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DDM-GNI – Discrete Dirac Mechanics and Geometric Numerical Integration Methods for Plasma Physics

In recent years it has been realised that the preservation of certain structures and properties of mathematical equations is of utmost importance when bringing them in a form understandable by computers. Ignoring such properties often leads to incorrect results in the corresponding simulations. In plasma and fusion physics this is especially true as the mathematical equations are highly complex and direct comparison with the experiments is very difficult. Still, the application of structure-preserving numerical algorithms to plasma physics has not gained much attention and todays’ computer codes do not use such methods. Consequently, these codes are not able to reproduce important physical effects observed in the experiments, hindering progress in research.

This project is devoted to the development of a flexible and general framework for the derivation of geometric numerical integrators, referred to as discrete Dirac mechanics, which will be applicable to many problems from plasma physics, but also to equations from other research fields such as optimal control, meteorology, oceanography, geo dynamics, fluid dynamics, elasticity, solar physics, astrophysics and cosmology. This framework will be used to derive novel numerical methods for important systems used in plasma and fusion physics modelling. After successful prototype implementation, verification and validation of the new methods, these will be implemented in an open source library and transferred to leading application codes in order to improve their predictive capabilities and physical correctness.

By combining the expertise of all participants, it will be possible to establish an innovative line of research which will lead to numerous applications and strengthen the European leadership in scientific computing. The know-how acquired through the proposed actions will complement my theoretical, technical as well as transferrable skills and put me in a position to establish an independent research group.

EU-Japan aspect in DDM-GNI

Waseda University has been indirectly involved this project because Dr. Michael Kraus (Max Planck Institute) applied to this project. Dr. Michael Kraus was previously a visiting professor at Waseda. Thanks to this research project, Waseda University can extend their international relationships in the area of mathematics.

At the same time, through support of one part of the Super Global University programme of MEXT, educational activities such as intensive lectures can be organized with Dr. Kraus. From the side of Prof. Yoshimura of Waseda University, joint research projects can be implemented with Dr. Kraus through support from KAKENHI (JSPS) and the earlier mentioned Super Global University programme.

 

Project details:

Period: From 2016-04-01 to 2018-03-31

Total cost: EUR 181,002,6

EU contribution: EUR 181,002,6

Project information: http://cordis.europa.eu/project/rcn/201582_en.html

Japanese partners in this project use funds from MEXT and JSPS to facilitate their participation in this project.

 

Consortium Partners:

Coordinator:

MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV (Germany)

 

Partner organization in Japan:

Waseda University: Yoshimura Lab