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Dept : AERO

Sem : 3

Regul : 2023

Faculty : K NEHRU

phone : 9159839050

E-mail : nehru1991@gmail.com

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Lecture Notes

UNIT 1:

Rigid bodies and deformable bodies

Strength, stiffness and stability

Stress and strain- Hookeâ€˜s law

Axial deformation of bar

Determinate and indeterminate bars

UNIT 2:

Types of beams, loads and reactions

Determinate beams: Cantilever

Shear force diagram

Pure Bending

Symmetric bending

Bending normal stress

UNIT 3:

Deflection of determinate beams: Cantilever Beams

Deflection of determinate beams: Simply supported Beams

Deflection of determinate beams: Overhanging beams

Differential equations of the deflection curve

Double integration method

Buckling of long columns

Eulerâ€˜s theory

Long columns with different end conditions

Rankineâ€˜s formula

UNIT 4:

Pure Torsional Equation

Transmission of power by circular shafts

Solid and hollow shafts

Torsional deformations of a circular shaft

Springs

Cose coiled helical springs

Axial loading â€“ Applications of springs

UNIT 5:

Mohrâ€˜s circle for plane stress

Principal stresses

Stresses in thin-walled pressure vessels

Stresses and deformations in thin cylindrical

Spherical shells subjected to internal pressure.

Plane stress

Principal planes

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