Plate/shell element of variable thickness based on the absolute nodal coordinate formulation

L. K. Abbas; X. Rui; Z. S. Hammoudi

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Plate/shell element of variable thickness based on the absolute nodal coordinate formulation

机译：Plate/shell element of variable thickness based on the absolute nodal coordinate formulation

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摘要

For almost a decade, static and dynamic analyses of large rotation and deformation are carried out using finite-element absolute nodal coordinate formulation (ANCF). In this context, a three-dimensional rectangular plate/shell element of variable thickness based on ANCF has been developed. In the approach to the problem, a continuum mechanics approach for the definition of elastic forces within the finite element is considered. Both shear strain and transverse normal strain are taken into account. All formulations and computations are built up in FORTRAN 90 computer program after it was confirmed by Mathematica 5 software. Four case studies are analysed for eigenfrequencies to conform the accuracy of the developed formulation. Results of analyses demonstrate that the presented formulation agrees well with the experimental analysis of published researches or with results obtained from known commercial software. However, some results indicate that the known problem of locking (ANCF with uniform thickness) persists in the current developed formulation.

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《Proceedings of the Institution of Mechanical Engineers, Part K. Journal of Multi-body Dynamics》 |2010年第2期|127-141|共15页
作者
L. K. Abbas; X. Rui; Z. S. Hammoudi;
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作者单位

School of Power Engineering, Institute of Launch Dynamics, Nanjing University of Science and Technology;

Department of Mechanical Engineering, University of Technology;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类机械动力学;
关键词
Absolute nodal coordinate formulation; Variable thickness; Plate/shell; Flexible multi-body dynamics; Eigen-problem finite-element method;

Plate/shell element of variable thickness based on the absolute nodal coordinate formulation

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