What are the units of the elastic strain energy release rate?

Q: Define the term Normal Strain?

A: Forces acting perpendicular to the cross section of the body are normal forces. They can be either…

Q: What is the transformation of strain at a point?

A: The strain transformation at a point occurs only when the stress acting on the material is plane…

Q: How can you determine the modulus of elasticity and the modulus of rigidity of the material?

A: The expression to determine the modulus of elasticity is, Here, Y is the modulus of the elasticity…

Q: When a viscoelastic material is loaded and unloaded, the unloading curve is different to the loading…

A: The stress-strain curve of a viscoelastic material exhibits hysteresis, with the area of the loop…

Q: What are the distinguishing differences between elasticity, plasticity, and fracture?

A: There are the following differences between elasticity, plasticity and fracture. Elasticity:- It is…

Q: How can the principal normal strains and maximum in-plane shear strain be determined?

A:

Q: Differentiate between normal strain measures and sheer strain measures?

A: Normal Strain: The deformation caused in normal strain is due to normal forces such as tension or…

Q: a) What is the modulus of elasticity? b) What is the proportional limit? c) What is the yield…

A: Data given- Stress strain diagram for the steel alloy

Q: How is normal strain measured?

A: As we know that strain is a change in length over original length.

Q: What is the unit of strain?

A:

Q: sticity?

A: given: What is modulus of elasticity?

Q: What type of behaviour is observed from these stress-strain curves?

A: Consider the diagram shown below for the stress-strain curve. P: proportional limit Y: yield point…

Q: What is Strain Energy?

A: The energy stored within a deformable material when it undergoes elastic deformation under an…

Q: Define the strain (or elastic) energy release rate first in words, then as an energy-based equation.

A: To define the strain (or elastic) energy release rate first in words, then as an energy based…

Q: Define the term Units in the normal strain?

A: The normal strain is a dimensionless quantity.

Q: How can the modulus of elasticity of the material be determined?

A: Elastic modulus(E) is constant for a given material .It is given by the ratio of stress and strain…

Q: What is the Relationship between modulus of elasticity and bulk modulus ?

A: To Find :- The relationship between modulus of elasticity (E) and bulk modulus (K)  According to…

Q: what is the relation between modulus of elasticity

A: Given: Modulus of elasticity=E Bulk modulus=K

Q: How can the Strain transformation problems be solved?

A: Strain transformation: The strain is defined as the body's deformation in a particular direction…

Q: How can the strain-energy density be determined?

A: Strain energy is defined as the energy absorbed by any member when work done by any load deforms…

Q: Define strain and relation between stress and strain.

A: Stress is defined as "Internal resisting force per unit area acting on a particular plane". It is…

Q: When is the Strain energy stored in a material?

A: Answer : When an external force or load is acting on a body, there stores an internal energy due to…

Q: How does the increase in strain rate affect the Youngs modulus, UTS and ductility of material? (At…

A: There is a great impact of strain rate, temperature, and other atmospheric conditions on the young…

Q: What are the two parts of strain-energy density?with

A: The strain energy per unit volume is known as the strain energy density also can be described as the…

Q: As a fatigue crack grows from its initial length to its final length, does it spend most of its life…

A: Fatigue failure: Fatigue failure is defined as the formation and the propagation of the crack in a…

Q: For a given material, the ratio of lateral strain to linear strain is observed as 0.2 when axially…

A: Option b is correct

Q: Write the equations for elastic strain energy?

A: The equations of strain energy (U) in different conditions are: (a) The formula for strain energy…

Q: What must be true about the dimensions of a plate in order for plane-strain conditions to apply?

A: The plane strain is defined as the strain which occurs in the parallel direction of the given plane.…

Q: What are the important points on the stress-strain diagram?

A: The stress-strain diagram for a material explains the relationship between the stress and strain of…

Q: Why do the Brittle materials fail in tension?

A: Brittle materials do not undergo significant plastic deformation. They thus fail by breaking of the…

Q: What is the linear variation in the shear strain?

A: The change in shape obtained due to shear stress is defined by shear strain.

Q: Is the normal strain sometimes stated in terms of a ratio of length units?

A: The normal strain is defined as " it is the ratio of change in length to the original length: under…

Q: What is strain energy? How is it calculated?

A: Strain energy:- When a body goes under deformation under the application of load then in that case…

Q: How can you assume the linear elastic behavior of a material?

A: Both linear and nonlinear elastic materials will elastically return to an “unloaded” state…

Q: According to Hooke’s law, how can we express the elastic strain energy density?

A: Expression of elastic strain energy density  u=12Eε2

Q: How are Engineering stress and strain calculated?

A: Engineering stress is also known as the nominal stress, defined as the ratio of applied load to the…

Q: 3. For a brass alloy, the stress at which plastic deformation begins is 360 MPa, and the modulus of…

A: As per given question  Stress=360mpa Module of elasticity =110 gpa Cross sectional Area =150mm2…

Q: A commercially-pure copper wire originally 10.00 m long is pulled until its final length is 10.10 m.…

A:

Q: d strain?

A: GIVEN: What is the unit of stress and strain?

Q: Figure 2 shows the stress versus strain curve of four engineering materials. Compare the ability of…

A: Given : To find : Compare between materials A and B

Q: How does the increase in the temperature affect the Youngs modulus, UTS and ductility of material?…

A: Youngs Modulus :  Youngs modulus is also called as Modulus of Elasticity and it is defined as the…

Q: When can the strains act for some other orientation be determined using the plane-strain…

A: Consider a plane state of strain for an element. Here, x' and y' are axes inclined at an angle of θ…

Q: What are the mechanical properties of materials?

A:

Q: 4. For a brass alloy, the stress at which plastic deformation begins is 345 MPa and the modulus of…

A:

Q: When are the normal strains referred to as principal strains?

A: The principal strains are the maximum and minimum normal strains possible at a specific point.

Q: Define the modulus of elasticity?

A: modulus of elasticity is a property of a material.

Q: What is the strain energy density and how can it be expressed?

A: Strain energy is characterised as energy stored in the body as a result of deformation.

Q: In Figure 1, if the Young modulus is 200 Gpa, the strain percentage in the direction of the normal…

A: Normal Force = P cos 30 = 400 * cos 30 = 346.41016 kN stress = normal force / area = 0.57735 kN/mm^2

Q: What is the concept of Strain?

A: According to Hooke's law within the elastic limit, stress is directly proportional to strain and the…

Q: What is the plastic strain?

A: Given Data⇒plastic strainProblem definition⇒Problem says What is the plastic strain?

Strain energy

The term strain indicates the variation in an object's length, area, and volume when the object is subjected to an external force. The external force may be of normal, shear, moment, torque, etc. The strain in an object depends on the types of external force and cross-section of the object. Mathematically, the evaluation of strain can be obtained with the help of elastic constants.