Computer Methods in Applied Mechanics and Engineering, ( ISI ), Volume (318), No (6), Year (2017-5) , Pages (594-618)

Title : ( Isogeometric analysis of composite beams with arbitrary cross-section using dimensional reduction method )

Authors: Esmaeel Ghafari , Jalil Rezaee Pazhand ,

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Abstract

A novel isogeometric-based cross-sectional analysis of composite beams with arbitrary cross-section geometry and a one-dimensional composite beam model is presented via the concept of dimensional reduction method. In dimensional reduction method, three-dimensional beam problem is decomposed into a two-dimensional beam cross-sectional analysis and a one-dimensional beam problem. To achieve this goal, warping displacements should be computed by solving a cross-sectional eigenvalue problem. The cross-sectional analysis is accomplished by spline basis functions to describe unknown warping fields as well as beam cross-section geometry in an isogeometric framework. The present method benefits from the exact geometric definition of beam cross-section, greatly simplifying mesh refinement and better convergence in contrast to classical finite element method. The proposed beam cross-sectional analysis is applied to a variety of beam cross-section configurations with isotropic and anisotropic materials, which show good correlation with the available results in the literature.

Keywords

, Dimensional reduction; Beam cross, sectional analysis; Composite beam; Isogeometric analysis
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@article{paperid:1061771,
author = {Ghafari, Esmaeel and Rezaee Pazhand, Jalil},
title = {Isogeometric analysis of composite beams with arbitrary cross-section using dimensional reduction method},
journal = {Computer Methods in Applied Mechanics and Engineering},
year = {2017},
volume = {318},
number = {6},
month = {May},
issn = {0045-7825},
pages = {594--618},
numpages = {24},
keywords = {Dimensional reduction; Beam cross-sectional analysis; Composite beam; Isogeometric analysis},
}

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%0 Journal Article
%T Isogeometric analysis of composite beams with arbitrary cross-section using dimensional reduction method
%A Ghafari, Esmaeel
%A Rezaee Pazhand, Jalil
%J Computer Methods in Applied Mechanics and Engineering
%@ 0045-7825
%D 2017

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