Types of Stresses and Strains

Types of stress and strains is explained in context with mechanics of solids with following timestamps:
0:00 – Mechanics of Solid Lecture series
0:13 – Outlines on the session
0:42 – Basic types of stresses and strain
2:04 – Tensile stresses and tensile strain
4:43 – Tensile strain
6:14 – Compressive stresses
8:34 – Compressive strain
9:48 – Shear stresses
13:43 – Shear strain

Following points are covered in this video:
1. Tensile stresses and Tensile strain
2. Compressive stresses and compressive strain
3. Shear stresses and shear strain

Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Mechanics of Solids or Engineering Mechanics.

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Details of Types of Stresses and Strains:

Stress and strain can occur in different ways, and they can be classified into various types based on their direction, nature, and mode of application. The most common types of stress and strain are:

Types of Stress:

Tensile Stress: Tensile stress is a type of stress that occurs when a force is applied to an object in a direction that tends to elongate or stretch it.

Compressive Stress: Compressive stress is a type of stress that occurs when a force is applied to an object in a direction that tends to compress or shorten it.

Shear Stress: Shear stress is a type of stress that occurs when a force is applied parallel to the surface of an object, causing it to slide or deform.

Bending Stress: Bending stress is a type of stress that occurs when a force is applied perpendicular to the longitudinal axis of an object, causing it to bend.

Torsional Stress: Torsional stress is a type of stress that occurs when a twisting force is applied to an object, causing it to twist or deform.

Types of Strain:

Longitudinal Strain: Longitudinal strain is a type of strain that occurs when an object changes its length under stress.

Lateral Strain: Lateral strain is a type of strain that occurs when an object changes its width under stress.

Shear Strain: Shear strain is a type of strain that occurs when an object changes its shape or orientation under shear stress.

Volumetric Strain: Volumetric strain is a type of strain that occurs when an object changes its volume under stress.

Elastic Strain: Elastic strain is a type of strain that occurs when an object undergoes deformation under stress but returns to its original shape when the stress is removed.

Plastic Strain: Plastic strain is a type of strain that occurs when an object undergoes permanent deformation under stress and does not return to its original shape when the stress is removed.

In summary, stress and strain can be classified into various types based on their direction, nature, and mode of application. Understanding these types of stress and strain is important in designing and analyzing structures and materials.