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Computer models for fuel element behaviour

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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.

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Authors and Affiliations

  1. Theoretical Physics Division, AERE Harwell, UK

    J R Matthews

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  1. J R Matthews
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Matthews, J.R. Computer models for fuel element behaviour. Bull. Mater. Sci. 8, 93–106 (1986). https://doi.org/10.1007/BF02744175

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