Analysis of cracked aluminum plates with one-sided patch repair using p-convergent layered model

Title
Analysis of cracked aluminum plates with one-sided patch repair using p-convergent layered model
Author(s)
우광성P.K. Basu[P.K. Basu]안재석[안재석]
Keywords
STRESS INTENSITY FACTORS; GEOMETRICALLY NONLINEAR-ANALYSIS; BONDED COMPOSITE PATCH; GROWTH-BEHAVIOR; COMPUTATION; ELEMENT; VERSION; PANELS; NOTCH
Issue Date
201003
Publisher
ELSEVIER SCIENCE BV
Citation
FINITE ELEMENTS IN ANALYSIS AND DESIGN, v.46, no.5, pp.438 - 448
Abstract
Patch repair is sometimes used to enhance the service life of a damaged structure. In this study, p-convergent layered model is proposed for the analysis of patch repair. Without sacrificing the 3-D character, for ease of modeling and computational efficiency, 2-D layered model is used assuming linear in-plane strain variation and constant strain across the thickness. The p-level of displacement components is varied from 1 to 10. The effect of such repair on the stress intensity factor based on LEFM and the stress field near the crack tip are investigated. In three cases of cracked panels considered, the results are compared with published values. Apart from significantly modifying the response quantities, bending action in the presence of patches is noted. (C) 2010 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/22759http://dx.doi.org/10.1016/j.finel.2010.01.008
ISSN
0168-874X
Appears in Collections:
공과대학 > 건설시스템공학과 > Articles
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