NUM-SCARS Workshop

NUM-SCARS (advanced NUmerical Methods for SCAle Resolving Simulations) is the inaugural workshop to mark the official launch of the newly formed ERCOFTAC Special Interest Group - SIG55, which shares its name with the event. The workshop seeks to unite a diverse community of researchers and practitioners, including seasoned experts, early career scientists, PhD students, and industrial partners, to foster momentum, enhance visibility, build a strong collaborative foundation, and pave the way for future events.

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When
22 Jan 2026 from 9 a.m. to 23 Jan 2026 2 p.m. CET (GMT+0100)
Where
Turing room, Congress Center, Science Park 125
Web
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A limited number of fee waivers are available for PhD students. Applicants who wish to be considered for a waiver should indicate this in the motivation box during the initial stage of the registration process.

There will be a small fee to cover the cost of lunches, refreshments and social dinner on Thursday.

Registration fee 100 euros.

Please register here for the NUM-SCARS workshop, deadline for registration is 30 October.

For more information, please visit the github website.

Program

Preliminary Program
Time Thursday 22 January
09:00 - 09:45 Registration
09:45 - 10:00 Opening
10:00 - 10:50 Opening lecture
10:50 - 11:20 Coffee/tea break
11:20 - 13:00 Advances in Numerical Methods for Scale-Resolving Simulations - 4 talks (25 minutes + Q&A)
13:00 - 14:00 Lunch
14:00 - 15:40 Complex geometries and Industrial Applications - 4 talks (25 minutes + Q&A)
15:40 - 16:00 Coffee/tea break
16:00 - 17:00 Roundtable discussion on future perspectives for CFD
17:00 - 18:30 Poster session
Friday 23 January
Time Friday 23 January
09:00 - 10:15 Open tools and Benchmarking (I/II) - 3 talks (25 minutes + Q&A)
10:15 - 10:45 Coffee/tea break
10:45 - 12:00 Open tools and Benchmarking (II/II) - 3 talks (25 minutes + Q&A)
12:00 - 13:00 Roundtable discussion on open-source / benchmarking
13:00 - 14:00 Closing and lunch
14:00 - 17:00 Roundtable discussion on SIG55 future directions, collaborative projects, and growth strategies

Sessions details

Opening lecture

  • Arthur Veldman – Supraconservative discretization methods for CFD

Advances in Numerical Methods for Scale-Resolving Simulations

  • Artur Palha – Structure-preserving finite element methods
  • Gennaro Coppola – Discrete conservation, entropy functions and induced means
  • Francesco Capuano – Time matters: perspectives on time integration in CFD
  • Sergio Pirozzoli – Lessons learnt in developing compressible flow solvers

Complex geometries and Industrial Applications

  • Xavi Trias - Conservative methods for multi-physics flows on complex geometries
  • Alessandro Colombo - Entropy-stable modal DG for scale-resolving flow simulations
  • Ed Komen – Some Considerations on DNS and LES in Complex Geometries
  • Oriol Lehmkuhl – Towards high-order low-dissipation strategies for fast industrial-scale simulations

Frontiers in Large-Eddy Simulation

  • Benjamin Sanderse – Lessons learnt in learning stable closure models from data
  • Andrea Beck - Learning in the loop: Towards discretization-consistent LES closures
  • Roel Verstappen – Large-eddy simulation: a synthesis of filtering, modelling and discretization

Open Tools and Benchmarking

  • Hendrik Ranocha – Developing structure-preserving numerical methods with Trixi.jl
  • Francesc Verdugo – GalerkinToolkit.jl: Towards a multi-platform finite element API with deep integration with the Julia package ecosystem
  • Pedro Costa – Tooling up for extreme-scale simulations of turbulent flows

Roundtable discussion on open-source / benchmarking

Chair: Sylvain Laizet
Participants: Pedro Costa, Bernat Font, Hendrik Ranocha, Francesc Verdugo

Roundtable discussion on future perspectives for CFD

Chair: Benjamin Sanderse
Participants: Andrea Beck, Oriol Lehmkuhl, Sergio Pirozzoli, Arthur Veldman