Scientific Rationale

Recent advances in computer hardware and software have made it possible to model a number of astrophysical objects and processes using realistic high quality numerical simulations. At the same time, large telescopes have provided an enormous amount of data at different wavelengths, useful for stellar, Galactic and extragalactic astronomy and astrophysics. This is the right time to confront these observations with the latest results of numerical simulations, in order to address several questions of astronomy and to plan and build new generation instruments.


In the framework of the LIA ORIGINS, we plan to organise a meeting with a focus on numerical simulations in astronomy and astrophysics, including challenges posed by current state-of-the-art numerical models. This will cover a large range of fields from galaxies and cosmology to instrumentation, without neglecting stellar populations, our Galaxy and planet formation. This will include:

  • Large scale structure in the Universe and determination of cosmological parameters;
  • The first sources in the early Universe and their role in the re-ionisation;
  • Formation and evolution of galaxies;
  • Black holes, AGN and the interplay between high energy physics and galaxy formation;
  • The origin of the Milky Way and nearby galaxies;
  • The star formation and how it is regulated;
  • Formation of planets and planetary systems;
  • Orbital structure and Chaos;
  • Instrumentation-related simulations;
  • Recent hardware and software advances.


Emphasis will be given to topics of particular interest to our two communities in China and in France. The goal of the meeting is to bring together scientists working in observations and in simulations to discuss about new results and future challenges. Each session will begin by overviews of the state-of-the-art in both simulations and observations.


A special session will be devoted to  describe the new facilities that are planned for both countries during the next ten years.

The meeting will be held at the beautiful place of La Londe les Maures near the Mediterranean sea during the week of May 13 to 17, 2012.