Strength of Materials (Mech)

385 230

Regulation 2021

ISBN978-93-80659-67-1

UNIT I      STRESS, STRAIN AND DEFORMATION OF SOLIDS

Rigid bodies and deformable solids – Tension, Compression and Shear Stresses – Deformation of simple and compound bars – Thermal stresses – Elastic constants – Volumertric strains – Stresses on inclined planes – Principal stresses and principal planes – Mohr’s circle of stress.

UNIT II     TRANSVERSE LOADING ON BEAMS AND STRESSES IN BEAM

Beams – Types – Transverse loading on beams – Shear force and Bending moment in beams – Cantilever, Simply supported and over hanging beams. Theory of simple bending – Bending stress distribution – Load carrying capacity – Proportioning of sections – Flitched beams – Shear stress distribution

UNIT III    TORSION

Theory of Torsion – Stresses and Deformations in Solid and Hollow Circular Shafts – Combined bending moment and torsion of shafts – Power transmitted to shaft – Shaft in series and parallel – Closed and Open Coiled helical springs – springs in series and parallel.

 UNIT IV    DEFLECTION OF BEAMS 

Elastic curve – Governing differential equation – Double integration method – Macaulay’s method – Area moment method – Conjugate beam method for computation of slope and deflection of determinant beams.

UNIT V    THIN CYLINDERS, SPHERES AND THICK CYLINDERS 

Stresses in thin cylindrical shell due to internal pressure – circumferential and longitudinal stresses – Deformation in thin cylinders – Spherical shells subjected to internal pressure – Deformation in spherical shells – Thick cylinders – Lame’s theory. TOTAL: 45

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