (wind and solar), pollutant…

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 22/12/2025

🎶On the tenth day of CEEC-ness, my true love gave to me, Atmo boundary models...🎶 Understanding or someday predicting our atmosphere has implications for solar energy, wind energy, urban modeling, and weather prediction (of course). These kinds of simulations have no upper limit ...

Atmospheric Boundary Layer flows – CEEC CoE

In addition to vertically exchanging moisture and aerosols in the atmosphere, Atmospheric boundary layer (ABL) flows affect transportation, renewable power generation (wind and solar), pollutant…

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 21/12/2025

🎶...Wind turbines eroding, Better Neko meshing, Fast static mixers, New SOD2D flows! solid Alya code, Plane wings that bend, FLEXI transonic flows, and an airplane that wants to fly free.🎶

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 21/12/2025

For the lighthouse case where we’re using waLBerla, we’re simulating coupled micro erosion fluid flow and particle flow. In CEEC, we're therefore improving the performance of this coupled fluid – particle flow simulation. ceec-coe.eu/walberla/

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 21/12/2025

🎶On the ninth day of CEEC-ness, my true love gave to me, Coupled waLBerla...🎶 waLBerla uses the lattice Boltzmann method to simulate flow, unlike all the other CEEC codes that solve the Navier-Stokes equations.

waLBerla – CEEC CoE

waLBerla is a modern open source multi-physics simulation software framework with a focus on CFD applications. The main unique feature of waLBerla is its uncompromising focus on large-scale…

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 20/12/2025

🎶...Better Neko meshing, Fast static mixers, New SOD2D flows! solid Alya code, Plane wings that bend, FLEXI transonic flows, and an airplane that wants to fly free.

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 20/12/2025

Erosion and micro erosion can cause suction pylon installation to fail, though. So, we’re building a simulation of this erosion to understand how to make suction installation more successful. ceec-coe.eu/localized-er...

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 20/12/2025

🎶On the eighth day of CEEC-ness, my true love gave to me, Wind turbines eroding...🎶 Off-shore wind energy has great potential but also environmental impacts. One solution is suction mounting the turbine pylons, which is much quieter.

Localized erosion – CEEC CoE

Suction foundations for offshore wind turbines can have a significant risk of erosive failure. Nevertheless, this type of marine foundation is gaining growing relevance as an environmentally friendly…

Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 19/12/2025

🎶...Fast static mixers, New SOD2D flows! solid Alya code, Plane wings that bend, FLEXI transonic flows, and an airplane that wants to fly free.🎶

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 19/12/2025

That said, it could be better at building meshes for complex geometries. That's one of the things we're working on improving to enable the two lighthouse cases where we're using #Neko - yesterday's static mixers as well as day 12 of this song parody being published next Friday. ceec-coe.eu/neko/

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 19/12/2025

🎶On the seventh day of CEEC-ness, my true love gave to me, Better Neko meshing…🎶 #Neko is incredibly fast and paralel as well as easy to use across hardware architectures, with it's abstraction layer that takes care of choosing the correct kernal for the system.

Neko – CEEC CoE

Neko is a portable framework for high-order spectral element based simulations, focusing on the incompressible regime. The framework is written in modern Fortran and adopts an object-oriented…

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 18/12/2025

🎶...New SOD2D flows! solid Alya code, Plane wings that bend, FLEXI transonic flows, and an airplane that wants to fly free.🎶

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 18/12/2025

However, finding the best balance between speed of flow and thoroughness mixing is difficult. We're teaching #Neko to simulate this optimal topology! ceec-coe.eu/topology-opt...

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 18/12/2025

🎶On the sixth day of CEEC-ness, my true love gave to me, Fast static mixers...🎶 Static mixers, tubes whose internal topology mixes fluids without any moving parts,are therefore low maintenance and cost effective for many industries spanning medicine to food.

Topology Optimization – CEEC CoE

Static mixers, a part of a pipe in which the incoming fluid streams are mixed by the internal pipe geometry while decreasing pressure as little as possible, have been used since the 1970s for…

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 17/12/2025

🎶...solid Alya code, Plane wings that bend, FLEXI transonic flows, and an airplane that wants to fly free. 🎶

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Center of Excellence in Exascale CFD (CEEC) @ceec-coe.bsky.social · 17/12/2025

We're scaling and speeding up SOD2D while making it couple with Alya for solid mechanics simulations - a technical challenge full of unknown unknowns. ceec-coe.eu/sod2d/

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