openTELEMAC - Free-Surface hydraulic simulation (remote)
December 10-17, 2026
Why register?
Do you recognize yourself?
- You run environmental hydraulics calculations that don't converge or give inconsistent results: torrential liquid boundaries, poorly configured solvers, obscure error messages... and you spend hours trying to figure out what's wrong.
- You want to switch to an open-source finite element and volume solver to gain technological expertise and reduce your licensing costs, but you don't know where to start or how to structure your first calculations.
- You have trouble interpreting .slf files and solver messages: do the results accurately describe reality? Are there phenomena that are poorly evaluated or simply ignored (tides, salinity, temperature, turbulence, etc.)? Are the results physically consistent?
- You want to go beyond the tutorials and fully master openTELEMAC to adapt it to your industrial cases: automate your calculations, chain several simulations, conduct parametric studies, or integrate the solver into a larger simulation chain.
Why our training in particular?
Theory revisited, immediate practice
Two days of practice backed by a review of the theoretical fundamentals of Saint-Venant equations. Each session is more demanding than the previous one: you progress in concrete steps, from discovery to more comprehensive and better implemented physical models.
From geometry to post-processing: the complete workflow
You will learn how to operate and master the tools (QGIS & Q4TS, Paraview, openTELEMAC) together, just as you would in your daily work. Not just the solver: the entire simulation chain and the use of geographic databases.
Practical trainers, right in front of you
Our engineers and PhDs use openTELEMAC daily on industrial projects at Simvia. They share best practices, pitfalls to avoid, and troubleshooting tips that you won't find in any documentation.
Practical information
- Date: December 10 and December 17, 2026 (two days one week apart)
- Duration: 2 non-consecutive days
- Times: 9 a.m. → 12:30 p.m.; 2 p.m. → 5 p.m.
- Format: Online training
- Training language: oral and written materials in English
The one-week interval between the two days is intentional: it gives each participant time to assimilate the concepts covered in the first session, experiment on their own, and arrive at the second day with specific questions.
Training program
December 10 – Morning: “The fundamentals”
- General presentation of the OpenTELEMAC system and its typical applications
- Theoretical basics: from Navier–Stokes equations to Saint-Venant equations — understanding the assumptions behind OpenTelemac
- Overview of closure models in Telemac (friction, wind, turbulence, diffusion, advection, etc.)
- The characteristic method and its importance in Telemac simulations
December 10 – Afternoon: “Getting Started with QGIS and Telemac”
- Presentation of the files needed to run a TELEMAC-2D simulation
- Interactive hands-on session:
- Use Q4TS's create_mesh to generate a simple 2D mesh of a river in France
- Interpolating elevation data to define the domain around the riverbed
- Using projection_field in Q4TS to assign a uniform friction coefficient and wet the liquid boundaries
- Learning how to launch Telemac via a prepared command file
- Visualize and interpret the simulation results
December 17 – Morning: “Getting familiar with the Telemac workflow”
- Command file structure: syntax, reference documentation, interpretation of warnings and log messages
- Common Telemac keywords and their meanings
- Brief introduction to Telemac3D and other modules, as well as additional features (plotters, calibration curves, tides, etc.)
- Tips for continuing to learn independently (documentation, Python scripts, notebooks)
- Short practical exercise: decrypting the command file from Day 1
December 17 – Afternoon: “Towards realistic flood simulation and beyond”
- Interactive hands-on session:
- Refine the Day 1 mesh with Q4TS by interpolating land cover data to estimate Strickler coefficients
- Modify the command file to simulate a river flood on the refined mesh
- Run the simulation and perform post-processing in Paravis
- Modify the BOTTOM values to add a levee or retention basin of your choice
- Critical analysis: is the simulation realistic?
- If time permits: coupling with the WAQTEL module to study the propagation of bacteria in a river with a time-dependent degradation law.
Louis
Haurie
Your trainer
Pricing
Included: help installing the latest version of the code, end-of-training certificate...
Frequently asked questions
Our commitments
We are committed to making our training courses accessible to people with disabilities. As every situation is unique, we invite you to contact us before registering so that together we can identify the learning, technical or organisational adjustments that can be put in place.
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