Answer - The term deformation per unit length is referred for strain.
When rigid-body motions are not included, strain and deformation are related in terms of the relative displacement of body components. Depending on whether a strain field is defined concerning the body's initial or final configuration and whether the metric tensor or its dual is taken into account, different equivalent options may be made for the formulation of the field.
When forces are applied to a material, the substance first experiences elastic deformation and then plastic deformation. The yield strength of the material determines how easily a material may change from an elastic to a plastic condition.
Crystalline and amorphous materials have various mechanisms for plastic deformation. When deforming crystalline materials, the slip process, which involves the movement of dislocations, is used. In contrast, amorphous materials deform as a result of the random movement of atoms and ions.
The Term Deformation Per Unit Length is Referred for
The term deformation per unit length is referred for strain. In physics, deformation is the transition of a body employing continuum mechanics from a reference configuration to a current configuration.
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