# Fundamentals of Machine Design for GTU 18 Course (IV- MECH. -3141907)

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1. Basics of Stress and Strain 3 - D state of stress (Concept only) Normal/axial stresses : Tensile & compressive Stresses : Shear and complementary shear Strains : Linear, shear, lateral, thermal and volumetric. Hooke’s law, Elastic Constants : Modulus of elasticity, Poisson’s ratio, Modulus of rigidity and bulk modulus and relations between them with derivation. (Chapter - 1) 2. Moment of Inertia of Planar Cross - Sections Derivation of equation of moment of inertia of standard lamina using first principle, Parallel & perpendicular axes theorems, polar moment of inertia. (Chapter - 2) 3. Flexural Stresses Theory of simple bending, Assumptions, derivation of equation of bending, neutral axis, determination of bending stresses, section modulus of rectangular & circular (solid & hollow), I,T, Angle, channel sections. (Chapter - 3) 4. Torsion Derivation of equation of torsion, Assumptions, application of theory of torsion equation to solid & hollow circular shaft, torsional rigidity. (Chapter - 4) 5. Introduction to Machine Design Design procedure, Selection of preferred sizes, Aesthetic and Ergonomic considerations in Design, Manufacturing considerations in Design, Mechanical Properties of Materials, Effect of Alloying elements and heat treatment on properties of steels, Materials Selection in Machine Design, Standardization (Chapter - 5) 6. Design Against Static Load Concepts of stresses and Strain, Combinations of Axial, Shear, Torsional and Bending loads; Theories of Failures : Distortion energy (von Mises), Maximum-Shear stress, Maximum Principal stress, Selection and Use of theories of failures; Factor of safety, Contact stresses, Crushing and Bearing stress. Application Problems : Eccentric Loading; Cotter and Knuckle Joints; Design and analysis of levers : Cranked, Bell crank, Foot, Rocker arm. (Chapters - 6, 7) 7. Beams and Columns 8. Shafts and Keys 9. Power Screws and Threaded Joints 10. Design Against Fluctuating Loads

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Pages: 796 Edition: 2024 Vendors: Technical Publications