Stress singularities in swept cantilever plates

Somashekar, BR and Prathap, Gangan (1983) Stress singularities in swept cantilever plates. Aeronautical Society of India, Journal, 35. pp. 107-111. ISSN 0001-9267

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The finite-element method is used to study stress singularities in swept cantilever plates for the examples of triangular plates and delta wings. It is shown that the singularities at the corners where the fixed and free edges of the cantilever plate meet play an important role in determining the stress-variation pattern along the fixed edge of a transversely loaded plate. The strength of the singularity at the corner is shown to depend mainly on the sweep of the plate and the obtuseness of the angle of the free trailing edge13; makes with the fixed edge. The stresses can show a 'boundary layer'13; effect if the angles are acute. As the angles become more obtuse, the13; peak-stress strength increases and the peak stresses move to the13; corner and remain there.

Item Type: Article
Uncontrolled Keywords: Aircraft design;Cantilever plates;Plate theory;Stress analysis;Swept wings;Delta wings; Finite element method;Singularity (mathematics);Trailing edges
Subjects: ENGINEERING > Structural Mechanics
Depositing User: Ms. Alphones Mary
Date Deposited: 20 Jun 2005
Last Modified: 24 May 2010 04:09

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