Mechanics of Materials VTU 2022 scheme VTU University 3rd SEM Mechanical Engineering | BME301 notes

Scheme & Syllabus Copy of Mechanics of Materials VTU 2022 scheme

Mechanics of Materials BME301 2022 scheme study material syllabus copy

Syllabus Copy:

Module - 1 - 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:

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:

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

– 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:

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