Initial and progressive failure analysis of a composite wing spar structure / Bruce Ralphin Rose.J and Priyadharshini.S

In the present work, a main spar section of a composite wing structure is analyzed for its structural safety in the course of preliminary aircraft design phase. Spar is a spanwise structural member that is used to carry the bending loads and it deals with the self weight of the wing while the airpla...

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Main Authors: Bruce, Ralphin Rose.J, S, Priyadharshini
Format: Article
Language:English
Published: Faculty of Mechanical Engineering & UiTM Press 2017
Subjects:
Online Access:http://ir.uitm.edu.my/id/eprint/21116/
http://ir.uitm.edu.my/id/eprint/21116/1/AJ_Bruce%20Ralphin%20Rose.J%20JME%2017.pdf
id uitm-21116
recordtype eprints
spelling uitm-211162018-10-24T02:42:35Z http://ir.uitm.edu.my/id/eprint/21116/ Initial and progressive failure analysis of a composite wing spar structure / Bruce Ralphin Rose.J and Priyadharshini.S Bruce, Ralphin Rose.J S, Priyadharshini Composite materials Mechanics of engineering. Applied mechanics In the present work, a main spar section of a composite wing structure is analyzed for its structural safety in the course of preliminary aircraft design phase. Spar is a spanwise structural member that is used to carry the bending loads and it deals with the self weight of the wing while the airplane is on the ground as well as it carries the lifting loads during flight. Because of the rolling inertia loads and chord wise bending loads caused by aerodynamic effects, spar structure is vulnerable to different structural failures before the end of safe life cycle. Initial and progressive failure analysis of the spar section is done by using the typical properties of composite materials. Carbon epoxy, Graphite epoxy and Boron epoxy materials are analyzed with their standard material properties to determine the crack initiation and propagation characteristics at different time steps with stress increments. A two-dimensional spar cross section (I - section) is designed with shell as element type and the analysis is done in ABAQUS/CAE by using XFEM for crack initiation. The results obtained through the computational analysis show the variation in crack propagation rate for different composites and it can be utilized to study the fracture mechanics in the detailed design phase of an airplane. Faculty of Mechanical Engineering & UiTM Press 2017 Article PeerReviewed text en http://ir.uitm.edu.my/id/eprint/21116/1/AJ_Bruce%20Ralphin%20Rose.J%20JME%2017.pdf Bruce, Ralphin Rose.J and S, Priyadharshini (2017) Initial and progressive failure analysis of a composite wing spar structure / Bruce Ralphin Rose.J and Priyadharshini.S. Journal of Mechanical Engineering, 14 (2). pp. 167-183. ISSN 1823-5514
repository_type Digital Repository
institution_category Local University
institution Universiti Teknologi MARA
building UiTM Institutional Repository
collection Online Access
language English
topic Composite materials
Mechanics of engineering. Applied mechanics
spellingShingle Composite materials
Mechanics of engineering. Applied mechanics
Bruce, Ralphin Rose.J
S, Priyadharshini
Initial and progressive failure analysis of a composite wing spar structure / Bruce Ralphin Rose.J and Priyadharshini.S
description In the present work, a main spar section of a composite wing structure is analyzed for its structural safety in the course of preliminary aircraft design phase. Spar is a spanwise structural member that is used to carry the bending loads and it deals with the self weight of the wing while the airplane is on the ground as well as it carries the lifting loads during flight. Because of the rolling inertia loads and chord wise bending loads caused by aerodynamic effects, spar structure is vulnerable to different structural failures before the end of safe life cycle. Initial and progressive failure analysis of the spar section is done by using the typical properties of composite materials. Carbon epoxy, Graphite epoxy and Boron epoxy materials are analyzed with their standard material properties to determine the crack initiation and propagation characteristics at different time steps with stress increments. A two-dimensional spar cross section (I - section) is designed with shell as element type and the analysis is done in ABAQUS/CAE by using XFEM for crack initiation. The results obtained through the computational analysis show the variation in crack propagation rate for different composites and it can be utilized to study the fracture mechanics in the detailed design phase of an airplane.
format Article
author Bruce, Ralphin Rose.J
S, Priyadharshini
author_facet Bruce, Ralphin Rose.J
S, Priyadharshini
author_sort Bruce, Ralphin Rose.J
title Initial and progressive failure analysis of a composite wing spar structure / Bruce Ralphin Rose.J and Priyadharshini.S
title_short Initial and progressive failure analysis of a composite wing spar structure / Bruce Ralphin Rose.J and Priyadharshini.S
title_full Initial and progressive failure analysis of a composite wing spar structure / Bruce Ralphin Rose.J and Priyadharshini.S
title_fullStr Initial and progressive failure analysis of a composite wing spar structure / Bruce Ralphin Rose.J and Priyadharshini.S
title_full_unstemmed Initial and progressive failure analysis of a composite wing spar structure / Bruce Ralphin Rose.J and Priyadharshini.S
title_sort initial and progressive failure analysis of a composite wing spar structure / bruce ralphin rose.j and priyadharshini.s
publisher Faculty of Mechanical Engineering & UiTM Press
publishDate 2017
url http://ir.uitm.edu.my/id/eprint/21116/
http://ir.uitm.edu.my/id/eprint/21116/1/AJ_Bruce%20Ralphin%20Rose.J%20JME%2017.pdf
first_indexed 2023-09-18T23:05:52Z
last_indexed 2023-09-18T23:05:52Z
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