NEA Mandates and Structures

Working Party on Multi-scale Modelling of Fuels and Structural Materials for Nuclear Systems (WPMM)

Chair(s): Theodore M. BESMANN, United States
Secretary:  Davide COSTA
Member(s):All NEA member countries
Full participant(s): European Commission
Under the NEA Statute
Observer(s)(International Organisation): International Atomic Energy Agency (IAEA)
By agreement
Date of creation:14 June 2007
End of mandate:30 June 2020

Mandate (Document reference):

Mandate (Document extract):

Extract from document NEA/SEN/NSC(2018)7



Under the guidance of the Nuclear Science Committee, the Working Party will deal with materials science aspects of nuclear fuels and structural materials, aiming at establishing multi-scale modelling and simulation as a validated predictive methodology for assessment and/or design purposes.


To develop and maintain international cooperation between member countries on scientific and engineering subjects such as:

Methods of work

To carry out its objectives, the Working Party will provide a framework for joint undertakings to further develop issues under its scope, such as:

The Working Party will interact closely with other relevant NEA working parties, especially with the NSC Working Party on the scientific issues in Fuel Cycle (WPFC).