Stress and Strain

Principal Plane & Principal Stress (Stress and Strain Part-4)

Before proceeding to two dimensional stress system. Let’s us understand few technical terms which are generally asked during interview questions. Principal Plane: A plane at which shear stress is Zero, is known as principal plane. Principal Stress: When on principal plane normal stress is acting ,then it is known as principal stress. There are two types …

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Elongation in taper Rod, Volumetric Strain (Stress and Strain Part-3)

In this section we are going to discuss three points Elongation in taper Rod Elongation in a object due to self weight Volumetric Strain Elongation in Taper Rod Let us consider a circular taper rod of length l whose diameter is changing uniformly from d to D. Let us consider a small element of a …

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Stress-Strain & Thermal Stress (Stress and Strain Part-1)

Stress: When a body is subjected to an external force, resisting forces will be generated inside the body. This resisting force per unit area is stress. It is denoted by σ For e.g. spring is placed on your hand and you press it or stretches it, compression or tensile forces generate. Strain: When a body is subjected to …

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