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Mechanics of Material

By : Asad Ali Arshad
In these slides we will cover the following topics

chap-3.pdf

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  • Introduction
  • Torsional Loads on Circular Shafts
  • Net Torque Due to Internal Stresses
  • Axial Shear Components
  • Shaft Deformations
  • Shearing Strain
  • Stresses in Elastic Range
  • Normal Stresses
  • Torsional Failure Modes
  • Sample Problem 3.1
  • Angle of Twist in Elastic Range
  • Statically Indeterminate Shafts
  • Sample Problem 3.4
  • Design of Transmission Shafts
  • Stress Concentrations
  • Plastic Deformations
  • Elastoplastic Materials
  • Residual Stresses
  • Example 3.08/3.09
  • Torsion of Noncircular Members
  • Thin-Walled Hollow Shafts

  • Introduce students to the concept of torsion in structural members and machine parts.
  • Define shearing stresses and strains in a circular shaft subject to
  • torsion
  • Define angle of twist in terms of the applied torque, geometry of
  • the shaft, and material
  • Use torsional deformations to solve indeterminate problems
  • Design shafts for power transmission
  • Review stress concentrations and how they are included in torsion
  • problems
  • Describe the elastic-perfectly plastic response of circular shafts
  • Analyze torsion for noncircular members
  • Define the behavior of thin-walled hollow shafts

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