Finite element modelling study on delamination behavior of composite material

Mat Nasir, Mohamad Afiq Danial (2023) Finite element modelling study on delamination behavior of composite material. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

In recent years, the usage of composite materials has become more prominent in a number of industries, including automotive and aerospace. However, because of their high prices, distinctive qualities, and heterogeneity-related implications, they provide difficult research gaps. As a result, composite materials exposed to the most unusual circumstances have been studied using the finite element approach. In order to simulate composite materials, this study focuses on material attributes, failure criteria, element kinds, and benchmark between FEM simulation and theoretical data. From the modelling point of view, it is to model and simulate three-bending flexural testing by using ANSYS Composite PrepPost on the balanced-symmetry layup, quasi-isotropic layup, and unidirectional layup by changing its fibre orientation layers. When it comes to their properties, various mechanical traits, theories, and constitutive relationships used to model these materials are discussed which is the Epoxy Carbon Woven (230 GPa) Prepreg. The text also discusses the types of data gathering which is total deformation, equivalent Von-Misses stress and equivalent elastic strain. In addition, to evaluate the benchmark of equivalent elastic strain between the FEM simulation and the theoretical data of the specimens.

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