Institut Polytechnique de Paris
Ecole Polytechnique ENSTA Ecole des Ponts ENSAE Télécom Paris Télécom SudParis
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IP Paris Research Day 2025

01 Dec. 2025 - 01 Dec. 2025
The IP Paris Research Day will be held on December 1, 2025 at Télécom Paris. This year, the scientific community will come together to celebrate the integration of École nationale des ponts et chaussées into IP Paris, focused on the theme: “Numerical Modeling and Ecological Transition.” This event will bring together researchers, PhD students, and technical staff from all member schools to showcase the research conducted within the IP Paris laboratories and to promote interdisciplinary exchange.
IP Paris Research Day 2025

Abstract

The ecological transition raises formidable challenges for engineers across many fields: energy, transportation, infrastructure, urban planning, and more. The IPCC bases its assessments on models of climate evolution. Numerical modeling therefore plays a fundamental role in this context, but it also raises important questions—for example, regarding the validity of models under new climatic conditions, and the energy cost of these models, especially when they rely on the use of very large datasets.

Annual theme

For the fourth year, the scientific community of the Institut Polytechnique de Paris will come together around the theme Numerical Modeling and Ecological Transition, with a program featuring plenary lectures, mini-symposia, and individual presentations during a poster session.

This annual event aims to:

  • Explore interdisciplinary research topics related to the chosen theme,

  • Highlight scientific results and their impact,

  • Encourage exchange and the development of collaborations among researchers.

Registration is free but mandatory. This is an internal event, exclusively for the IP Paris members staff and its Schools.

Program

The program will feature 3 plenaries lectures, 6 mini-symposia, and individual presentations during a poster session.

The interdisciplinary centers and arious IP Paris services will also be present to showcase the range of services and opportunities they offer.

8:30 AMWelcoming  
09:00 AM - 9:05 AMOpening speechPatrick Olivier, Dean of Télécom Paris
Lecture hall Thevenin
09:05 AM - 9:10 AMResearch addressJamal Atif, VP Recherche & Innovation IP Paris - E4C
9:10 AM - 9:15 AMSpecial speechAnthony Briant, Dean of École nationale des ponts et chaussées
9:15 AM - 9:55 AMPlenary 1Digital Twins and AI for the Ecological Transition - Patrick Pélata - Alumni of École Polytechnique and ENPC - President of Meta Strategy Consulting 
9:55 AM-10:33 AMPlenary 2Silke Biermann - CPHT - École polytechnique - E4C
10:35 AM -11:15 AMPlenary 3Freddy Bouchet - Director of LMD - ENS/ IPSL - E4C
11:15 AM -11:35 AMPitch session 
11:30 AM -1:30 PMLunch break, stands, poster session  
1:30 PM - 3:30 PM
Symposium 1 "Climate and meteorology "
The AI revolution in numerical weather prediction: surrogate models and data assimilation - Marc Bocquet - CEREA - ENPC - E4C
Lecture hall Thevenin
Aglaée Jézéquel - LMD - École polytechnique
Parametric insurance: challenges and opportunities to reduce the climate insurance protection gap - Olivier Lopez - CREST - ENSAE Paris
Learning Environmental Representations for Scalable, Long-Term, Tree-Level Forest Monitoring - Loïc Landrieu - LIGM - ENPC
Symposium 2 "Energy" 
Energy Footprint of Numerical Simulations on Supercomputers - François Trahay - SAMOVAR - Télécom SudParis - E4C
Lecture hall 3
Inter-domain and multi-stakeholders system infrastructure orchestration - Daphné Tuncer - LVMT - ENPC - E4C
Louis-Gaëtan Giraudet - CIRED - ENPC - E4C
Yann Marco - IRDL - ENSTA
Symposium 3 "Transportation & Mobility"
Reducing Accessibility Inequality via Flexible Mobility: a Descriptive and Prescriptive Analysis - Andréa Araldo - SAMOVAR - Télécom SudParis
Lecture hall 4
Tackling Car Emissions in Urban Areas: Shift, Avoid, Improve - Marion Leroutier - CREST - ENSAE Paris - E4C
Virginie Boutueil - LVMT - ENPC
Combinatorial Optimization Augmented Machine Learning for Sustainable Transport and Logistics - Axel Parmentier - CERMICS - ENPC
3:30 PM - 4:00 PMCoffee break, stands  
4:00 PM - 6:00 PM
Symposium 1 "Models & society" 
Tipping points, climate risks and emission reduction - Peter Tankov - CREST - ENSAE Paris - E4C
Lecture hall Thevenin
Economists, their models, and public policy on energy issues: a retrospective view - Antoine Missemer - CIRED - ENPC
Energy sufficiency in real life: domestic practices in a stratified society. Insights from winter 2022–2023 - Claire Le Renard - LATTS - ENPC
Science beyond quantification - integrating objective and subjective views in unpredictable worlds - Ada Diaconescu - LTCI - Télécom Paris
Symposium 2 "Materials & sustainability" 
Polina Volovitch - IPVF - École polytechnique
Lecture hall 3
Matthieu Vandamne - NAVIER - ENPC - E4C
From Durability Optimization to Solid-State Recycling: Pathways to Lower Environmental Footprints - Bruno Levieil -   IRDL - ENSTA
Thin films for the energy transition: atomic layer deposition, a well-suited technique - Clémence Badie - PMC - École polytechnique
Symposium 3 "Water & Environment" 
Numerical Modeling of Urban Water and Environment: Nature-Based Solutions for Climate Adaptation - Pierre - Antoine Versini - HM&CO - ENPC
Lecture hall 4
Marie-Christine Gromaire - LEESU - ENPC
Swimming in the Seine - Rémi Carmignani - LHSV - ENPC - E4C
CO2 Extraction from Seawater: from Lab Bench to Ocean Depths - Cédric Tard - LCM - École polytechnique - E4C
 
 
 
 
 
 

 

Scientific committee

Tony Lelièvre, Chair of the Committee, Professor at CERMICS, a laboratory of ENPC, E4C

Gauthier Vermandel, Researcher at CMAP, a laboratory of École Polytechnique

Nathanaelle Schneider, CNRS Researcher at IPVF, a laboratory of École Polytechnique, E4C

Marieke Stein, Associate Professor at FoAP, a laboratory of ENSTA

Fabien Leurent, Senior Researcher at CIRED, a laboratory of ENPC

Philippe Ciblat, Professor at LTCI, a laboratory of Télécom Paris

Catherine Lepers, Professor at SAMOVAR, a laboratory of Télécom SudParis

Venue

By public transportation

2 ways to get here:

> RER B Massy-Palaiseau station + bus
Map of the Massy-Palaiseau station and bus stops
At the station, take the bus 4606 to « Christ de Saclay » or « Le Guichet » or 5154 to « St-Quentin-en-Yvelines ».
Alight at « Ferme de la Vauve ».
> RER B Le Guichet station (nearest walking distance)
Take the bus line 4606 to « Massy-Palaiseau » or 9105 to « Polytechnique Vauve ».
Or pedestrian itinerary within about 15-20 minutes: take the rue du Pont de Pierre exit, then climb the stairs of the passage du Buisson, then rue de la Vauve and the footbridge through Eugène Chanlon wood park.

https://maps.app.goo.gl/dQ6Vz1XhGjV8J6Z6A


By car

> From Porte d’Orléans or Porte d’Italie: take the A6 highway

> From Pont de Sèvres: take N118

Public parking spaces are located in the vicinity of Boulevard Thomas Gobert (indoor parking only open to guests and on request).

https://www.telecom-paris.fr/en/campus/life/maps-directions