A symplectic analytical singular element for steady-state thermal conduction with singularities in composite structures

X. F. Hu, H. Y. Gao, W. A. Yao, S. T. Yang

Research output: Contribution to journalArticle

11 Citations (Scopus)
46 Downloads (Pure)

Abstract

In modern design of composite structures, multiple materials with different properties are bound together. Accurate prediction of the strength of the interface between different materials, especially with the existence of cracks under thermal loading, is demanded in engineering. To this end, detailed knowledge on the distribution of temperature and heat flux is required. This study conducts a systematical investigation on the cracks terminated at material interface under steady-state thermal conduction. A new symplectic analytical singular element is constructed for the numerical modeling. Combining the proposed element with conventional finite elements, the generalized flux intensity factors can be solved accurately.
Original languageEnglish
Pages (from-to)406-419
Number of pages8
JournalNumerical Heat Transfer, Part B: Fundamentals
Volume70
Issue number5
DOIs
Publication statusPublished - 24 Oct 2016

Keywords

  • composite structures
  • thermal conduction
  • structure
  • singular elements

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