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Mechanics of Material

By : Asad Ali Arshad




In these slides following topic of the chapter no 2 are discussed in detail these are:


chap-2 (1).pdf 

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  • Stress and Strain : Axial loading
  • Normal Strain 
  • Stress Strain Curve
  • Stress Strain Diagram: Ductile Material 
  • Stress Strain Diagram: Brittle Material 
  • Hooks Law Modulus of Elasticity
  • Fatigue
  • Deformation under Axial loading
  • Generlized Hooks law
  • Bulk Modulus
  • Shearing Strain
  • Relation among E, v and G
  • Composite Material
  • Saint-Venant's principle
  • Stress Concentration Hole
  • Stress Concentration fillet
  • Elastoplastic Material 
  • Residual Stresses
  • Poisson's Ratio

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

Mechanics of Material

By : Asad Ali Arshad

In these slides following topics are discussed in detail and some of the example problems related to these topics are also available.
The lecture 1 is actually Chapter 1 and Lecture 2 is Chapter 2 in both these to lecture we will basically complete two chapters of Mechanics of Material 7th Edition.
Chapter no 2  :   Stress and Strain Axial Loading
The following topics are included in this chapter..

  • Stress & Strain: Axial Loading
  • Normal Strain
  • Stress-Strain Test
  • Stress-Strain Diagram: Ductile Materials
  • Stress-Strain Diagram: Brittle Materials
  • Hooke’s Law: Modulus of Elasticity
  • Elastic vs. Plastic Behavior
  • Fatigue
  • Deformations Under Axial Loading
  • Example 2.01
  • Sample Problem 2.1
  • Static Indeterminacy
  • Example 2.04
  • Thermal Stresses
  • Poisson’s Ratio

  • Generalized Hooke’s Law
  • Dilatation: Bulk Modulus
  • Shearing Strain
  • Example 2.10
  • Relation Among E, n, and G
  • Sample Problem 2.5
  • Composite Materials
  • Saint-Venant’s Principle
  • Stress Concentration: Hole
  • Stress Concentration: Fillet
  • Example 2.12
  • Elastoplastic Materials
  • Plastic Deformations
  • Residual Stresses
  • Example 2.14, 2.15, 2.16



2_axial_loading.pdf

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