Mechanics of Materials Syllabus for VTU BE/B.Tech CBCS 2015-16

Mechanics of Materials Syllabus for VTU BE/B.Tech Mechanical Engineering third sem complete syllabus covered here. This will help you understand complete curriculum along with details such as exam marks and duration. The details are as follows.

Subject Code	15 ME 34	IA Marks	20
Number of Lecture Hours/Week	4	Exam Marks	80
Total Number of Lecture Hours	50	Exam Hours	3

CREDITS – 04

COURSE OBJECTIVES

• Classify the stresses into various categories and define elastic properties of materials and compute stress and strain intensities caused by applied loads in simple and compound sections and temperature changes.
• Derive the equations for principal stress and maximum in-plane shear stress and calculate their magnitude and direction. Draw Mohr circle for plane stress system and interpret this circle.
• Determine the shear force, bending moment and draw shear force and bending moment diagrams, describe behavior of beams under lateral loads.
• Explain the structural behavior of members subjected to torque, Calculate twist and stress induced in shafts subjected to bending and torsion.
• Understand the concept of stability and derive crippling loads for columns.
• Understand the concept of strain energy and compute strain energy for applied loads

COURSE OUTCOMES

	Course Outcomes		Course Level
CO 1	Understand simple, compound, thermal stresses and strains their relations, Poisson’s ratio, Hooke’s law, mechanical properties including elastic constants and their relations	PO1	U
CO 2	Determine stresses, strains and deformations in bars with varying circular and rectangular cross-sections subjected to normal and temperature loads	PO1,	Ap
CO 3	Determine plane stress, principal stress, maximum shear stress and their orientations using analytical method and Mohr’s circle	PO1,	Ap
CO 4	Determine the dimensions of structural members including beams, bars and rods using Energy methods and also stress distribution in thick and thin cylinders	PO1,	Ap
CO 5	Draw SFD and BMD for different beams including cantilever beams, simply supported beams and overhanging beams subjected to UDL, UVL, Point loads and couples	PO1,	Ap
CO 6	Determine dimensions, bending stress, shear stress and its distribution in beams of circular, rectangular, symmetrical I and T sections subjected to point loads and UDL	PO1,	Ap
CO 7	Determine slopes and deflections at various points on beams subjected to UDL, UVL, Point loads and couples	PO1,	Ap
CO 8	Determine the dimensions of shafts based on torsional strength, rigidity and flexibility and also elastic stability of columns using Rankin’s and Euler’s theory	PO1,	Ap
	Total Hours of instruction		50

MODULE 1

Stress and Strain: Introduction, Hooke’s law, Calculation of stresses in straight, Stepped and tapered sections,Composite sections, Stresses due to temperature change, Shear stress and strain, Lateral strain and Poisson’s ratio,Generalized Hooke’s law, Bulk modulus, Relationship between elastic constants. [10 Hours]

MODULE 2

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MODULE 3

Shear Forces and Bending Moments: Type of beams, Loads and reactions, Relationship between loads, shear forces and bending moments, Shear force and bending moments of cantilever beams, Pin support and roller supported beams subjected to concentrated loads and uniformly distributed constant / varying loads.
Stress in Beams: Pure bending, Curvature of a beam, Longitudinal strains in beams, Normal stresses in Beams with rectangular, circular, ‘I’ and ‘T’ cross sections, Flexure Formula, Bending Stresses, Deflection of beams (Curvature).[10 Hours]

MODULE 4

Torsion: Circular solid and hallow shafts, Torsional moment of resistance, Power transmission of straight and stepped shafts, Twist in shaft sections, Thin tubular sections, Thin walled sections
Columns: Buckling and stability, Critical load, Columns with pinned ends, Columns with other support conditions, Effective length of columns, Secant formula for columns. [10 Hours]

MODULE 5

Strain Energy: Castigliano’s theorem I and II, Load deformation diagram, Strain energy due to normal stresses, Shear stresses, Modulus of resilience, Strain energy due to bending and torsion. Theories of Failure: Maximum Principal stress theory, Maximum shear stress theory. 10 Hours

TEXT BOOKS:

• James M Gere, Barry J Goodno, Strength of Materials, Indian Edition, Cengage Learning, 2009.
• R Subramanian, Strength of Materials, Oxford, 2005.

REFERENCE BOOKS:

• S S Rattan, Strength of Materials, Second Edition, McGraw Hill, 2011.
• Ferdinand Beer and Russell Johston, Mechanics of materials, Tata McGraw Hill, 2003.
• Scheme of Examination:
• Two question to be set from each module. Students have to answer five full questions, choosing at least one full question from each module.

For all other BE/B.Tech 3rd Sem Subject syllabus do follow VTU 3rd Sem BE / B.Tech Syllabus CBCS (2015-16) Scheme for Mining Engineering Group.

For all other BE/B.Tech 3rd Sem Subject syllabus do follow VTU 3rd Sem BE / B.Tech Syllabus CBCS (2015-16) Scheme for Mechanical Engineering Group.

For all other BE/B.Tech 3rd Sem Subject syllabus do follow VTU 3rd Sem BE / B.Tech Syllabus CBCS (2015-16) Scheme for Marine Engineering Group.

For all other BE/B.Tech 3rd Sem Subject syllabus do follow VTU 3rd Sem BE / B.Tech Syllabus CBCS (2015-16) Scheme for Mechatronics Engineering Group.

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