EDF is one of the leading energy companies, with solid positions in major European countries. Partner EDF is committed to creating long term, low carbon affordable energy and the safety and sustained performance of nuclear and hydraulic plants is one of the key issues in this regard. EDF participates in the project through its research and development (R&D) unit. EDF R&D has the mission to contribute to increasing performance, efficiency and safety of operating units of EDF Group. Collaborative research projects are a vital component for EDF R&D, creating an invaluable forum for exchange and knowledge-sharing. Through them, innovations are developed, disseminated, and industrialized. EDF R&D is also a major national player in opensource simulation software development and dissemination. In particular, it develops and disseminates code_aster opensource Finite Elements Software www.code-aster.org. The EDF team leader is Dr Irmela Zentner.