2 Days Workshop on Mechanics of Composite Materials & Composite Material Property Development by Multiscale Simulation Approach

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About Course

Introduction

A composite is a structural material that consists of two or more combined constituents of materials that are combined at a macroscopic level and are not soluble in each other. One constituent material is called the reinforcing phase and the one in which it is embedded is called the matrix. The reinforcing phase material may be in the form of fibers, particles, or flakes. The matrix phase materials are generally continuous. Now a days many products use composite components or structures, taking advantage of the increased structural strength and stiffness to weight ratios, simpler manufacturing process or more innovative design capability that composites bring. Composite material properties, mechanical behaviour and manufacture aspects differ from that of the conventional materials. Hence one should have the basic knowledge of their constituent’s mechanical behaviour, mechanics, failures, manufacturing methods and its applications in different field.

 

What Will You Learn?

  • - Fundamentals of Composite Materials
  • - Mechanics of Composite Materials
  • - Micro, Macro Analysis
  • - Multiscale Material Modeling & Homogenization Analysis
  • - Linear and Nonlinear Material Property development

Course Content

Introduction to Composite Materials
Definition, History of Composite Materials, Classification, Types of matrices and reinforcements, characteristics and selection. Limitations in the use of Composites.

Macro-Mechanical Analysis of a Lamina
Mechanics Terminology, Micro Mechanics of Lamina, Macro Mechanics of Lamina, Generalised Hooke’s law for different materials, number of elastic constants, Two – dimensional relationship of compliance and stiffness matrix. Hooke’s law for 2-D angle lamina, Engineering constants – angle lamina, Invariants.

Micro-Mechanical Analysis of a Lamin
Introduction, Volume and Mass Fractions, Density, and Void Content. Evaluation of the four elastic moduli – Strength of Materials Approach, Semi-Empirical Models, Elasticity Approach

Macro Mechanical Analysis of Laminate
Introduction, Code, Stress–Strain Relations for a Laminate, Strain-Displacement Equations, , Force and Moment Resultant, In-Plane and Flexural Modulus of a Laminate, Hygrothermal Effects in a Laminate.

Fundamentals of Homogenization Analysis

Practical Session on prediction of Material Properties – Linear
Elastic Analysis - Elastic modulus, Poisson's ratio, Shear elastic modulus, Linear expansion coefficient, Density. Heat Transfer Analysis - Thermal conductivity, Specific heat. Penetration Analysis - Permeability for Darcy's law. Electric Current Analysis - Electrical resistivity. Electric Field Analysis - Specific permittivity. Magnetic Field Analysis - Specific magnetic permeability.

Practical Session on prediction of Material Properties – Nonlinear
Homogenization Analysis (numerical material test) - Elasto-plasticity, Creep, Hyper-elastic, Viscoelastic, Piezo-electric, Damage. Homogenization Analysis (physical properties identified) - Elasto-plasticity, Creep, Hyper-elastic, Viscoelastic. Localization - Geometric non-linear, Non-linear material (Elasto-plasticity, Creep, Hyper-elastic, Viscoelastic)

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