Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim

The engineering applications using composite materials are widely growth due to the high strength to weight ratio. It is crucial to understand the failure of composite laminates to enhance the full potential of composite materials. Nevertheless, performing experiments to obtain the strength of failu...

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Main Author:	Abdul Rahim, Mastura
Format:	Thesis
Language:	English
Published:	2016
Online Access:	http://ir.uitm.edu.my/id/eprint/17676/ http://ir.uitm.edu.my/id/eprint/17676/2/TM_MASTURA%20ABDUL%20RAHIM%20EM%2016_5.pdf

id	uitm-17676
recordtype	eprints
spelling	uitm-176762018-10-05T03:36:17Z http://ir.uitm.edu.my/id/eprint/17676/ Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim Abdul Rahim, Mastura The engineering applications using composite materials are widely growth due to the high strength to weight ratio. It is crucial to understand the failure of composite laminates to enhance the full potential of composite materials. Nevertheless, performing experiments to obtain the strength of failure is tedious and expensive procedure. Thus, a reliable failure prediction tools are needed. This study aims to develop finite element model of laminated composite plate subjected to the uniaxial and biaxial tension load to predict failure. A significant feature of the methodology is it rely on customized user-subroutines of FE programme (MATLAB) and on the analysis capability of the FE software (ANSYS) to predict failure of composite laminates. High Order Shear Deformation Theory (HSDT) is employed to model deformation and stress of laminated composite plate. The stress obtained is used in the failure criteria (Maximum stress theory and Tsai Wu) to predict the first ply failure (FPF) and last ply failure (LPF) of laminated plates. Two case studies were carried out using analytical method in order to validate the FE programme (MATLAB). Four numerical case studies are performed as numerical assessment and the results of FE computational approaches (MATLAB and ANSYS) are compared with available experimental results which the maximum errors were found 23.42% (ANSYS), 22.72% (MATLAB) and 8.45% (ANSYS), 8.09% (MATLAB) for Case study 1 and 2, respectively. The results of numerical assessment have shown that the FE programme (MATLAB) gives a better prediction in failure analysis for the laminated composite plate. It proves that the FE programme using MATLAB has the ability to perform failure analysis of composite laminates more accurate compared to the FE software package (ANSYS). This study is significant and contributed to enhance knowledge about the failure behaviour of laminated composite plate. 2016 Thesis NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/17676/2/TM_MASTURA%20ABDUL%20RAHIM%20EM%2016_5.pdf Abdul Rahim, Mastura (2016) Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim. Masters thesis, Universiti Teknologi MARA.
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Teknologi MARA
building	UiTM Institutional Repository
collection	Online Access
language	English
description	The engineering applications using composite materials are widely growth due to the high strength to weight ratio. It is crucial to understand the failure of composite laminates to enhance the full potential of composite materials. Nevertheless, performing experiments to obtain the strength of failure is tedious and expensive procedure. Thus, a reliable failure prediction tools are needed. This study aims to develop finite element model of laminated composite plate subjected to the uniaxial and biaxial tension load to predict failure. A significant feature of the methodology is it rely on customized user-subroutines of FE programme (MATLAB) and on the analysis capability of the FE software (ANSYS) to predict failure of composite laminates. High Order Shear Deformation Theory (HSDT) is employed to model deformation and stress of laminated composite plate. The stress obtained is used in the failure criteria (Maximum stress theory and Tsai Wu) to predict the first ply failure (FPF) and last ply failure (LPF) of laminated plates. Two case studies were carried out using analytical method in order to validate the FE programme (MATLAB). Four numerical case studies are performed as numerical assessment and the results of FE computational approaches (MATLAB and ANSYS) are compared with available experimental results which the maximum errors were found 23.42% (ANSYS), 22.72% (MATLAB) and 8.45% (ANSYS), 8.09% (MATLAB) for Case study 1 and 2, respectively. The results of numerical assessment have shown that the FE programme (MATLAB) gives a better prediction in failure analysis for the laminated composite plate. It proves that the FE programme using MATLAB has the ability to perform failure analysis of composite laminates more accurate compared to the FE software package (ANSYS). This study is significant and contributed to enhance knowledge about the failure behaviour of laminated composite plate.
format	Thesis
author	Abdul Rahim, Mastura
spellingShingle	Abdul Rahim, Mastura Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim
author_facet	Abdul Rahim, Mastura
author_sort	Abdul Rahim, Mastura
title	Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim
title_short	Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim
title_full	Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim
title_fullStr	Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim
title_full_unstemmed	Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim
title_sort	finite element implementation to predict failure of composite laminate / mastura abdul rahim
publishDate	2016
url	http://ir.uitm.edu.my/id/eprint/17676/ http://ir.uitm.edu.my/id/eprint/17676/2/TM_MASTURA%20ABDUL%20RAHIM%20EM%2016_5.pdf
first_indexed	2023-09-18T22:58:49Z
last_indexed	2023-09-18T22:58:49Z
_version_	1777418034947817472

Finite element implementation to predict failure of composite laminate / Mastura Abdul Rahim

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