Concept Of State Of Stress

Question 1

What is the formula for calculating normal stress?

Answer 1

Normal stress = Force / Area

Question 2

What is the formula for calculating shear stress?

Answer 2

Shear stress = Force / Area

Question 3

What is the formula for calculating principal stress?

Answer 3

Principal stress = (Normal stress 1 + Normal stress 2) / 2 ± sqrt((Normal stress 1 - Normal stress 2)^2 + 4 * Shear stress^2) / 2

Question 4

True or False: Stress is a scalar quantity.

Answer 4

False

Question 5

What is the formula for calculating von Mises stress?

Answer 5

von Mises stress = sqrt(0.5 * ((Normal stress 1 - Normal stress 2)^2 + (Normal stress 2 - Normal stress 3)^2 + (Normal stress 3 - Normal stress 1)^2) + 3 * Shear stress^2)

Question 6

What is the formula for calculating maximum shear stress?

Answer 6

Maximum shear stress = 0.5 * (Normal stress 1 - Normal stress 3)

Question 7

What is the formula for calculating strain?

Answer 7

Strain = Change in length / Original length

Question 8

What is the formula for calculating Poisson’s ratio?

Answer 8

Poisson’s ratio = - Transverse strain / Longitudinal strain

Question 9

What is the formula for calculating bulk modulus?

Answer 9

Bulk modulus = - Volumetric stress / Volumetric strain

Question 10

What is the formula for calculating shear modulus?

Answer 10

Shear modulus = Shear stress / Shear strain

Question 11

What is the formula for calculating Young’s modulus?

Answer 11

Young’s modulus = Normal stress / Longitudinal strain

Question 12

What is the formula for calculating lateral strain?

Answer 12

Lateral strain = - Transverse strain / Original length

Question 13

What is the formula for calculating volumetric strain?

Answer 13

Volumetric strain = Longitudinal strain + 2 * Transverse strain

Question 14

What is the formula for calculating longitudinal strain?

Answer 14

Longitudinal strain = Change in length / Original length

Question 15

What is the formula for calculating transverse strain?

Answer 15

Transverse strain = - Lateral strain * Original length

Question 16

What is the formula for calculating volumetric stress?

Answer 16

Volumetric stress = Normal stress 1 + Normal stress 2 + Normal stress 3

Question 17

What is the formula for calculating volumetric strain energy density?

Answer 17

Volumetric strain energy density = 0.5 * Volumetric stress * Volumetric strain

Question 18

What is the formula for calculating longitudinal stress?

Answer 18

Longitudinal stress = Normal stress 1

Question 19

What is the formula for calculating transverse stress?

Answer 19

Transverse stress = Normal stress 2

Question 20

What is the formula for calculating lateral stress?

Answer 20

Lateral stress = Normal stress 3

Question 21

What is the formula for calculating shear strain?

Answer 21

Shear strain = Change in angle / Original angle

Question 22

What is the formula for calculating volumetric stress energy density?

Answer 22

Volumetric stress energy density = 0.5 * Volumetric stress * Volumetric strain

Question 23

What is the formula for calculating longitudinal stress energy density?

Answer 23

Longitudinal stress energy density = 0.5 * Longitudinal stress * Longitudinal strain

Question 24

What is the formula for calculating transverse stress energy density?

Answer 24

Transverse stress energy density = 0.5 * Transverse stress * Transverse strain

Question 25

What is the formula for calculating lateral stress energy density?

Answer 25

Lateral stress energy density = 0.5 * Lateral stress * Lateral strain