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# What is distortion? types and units of distortion

Guys, what’s wrong with this post? It has been told about the types and units of distortion, etc., if you want to get information, then read the post completely. So let’s start-

### What is distortion? (What is Strain)?)

When a force is applied to an object, the shape of the object changes due to the stress, the ratio of the change in the shape of the object to the original size. Strain it is said. english alphabets ‘e’ is displayed by.

Distortion (e) = change in shape/original shape

### unit of distortion

It has no unit, because it is the ratio of two quantities of this type.

### Types of Strain

It is of three types, which are as follows-

#### 1.Longitudinal Strain

When a deforming force is applied to an object, the length of the object changes, then the ratio of the change in the length of the object to the original length is Longitudinal Strain it is said.
The original length or initial length of the object is represented by the capital letter ‘L’, and the change in the length of the object is represented by the small English letter ‘l’.

Longitudinal deformation = change in length / initial length
Longitudinal distortion = l/L

#### 2.Volumetric Strain

When a deforming force is applied to an object, the volume of the object changes, then the ratio of the change in the volume of the object to the original volume is Volume Strain it is said.
The original volume or initial volume of the object is represented by the capital letter ‘V’, and the change in the volume of the object is represented by the lowercase letter ‘v’.

Volume Distortion = Change in Volume / Initial Volume
Volume Distortion = v/V

#### 3. shear deformation

The change in the shape of an object without changing its volume is called shear deformation.

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