## What is K in mechanics of materials?

the bulk modulus K describes the material’s response to (uniform) hydrostatic pressure (like the pressure at the bottom of the ocean or a deep swimming pool), the shear modulus G describes the material’s response to shear stress (like cutting it with dull scissors).

Why is elastic modulus of materials different?

The elastic modulus of an object is defined as the slope of its stress–strain curve in the elastic deformation region: A stiffer material will have a higher elastic modulus. An elastic modulus has the form: will be the same as the units of stress.

What is elastic modulus and its types?

The modulus of elasticity is simply the ratio between stress and strain. Elastic Moduli can be of three types, Young’s modulus, Shear modulus, and Bulk modulus. In this article, we will understand elastic moduli in detail.

### What determines the modulus of a material?

Young’s modulus is a measure of the ability of a material to withstand changes in length when under lengthwise tension or compression. Sometimes referred to as the modulus of elasticity, Young’s modulus is equal to the longitudinal stress divided by the strain.

What is the significance of modulus of elasticity?

Modulus of elasticity is a measure of the stress–strain relationship and is an important parameter in the evaluation of the deformation response of concrete under working loads.

What is relation E and K?

E= (Strength of Materials – by Er. R.K. Rajput) The above formula gives the relationship between the Modulus of Elasticity (E), Modulus of Rigidity (G) and Bulk Modulus (K) Modulus of Elasticity (E): it is the ratio between the normal stress and normal strain of a material in N/m2.

## What is the relation between E and K?

Where, K is the Bulk modulus. G is shear modulus or modulus of rigidity. E is Young’s modulus or modulus of Elasticity….Elastic Constant Formula.

Formula SI Units
The Relation Between Young’s Modulus and Bulk Modulus E = 3 K ( 1 − 2 μ ) N/m2 or pascal(Pa)

What is the relation between Young’s modulus and elasticity?

E is Young’s modulus or modulus of Elasticity….Elastic Constant Formula.

Formula SI Units
The Relation Between Young’s Modulus and Bulk Modulus E = 3 K ( 1 − 2 μ ) N/m2 or pascal(Pa)