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A state space finite element for laminated composites with free edges and subjected to transverse and in-plane loads

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A state space finite element for laminated composites with free edges and subjected to transverse and in-plane loads. / Ye, J Q ; Sheng, H Y ; Qin, Q H .

In: Computers and Structures, Vol. 82, No. 15-16, 06.2004, p. 1131-1141.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Ye, J Q ; Sheng, H Y ; Qin, Q H . / A state space finite element for laminated composites with free edges and subjected to transverse and in-plane loads. In: Computers and Structures. 2004 ; Vol. 82, No. 15-16. pp. 1131-1141.

Bibtex

@article{885b8d776e96432199342f46dbbdadf4,
title = "A state space finite element for laminated composites with free edges and subjected to transverse and in-plane loads",
abstract = "On the basis of the theory of three-dimensional elasticity, this paper presents a state space finite element solution for the stresses in cross-ply laminates subjected to combined transverse and in-plane loads. The state space formulation is introduced to solve for through-thickness stress distributions, while the traditional finite elements are used to approximate in-plane variations of the state variables. One of the direct applications of this solution is for the analysis of free-edge effect in cross-ply laminates. By appropriately describing the applied in-plane boundary tractions or boundary displacements, plates having complete free edges or boundary cross-sections with localized stress-free surfaces can be analyzed. Compared with the traditional finite element method, the new solution provides not only continuous through-thickness distributions of both displacements and transverse stresses, but also excellent approximations to the stress singularities in the vicinity of free edges or the above-mentioned localized stress-free surfaces. (C) 2004 Elsevier Ltd. All rights reserved.",
author = "Ye, {J Q} and Sheng, {H Y} and Qin, {Q H}",
year = "2004",
month = jun,
doi = "10.1016/j.compstruc.2004.03.020",
language = "English",
volume = "82",
pages = "1131--1141",
journal = "Computers and Structures",
issn = "0045-7949",
publisher = "Elsevier Limited",
number = "15-16",

}

RIS

TY - JOUR

T1 - A state space finite element for laminated composites with free edges and subjected to transverse and in-plane loads

AU - Ye, J Q

AU - Sheng, H Y

AU - Qin, Q H

PY - 2004/6

Y1 - 2004/6

N2 - On the basis of the theory of three-dimensional elasticity, this paper presents a state space finite element solution for the stresses in cross-ply laminates subjected to combined transverse and in-plane loads. The state space formulation is introduced to solve for through-thickness stress distributions, while the traditional finite elements are used to approximate in-plane variations of the state variables. One of the direct applications of this solution is for the analysis of free-edge effect in cross-ply laminates. By appropriately describing the applied in-plane boundary tractions or boundary displacements, plates having complete free edges or boundary cross-sections with localized stress-free surfaces can be analyzed. Compared with the traditional finite element method, the new solution provides not only continuous through-thickness distributions of both displacements and transverse stresses, but also excellent approximations to the stress singularities in the vicinity of free edges or the above-mentioned localized stress-free surfaces. (C) 2004 Elsevier Ltd. All rights reserved.

AB - On the basis of the theory of three-dimensional elasticity, this paper presents a state space finite element solution for the stresses in cross-ply laminates subjected to combined transverse and in-plane loads. The state space formulation is introduced to solve for through-thickness stress distributions, while the traditional finite elements are used to approximate in-plane variations of the state variables. One of the direct applications of this solution is for the analysis of free-edge effect in cross-ply laminates. By appropriately describing the applied in-plane boundary tractions or boundary displacements, plates having complete free edges or boundary cross-sections with localized stress-free surfaces can be analyzed. Compared with the traditional finite element method, the new solution provides not only continuous through-thickness distributions of both displacements and transverse stresses, but also excellent approximations to the stress singularities in the vicinity of free edges or the above-mentioned localized stress-free surfaces. (C) 2004 Elsevier Ltd. All rights reserved.

U2 - 10.1016/j.compstruc.2004.03.020

DO - 10.1016/j.compstruc.2004.03.020

M3 - Journal article

VL - 82

SP - 1131

EP - 1141

JO - Computers and Structures

JF - Computers and Structures

SN - 0045-7949

IS - 15-16

ER -