IDOPT has been dissolved on 12/31/2005
It has been replaced by MOISE
Project-Team Presentation
Joint project-team with IMAG (CNRS, INPG and University J. Fourier).
Our knowledge of a physical system lies:
- on one hand, on the direct model based on non-linear partial differential equations coming from comportemental laws or conservation laws and including terms that are unknown or stochastic;
- on the other hand, on partial observations of the system.
The object of the project is to develop mathematical tools and algorithms for:
- the identification of these physical systems, i.e. reconstruct the state of the system or determine some of its parameters from the observations;
- the optimization of these systems, i.e. act on degrees of freedom in order to reach a prescribed objective.
Idopt is a common project with CNRS, the Institut national polytechnique de Grenoble (INPG) and the University Joseph Fourier (UJF).
Research themes
The domains of application are issued from physics and the environmental sciences. The main applications treated concern the following topics:
- Plasma physics: identification of the current density and optimal control of the equilibrium of the plasma in a Tokamak.
- Micromagnetism: modelling of a device and simulation of the evolution of the magnetization in a ferromagnetic material.
- Crystallography and optimization of a crystallization oven.
- Oceanography: modelling of the oceanic circulation and altimetric data assimilation.
- Physics of the atmosphere: coupling and parallelizing of meteorological models.
The methods used are deterministic and stochastic. They often come from optimal control theory. Efficiency in the implementation of the algorithms is looked upon carefully, and in particular, their adaptation on parallel architectures, which are justified by the size of the problems.
International and industrial relations
- Participation in the following CNRS Research programs "Hot Plasmas for Magnetic Confinement Fusion", "Variational Methods in Meteorology and Oceanography", "Simulation of Charged Particle Beams", "Shape Optimization".
- Collaborations with Boston University, Oklahoma University, Rutgers University, the University of California at Irvine, and Florida State University (USA).
- Collaborations with CEA, ESRF, ILL, Cisi, Leti, Legi, Laboratoire de Météorologie Dynamique (École polytechnique and École normale supérieure) and Aerology Laboratory (Toulouse).
- Coordination of Intas project on mathematical methods in climatology.
Scientific leader
François-Xavier LE DIMET
+33 4 76 51 46 75
Francois-Xavier.Le-Dimet@inria.fr
Secretary : +33 4 76 51 49 93
