Analysis of swept plates with structural reduction using transition element concept

Somashekar, BR and Ram, Nanjunda CS (1984) Analysis of swept plates with structural reduction using transition element concept. Computers and Structures, 18 (3). pp. 409-416. ISSN 0045-7949

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Near the fixed end boundaries of cantilever swept plates, a high stress variation, especially in a near13; singular fashion at the re-entrant corner, requires that at least at this region, one requires an analysis with a high13; precision triangular plate bending element. An idealisation of an entire swept plate, especially one of large aspect13; ratio, by high precision elements may be uneconomical and the approximation of regions away from the boundary13; by a suitable beam element will achieve a considerable reduction in problem size. Thus one can achieve a structural13; reduction of the swept plate problem by the use of plate elements in regions of high stress variation, beam elements13; in regions away from the kinematically constrained boundaries and a variationally condensed transition plate/beam13; element which will have the nodes and degrees of freedom of high precision CI continuous plate elements along13; one boundary and the node and degrees of freedom of a beam element along the other boundary. This interphase13; element will provide the required transition from thin plate to thin beam behaviour. In this paper, extensive results13; indicate a considerable reduction in nroblem size and solution time without significant loss of accuracy in stresses.13; displacements and slopes.

Item Type: Article
Additional Information: Copyright for this article belongs to Elsevier Science Ltd.,
Uncontrolled Keywords: Cantilever plates;Finite element method;Plate theory;Structural analysis;Swept wings;Bending moments;Kinematics;Numerical analysis;Stress analysis
Subjects: ENGINEERING > Structural Mechanics
Depositing User: Ms. Alphones Mary
Date Deposited: 08 Feb 2010
Last Modified: 24 May 2010 04:09

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