The 15th ERCOFTAC workshop on Direct and Large Eddy Simulation (DLES15) will be held in Delft, the Netherlands, on the 20th - 22nd May 2026.

https://dles.ercoftac.org/dles15

​Important Dates:

• Abstract submission: 15th December 2025 - 15th January 2026
• Notification of acceptance: 1st March 2026

The goal of the bi-annual DLES workshop series is to establish the state-of-the-art of DNS, LES, and related hybrid techniques for the simulation of turbulent and transitional flows.

Topics addressed at DLES15 include:

• advanced numerical methods and algorithms for high-performance computing of turbulent fluid flows;
• new models for transition, turbulence, heat and mass transfer, reactive flows and multiphase flows;
• new fundamental theories based on insights from DNS and LES;
• methods for data analysis, data assimilation, and reduced order modelling, including machine learning;
• applications of DNS, LES and hybrid methods in engineering, biological, environmental, and geophysical flows.

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