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Online Mechanics of Solids II Tutorials
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Download full solutions to the problems (Scanned class notes) in pdf.Download full solutions to the problems (Scanned class notes) in pdf.
Past Papers of Mechanics of solidsPast papers of strength of materials (Mechanics of solids)

Strength of Materials Defined:

Mechanics of Solids or Strength of Materials is a popular branch of Engineering Mechanics. It deals with the relation of externally applied loads and its internal effect on the bodies. In general study we assume bodies and objects to be rigid but in Mechanics of Solids we do consider the deformation/deflection however small they may be. Modern Mechanics have many fields and/or types e.g quantum mechanics, fluid mechanics, engineering mechanics, automotive mechanics etc.

The subject of mechanics of materials involves analytical methods for determining the strength, stiffness (deformation characteristics), and stability of the various members in a structural system. The behavior of a member depends not only on the fundamental laws that govern the equilibrium of forces, but also on the mechanical characteristics of the material. These mechanical characteristics come from the laboratory, where materials are tested under accurately known forces and their behavior is carefully observed and measured. For this reason, mechanics of materials is a blended science of experiment and Newtonian postulates of analytical mechanics.

Applications of strength of materials

  1. To design a structure. In design of a structure the engineer must consider:
      • Dimensions
      • Type of Material
      • Costs
  2. To fulfill the requirements of strength and rigidity

Analysis of internal forces consists of the following procedure.... read more [Read More]

Stress & Strain Analysis due to axial, shear force & Bending Moment Some Technical terms Mohr's Circle & Principle stresses Mohr's Circle & Principle stresses

Engineering Stress and Engg. Strain

True Stress and True Strain

Strain Hardening

UTM - Universal Testing Machine

Tensile Test - Tensile Strength or Tension Test

 

Principle planes: The planes at which maximum and minimum stresses occur ... read more [Read More]
Kern of a section Kern of a section Intermediate columns Intermediate columns
Kern: The portion or section of a body where vertical compressive load if applied will not cause any tension in the member read more [Read More] Columns: A compression member is said to ba column if its unsupported length is more than 10 times its least laterl dimension.
Intermediate columns are those which fail by crushing or by buckling.
Shear flow, shear center & Shape factorShear flow, shear center & Shape factor Eccentrically loaded columns Eccentrically loaded columns
Shear flow: The longitudinal force per unit length transmitted across the section of a body is known as shear flow
Shear centre: A point within or outside a member (beam) such that if any transverse load is applied at this point it will cause bending without twisting... read more [Read More]
 
Thick & Thin Walled Cylinders Thick & Thin Walled Cylinders Theories of failure Theories of failure
   
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