Research of stress concentration at closely placed holes in wing bearing area in anisotropic plates
1
Lviv Polytechnic National University
2
Flight Academy of the National Aviation University
3
University of Technology and Life Science
Submission date: 2022-07-04
Final revision date: 1970-01-01
Acceptance date: 2022-10-10
Online publication date: 2022-10-12
Publication date: 2022-10-12
Diagnostyka 2022;23(4):2022402
KEYWORDS
composite materialsstress concentrationboundary integral equations methodplates with holeswing bearing area
TOPICS
ABSTRACT
In this article effective approach of the study of high-stress concentration at closely placed holes in wing bearing area (in anisotropic plates) is proposed. It is based on the boundary integral equation method with the additional use of the asymptotic method. The simplicity, precision of the approach and the stability of the solution are illustrated in the calculation of stresses in the plate with a circular hole, an elliptical hole, elongated holes, a plate with two closely spaced elliptical holes.
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