Stress and strain - Axial loading

Notes 4

 "Stress and strain - Axial loading"

1-If it has a uniform cross section
2-loaded at its ends
3-Rod is homogenous ( E constant )

Stress and strain - Axial loading

It is  not always possible to determine the forces in the members of structure by applying only the principles of statics , because it is based on the assumption of undeformable rigid structure .
 

By considering engineering structures as deformable and analyzing the deformation in their various members .
 

It will be possible for us to compute forces that are statically indeterminate . Indeterminate within the framework of statics .
 

You will consider the deformations of a structural member  such as a rod , bar or plate under axial loading  .

Normal strain is the deformation of the  member per unit length or stress per modulus of elasticity  .

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