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Bulletin of Materials Science

, Volume 8, Issue 2, pp 93–106 | Cite as

Computer models for fuel element behaviour

  • J R Matthews
Article

Abstract

Over the past 20 years computer modelling of fuel performance has developed into a well-established procedure, which has been valuable in the understanding and the improvement of fuel rod behaviour. The range of computer models presently applied to cylindrical ceramic fuels is reviewed. A critical appraisal is made of the numerical techniques used for mechanical and thermal analysis. The necessity for benchmark calculations is emphasized and various approaches for model validation are discussed. A number of special topics are chosen for deeper discussion. These include: improved description of cladding deformation and the estimation of failure; the analysis of stress concentrations in the cladding; fission gas analysis; and chemical modelling. Finally some speculation is made on the future of fuel rod modelling.

Keywords

Computer modelling nuclear fuels oxide fuels deformation failure heat transfer fission products fission gases 

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Copyright information

© Indian Academy of Sciences 1986

Authors and Affiliations

  • J R Matthews
    • 1
  1. 1.Theoretical Physics DivisionAERE HarwellUK

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