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Radially keyed graphite moderator cores: An investigation into the stability of finite element models


Reference:

Taylor, W. R., Warner, M. D., Neighbour, G. B., McEnaney, B. and Clift, S. E., 2002. Radially keyed graphite moderator cores: An investigation into the stability of finite element models. In: Basic studies in the field of high-temperature engineering : second information exchange meeting, Paris, France, 10-12 October 2001. Paris, France: Nuclear Energy Agency, Organisation for Economic Co-operation and Development, pp. 215-223. (Nuclear Science)

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Abstract

Finite element (FE) approaches are widely used to successfully predict the behaviour of engineering structures. However, the mechanical interactions between the keys and blocks in graphite moderator cores present particular computational problems due to the large number of contacting surfaces. Such models can often be computationally unstable. In this study, modelling strategies designed to improve solution stability have been explored. Results indicate that the incorporation inter-layer friction can significantly enhance computational stability.

Details

Item Type Book Sections
CreatorsTaylor, W. R., Warner, M. D., Neighbour, G. B., McEnaney, B. and Clift, S. E.
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
StatusPublished
ID Code2785

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