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The effect of fiber orientation on progressive failure of composite plates / Zaharuddin Muhammad

The objective of this thesis is to analyze the effect of fiber orientation on progressive failure of composite plates. A mathematical model and computational model are presented for the analysis. Higher Order Shear Deformation Theory is utilized to predict the deformation of the plates. A failure cr...

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Main Author: Muhammad, Zaharuddin
Format: Thesis
Language:English
Published: 2004
Online Access:https://ir.uitm.edu.my/id/eprint/73923/1/73923.pdf
https://ir.uitm.edu.my/id/eprint/73923/
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spelling my.uitm.ir.739232024-05-20T07:16:33Z https://ir.uitm.edu.my/id/eprint/73923/ The effect of fiber orientation on progressive failure of composite plates / Zaharuddin Muhammad Muhammad, Zaharuddin The objective of this thesis is to analyze the effect of fiber orientation on progressive failure of composite plates. A mathematical model and computational model are presented for the analysis. Higher Order Shear Deformation Theory is utilized to predict the deformation of the plates. A failure criterion with the existence of coupling terms to determine the mode of failure for composite plates is employed to predict the failure. The selection of this criterion is made because of its uniqueness that it includes the coupling terms, which relate the interaction between the longitudinal stress and the transverse stresses. A program based on a finite element method is utilized by using Fortran-90 to determine the lamina stresses. These stresses are then used in the present failure model to determine the First Ply Failure and Last Ply Failure. From the analysis, it is found that the fiber orientation affected the progressive failure of the composite plates. Fiber orientation due to different lay-up will give different progressive failure load to constitute First Ply Failure and Last Ply Failure of the plates. From the results, we found that the best lay-up for this orientation is (0/45/45/0). The analysis has been proved by comparing the results of failure curves. In conclusion the objective of this research is successfully achieved. Perhaps in future, this thesis can offer better prediction of failure to engineers and designers in their designing work of composite structures. 2004 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/73923/1/73923.pdf The effect of fiber orientation on progressive failure of composite plates / Zaharuddin Muhammad. (2004) Degree thesis, thesis, Universiti Teknologi MARA (UiTM).
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
description The objective of this thesis is to analyze the effect of fiber orientation on progressive failure of composite plates. A mathematical model and computational model are presented for the analysis. Higher Order Shear Deformation Theory is utilized to predict the deformation of the plates. A failure criterion with the existence of coupling terms to determine the mode of failure for composite plates is employed to predict the failure. The selection of this criterion is made because of its uniqueness that it includes the coupling terms, which relate the interaction between the longitudinal stress and the transverse stresses. A program based on a finite element method is utilized by using Fortran-90 to determine the lamina stresses. These stresses are then used in the present failure model to determine the First Ply Failure and Last Ply Failure. From the analysis, it is found that the fiber orientation affected the progressive failure of the composite plates. Fiber orientation due to different lay-up will give different progressive failure load to constitute First Ply Failure and Last Ply Failure of the plates. From the results, we found that the best lay-up for this orientation is (0/45/45/0). The analysis has been proved by comparing the results of failure curves. In conclusion the objective of this research is successfully achieved. Perhaps in future, this thesis can offer better prediction of failure to engineers and designers in their designing work of composite structures.
format Thesis
author Muhammad, Zaharuddin
spellingShingle Muhammad, Zaharuddin
The effect of fiber orientation on progressive failure of composite plates / Zaharuddin Muhammad
author_facet Muhammad, Zaharuddin
author_sort Muhammad, Zaharuddin
title The effect of fiber orientation on progressive failure of composite plates / Zaharuddin Muhammad
title_short The effect of fiber orientation on progressive failure of composite plates / Zaharuddin Muhammad
title_full The effect of fiber orientation on progressive failure of composite plates / Zaharuddin Muhammad
title_fullStr The effect of fiber orientation on progressive failure of composite plates / Zaharuddin Muhammad
title_full_unstemmed The effect of fiber orientation on progressive failure of composite plates / Zaharuddin Muhammad
title_sort effect of fiber orientation on progressive failure of composite plates / zaharuddin muhammad
publishDate 2004
url https://ir.uitm.edu.my/id/eprint/73923/1/73923.pdf
https://ir.uitm.edu.my/id/eprint/73923/
_version_ 1800100671236603904
score 13.211869

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