Course Details
Subject {L-T-P / C} : CE6233 : Composite Structures { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Kishore Chandra Biswal
Syllabus
Introduction: Classification and characteristics of Composite materials, advantages and limitations, Basic Concepts and characteristics: Homogeneity and Heterogeneity, Isotropy, Orthotropy and Anisotropy Characteristics and configurations of lamina, laminate, micromechanics and macromechanics. Constituent materials and properties
Elastic properties of the unidirectional lamina: Anisotropic, orthotropic and transversely isotropic materials, Stress-strain relations, Engineering constants, Transformation of stress and strain, Transformation of engineering constants, typical elastic properties of a unidirectional lamina.
Failure Theories and Strength of a unidirectional lamina: Micromechanics of failure of unidirectional lamina, Failure theories- Maximum stress theory, maximum strain theory, Deviatoric strain energy theory (Tsai-Hill), Interactive tensor polynomial theory (Tsai-Wu).
Elastic Behavior of multidirectional laminates: Basic assumptions, Stress-strain relations, load deformation relations, symmetric and balanced laminates, laminate engineering properties, Hygrothermal effects in laminates:
Analysis of composite beam: Definitions, basic assumptions, bending analysis of laminated beams.
Bending of laminated plates: Governing equations, Deflection of simply supported rectangular symmetric angle-ply, specially orthotropic, anti-symmetric cross-ply lamina.
Introduction to Functionally graded materials.
Course Objectives
- Students should learn the advantages and drawbacks of composites over metals.
- Students should develop mathematical models for analysis of composite structures.
- Students should use the above mathematical models to design composite structures.
Course Outcomes
1: Students will be able to develop mathematical models to understand the mechanical response of composite to mechanical and hygrothermal loads. <br />2: Students will be able to estimate the strength properties of unidirectional laminates. <br />3: Students will be able to analyze and design structures made of composites.
Essential Reading
- R.M. Jones, Mechanics of Composite materials, Taylor and Francis , -
- I. M. Daniel and O. Ishai, Engineering mechanics of Composite materials, Oxford university press , -
Supplementary Reading
- D. Hull and T. W. Clyne, An introduction to composite materials, Cambridge university press , -
- J.N. Reddy, Mechanics of laminated composite plates and shells-Theory and Analysis, CRC Press , -
Journal and Conferences
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