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THE DEVELOPMENT OF CREEP SINGULAR FIELDS FOR DEFECTS IN THERMALLY LOADED STRUCTURES
Author(s) -
Joch J.,
Ainsworth R. A.
Publication year - 1992
Publication title -
fatigue and fracture of engineering materials and structures
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 84
eISSN - 1460-2695
pISSN - 8756-758X
DOI - 10.1111/j.1460-2695.1992.tb01306.x
Subject(s) - creep , thermal , amplitude , development (topology) , finite element method , materials science , field (mathematics) , structural engineering , mechanics , composite material , mathematical analysis , mathematics , engineering , physics , thermodynamics , optics , pure mathematics
— This paper provides an initial examination of the development of singular fields for defects in creeping structures for combined mechanical and thermal loading. Finite‐element analyses are reported for cylindrical and plate geometries with different ratios of mechanical and thermal loading. It is shown that approximations for estimating the time‐development of the amplitude of the singular fields are given by formulae developed previously for mechanical loading, provided a normalised timescale is defined appropriately.