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ANNA UNIVERSITY 1ST,3RD,5TH,7TH SEMESTER SYLLABUS 2008 REGULATION

ME2254 STRENGTH OF MATERIALS ME 2254 STRENGTH OF MATERIALS




ME2254 STRENGTH OF MATERIALS  SYLLABUS 3 1 0 4
(Common to Mechanical, Automobile & Production)
OBJECTIVES
 To gain knowledge of simple stresses, strains and deformation in components
due to external loads.
 To assess stresses and deformations through mathematical models of beams,
twisting bars or combinations of both.
 Effect of component dimensions and shape on stresses and deformations are to
be understood.
 The study would provide knowledge for use in the design courses(VISIT http://aimforhigh.blogspot.com)
UNIT I STRESS STRAIN DEFORMATION OF SOLIDS 9
Rigid and Deformable bodies – Strength, Stiffness and Stability – Stresses; Tensile,
Compressive and Shear – Deformation of simple and compound bars under axial load –
Thermal stress – Elastic constants – Strain energy and unit strain energy – Strain energy
in uniaxial loads.
UNIT II BEAMS - LOADS AND STRESSES 9
Types of beams: Supports and Loads – Shear force and Bending Moment in beams –
Cantilever, Simply supported and Overhanging beams – Stresses in beams – Theory of
simple bending – Stress variation along the length and in the beam section – Effect of
shape of beam section on stress induced – Shear stresses in beams – Shear flow
UNIT III TORSION 9
Analysis of torsion of circular bars – Shear stress distribution – Bars of Solid and hollow
circular section – Stepped shaft – Twist and torsion stiffness – Compound shafts – Fixed
and simply supported shafts – Application to close-coiled helical springs – Maximum
shear stress in spring section including Wahl Factor – Deflection of helical coil springs
under axial loads – Design of helical coil springs – stresses in helical coil springs under
torsion loads
UNITIV BEAMDEFLECTION 9
Elastic curve of Neutral axis of the beam under normal loads – Evaluation of beam
deflection and slope: Double integration method, Macaulay Method, and Moment-area
Method –Columns – End conditions – Equivalent length of a column – Euler equation –
Slenderness ratio – Rankine formula for columns UNIT V ANALYSIS OF STRESSES IN TWO DIMENSIONS 9
Biaxial state of stresses – Thin cylindrical and spherical shells – Deformation in thin
cylindrical and spherical shells – Biaxial stresses at a point – Stresses on inclined plane
– Principal planes and stresses – Mohr’s circle for biaxial stresses – Maximum shear
stress - Strain energy in bending and torsion.
TUTORIALS 15
TOTAL: 60
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TEXT BOOKS
1.Popov E.P, “Engineering Mechanics of Solids”, Prentice-Hall of India, New Delhi, 1997
2.Beer F. P. and Johnston R,” Mechanics of Materials”, McGraw-Hill Book Co, Third
Edition, 2002. (VISIT       http://aimforhigh.blogspot.com)
REFERENCES
1. Nash W.A, “Theory and problems in Strength of Materials”, Schaum Outline Series,
McGraw-Hill Book Co, New York, 1995
2. Kazimi S.M.A, “Solid Mechanics”, Tata McGraw-Hill Publishing Co., New Delhi,
1981.
3. Ryder G.H, “Strength of Materials, Macmillan India Ltd”., Third Edition, 2002
4. Ray Hulse, Keith Sherwin & Jack Cain, “Solid Mechanics”, Palgrave ANE Books,
2004.
5. Singh D.K “Mechanics of Solids” Pearson Education 2002.
6. Timoshenko S.P, “Elements of Strength of Materials”, Tata McGraw-Hill, New Delhi,
1997.
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