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Prediction of stress and displacement fields in stress concentration regions by least squares asymptotic analysis of displacement data
Author(s) -
Dhillon S S,
Thompson J C
Publication year - 1990
Publication title -
strain
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.477
H-Index - 47
eISSN - 1475-1305
pISSN - 0039-2103
DOI - 10.1111/j.1475-1305.1990.tb01883.x
Subject(s) - displacement (psychology) , least squares function approximation , stress (linguistics) , boundary (topology) , mathematics , enhanced data rates for gsm evolution , mathematical analysis , geometry , mechanics , physics , statistics , computer science , psychology , linguistics , philosophy , estimator , psychotherapist , telecommunications
This paper demonstrates that highly accurate predictions of the stress fields, including the peak stress of a stress concentration region, can be obtained easily by a least squares asymptotic analysis (LSAA) of even a relatively sparse set of displacement data from points in this zone lying sufficiently far from the boundary to avoid ‘edge effects’.