A DXDR large deflection analysis of uniformly loaded square, circular and elliptical orthotropic plates using non-uniform rectangular finite-differences

Kadkhodayan, Mehran and Alamatian, J. and Turvey, Geoffrey and Erfani Moghadam, A. (2012) A DXDR large deflection analysis of uniformly loaded square, circular and elliptical orthotropic plates using non-uniform rectangular finite-differences. Journal of Mechanical Science and Technology, 26 (10). pp. 3231-3242. ISSN 1738-494X

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Abstract

A finite-difference analysis of the large deflection response of uniformly loaded square, circular and elliptical clamped and simply-supported orthotropic plates is presented. Several types of non-uniform (graded) mesh are investigated and a mesh suited to the curved boundary of the orthotropic circular and elliptical plate is identified. The DXDR method-a variant of the DR (dynamic relaxation) method-is used to solve the finite-difference forms of the governing orthotropic plate equations. The DXDR method and irregular rectilinear mesh are combined along with the Cartesian coordinates to treat all types of boundaries and to analyze the large deformation of non-isotropic circular/elliptical plates. The results obtained from plate analyses demonstrate the potential of the non-uniform meshes employed and it is shown that they are in good agreement with other results for square, circular and elliptical isotropic and orthotropic clamped and simply-supported plates in both fixed and movable cases subjected to transverse pressure loading.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Mechanical Science and Technology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2210
Subjects:
ID Code:
60724
Deposited By:
Deposited On:
14 Dec 2012 15:18
Refereed?:
Yes
Published?:
Published
Last Modified:
24 Jan 2020 01:56