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Use of massively parallel computing to improve modelling accuracy within the nuclear sector

Research output: Contribution to journalArticle

  • Llion Evans
  • Jose David Arregui-Mena
  • P. M. Mummery
  • R Akers
  • E Surrey
  • Anton Shterenlikht
  • M Broggi
  • Lee Margetts
Original languageEnglish
Pages (from-to)215-236
Number of pages22
JournalThe International Journal of Multiphysics
Issue number2
DateAccepted/In press - 1 Jun 2016
DatePublished (current) - Jun 2016


The extreme environments found within the nuclear sector impose large safety factors on modelling analyses to ensure components operate in their desired manner. Improving analysis accuracy has clear value of increasing the design space that could lead to greater efficiency and reliability.

Novel materials for new reactor designs often exhibit non-linear behaviour; additionally material properties evolve due to in-service damage a combination that is difficult to model accurately. To better describe these complex behaviours a range of modelling techniques previously under-pursued due to computational expense are being developed.
This work presents recent advancements in three techniques: Uncertainty quantification (UQ); Cellular automata finite element (CAFE); Image based finite element methods (IBFEM). Case studies are presented demonstrating their suitability for use in nuclear engineering made possible by advancements in parallel computing hardware that is projected to be available for industry within the next decade costing of the order of $100k.

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