SIG55 Workshop

Advanced Numerical Methods for Scale-Resolving Simulations

22nd - 23rd January 2026

CWI, Amsterdam, The Netherlands

The program is available on the congress website: TBC

The event is intended to be an inaugural workshop to mark the official launch of the newly formed ERCOFTAC Special Interest Group - SIG55 on Advanced Numerical Methods for Scale-Resolving Simulations. The event aims to bring together a diverse group of researchers and practitioners, ranging from established experts to early-career scientists and PhD students, as well as industrial partners, to build momentum, visibility, and a collaborative foundation for the SIG’s activities.

Objectives:

The primary goals of the workshop are to:

• Establish a core community and foster interdisciplinary dialogue among researchers working on high-fidelity CFD, numerical analysis, and flow physics;
• Attract and involve young researchers by providing a platform for discussion, collaboration, and visibility;
• Initiate collective efforts towards the definition of relevant benchmark cases for complex flow configurations;
• Promote open-source software development and coordinate the implementation of structure-preserving schemes in existing platforms (e.g., OpenFOAM, Nek5000, Saturne, PyFR);
• Discuss strategies for reconciling numerical robustness, physical fidelity, and computational efficiency in direct and large-eddy simulations;
• Attract practitioners (industrial partners) that will ultimately apply the methods and can provide input to their development.

Format and Activities:

The 2-day workshop (expected attendance: 30–40 participants) will be structured around:

• Keynote lectures from leading researchers on structure-preserving discretizations, advanced LES modeling, and software implementations;
• Contributed presentations and flash talks from early-career researchers;
• Open discussion sessions on benchmark case definition and software/tool interoperability;
• A hands-on session focused on implementation challenges and opportunities within open-source CFD platforms;
• A roundtable on future directions, collaborative projects, and SIG growth strategies.

Impact and Expected Outcomes:

This first SIG event will serve as a catalyst to consolidate the community, lay the groundwork for future collaborative efforts, and align research directions. It will also help create a common roadmap for numerical benchmarking and software integration. Furthermore, it will increase the visibility of the SIG within ERCOFTAC and the broader CFD community, paving the way for follow-up events and potential joint funding proposals.

P​rogramme: T​BC

Workshop website: TBC