"Elastic Deformation" in relation to aircraft structures is a shape change that…
Aircraft components are subjected to stresses and these will tend to elongate, compress, bend, shear or twist the component.
- Providing the resulting deformation is within the elastic limit of the material, the component will return to its original dimension once the deforming load has been removed => Elastic deformation
- If any load takes the structure beyond the elastic limit the deformation will be permanent => Plastic deformation.
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