UNIT - I INTRODUCTION, LAMINA CONSTITUTIVE EQUATIONS & MANUFACTURING

1.1 Definition - Need - General Characteristics, Applications. Fibers - Glass, Carbon, Ceramic and Aramid fibers.

1.2 Matrices - Polymer, Graphite, Ceramic and Metal Matrices - Characteristics of fibers and matrices.

1.3 Lamina Constitutive Equations: Lamina Assumptions - Macroscopic Viewpoint. Generalized Hooke’s Law.

1.4 Reduction to Homogeneous Orthotropic Lamina - Isotropic limit case, Orthotropic Stiffness matrix (Qij), Typical Commercial material properties, Rule of Mixtures.

1.5 Generally Orthotropic Lamina - Transformation Matrix, Transformed Stiffness.

1.6 Manufacturing: Bag Moulding, Compression Moulding - Pultrusion - Filament Winding - Other Manufacturing Processes

UNIT - II FLAT PLATE LAMINATE CONSTITUTE EQUATIONS

2.1 Definition of stress and Moment Resultants. Basic Assumptions of Laminated anisotropic plates. Strain Displacement relations

2.2 Laminate Constitutive Equations,Coupling Interactions, Symmetric Laminates,Balanced Laminates, Angle Ply Laminates, Cross Ply Laminates

2.3 Laminate Structural Moduli,Evaluation of Lamina Properties from Laminate tests

2.4 Quasi-Isotropic Laminates.Determination of Lamina stresses within Laminates.

UNIT - III LAMINA STRENGTH ANALYSIS

3.1 Introduction - Maximum Stress and Strain Criteria

3.2 Von-Misses Yield criterion for Isotropic Materials.

3.3 Generalized Hill’s Criterion for Anisotropic materials.

3.4 Tsai-Hill’s Failure Criterion for Composites

3.5 Tensor Polynomial (Tsai-Wu) Failure criterion

UNIT - IV THERMAL ANALYSIS

4.1 Assumption of Constant C.T.E’s,Modification of Hooke’s Law, Modification of Laminate Constitutive Equations

4.2 Orthotropic Lamina C.T.E’s. C.T.E’s for special Laminate Configurations, Unidirectional, Off-axis,Symmetric Balanced Laminates, Zero C.T.E laminates Thermally Quasi-Isotropic Laminates

UNIT - V ANALYSIS OF LAMINATED FLAT PLATES

5.1 Equilibrium Equations of Motion, Energy Formulations.

5.2 Static Bending Analysis. Buckling Analysis.

5.3 Free Vibrations - Natural Frequencies.