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BME301 VTU Notes: Mechanics of Materials 2022 PDF

Master structural analysis with our BME301 VTU Notes. Explore stress-strain relations, torsion, and beam deflection for the 2022 Scheme at the all-new vtubuddy.in Mechanical Engineering resource and exam preparation portal.

Mechanics of Materials

BME301

2022 Scheme

Module 1 : Simple stress and strain

Simple stress and strain: Definition/derivation of normal stress, shear stress, and normal strain and shear strain – Stress strain diagram for brittle and ductile materials – Poisson’s ratio & volumetric strain – Elastic constants – relationship between elastic constants and Poisson’s ratio – Generalised Hook’s law – Deformation of simple and compound bars, Resilience, Gradual, sudden, impact and shock loadings – thermal stresses.

Module 2 : Bi-axial Stress system

Bi-axial Stress system: Introduction, plane stress, stresses on inclined sections, principal stresses and maximum shear stresses, graphical method – Mohr’s circle for plane stress. Thick and Thin cylinders: Stresses in thin cylinders, Lame’s equation for thick cylinders subjected to internal and external pressures, Changes in dimensions of cylinder (diameter, length and volume), simple numerical.

Module 3 : Bending moment and Shear forces in beams

Bending moment and Shear forces in beams: Definition of beam – Types of beams – Concept of shear force and bending moment – S.F and B.M diagrams for cantilever, simply supported and overhanging beams subjected to point loads, uniformly distributed loads, uniformly varying loads and combination of these loads – Point of contra flexure.

Module 4 : Theory of simple bending

Theory of simple bending – Assumptions – Derivation of bending equation – Neutral axis – Determination of bending stresses – section modulus of rectangular and circular sections (Solid and Hollow), I, T and Channel sections – Design of simple beam sections, Shear Stresses: Derivation of formula – Shear stress distribution across various beams sections like rectangular, circular, triangular, I, and T sections.

Module 5 : Torsion of circular shafts

Torsion of circular shafts: Introduction, pure torsion, assumptions, derivation of torsional equations, polar modulus, torsional rigidity / stiffness of shafts, power transmitted by solid and hollow circular shafts.