Discussion :: Strength of Materials - Section 1 (Q.No.1)
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|Chaitnaya said: (Jan 29, 2013)|
|Strain energy is area under stress-strain curve. So how can it be within elastic limit? After yield point you will find area under stress-strain curve that means specimen has strain energy.|
|Ashish said: (Feb 20, 2013)|
|Take a example of a spring so when you elongate it within elastic limit (i.e point till which it can regain its original shape and size) by doing so strain energy is stored.|
|Limbadhri said: (Feb 25, 2013)|
|We know that area under the stress-strain curve up to to the elastic point is called strain energy.|
|Avinash said: (Feb 26, 2013)|
|" Within Elastic Limit Stress is directly proportional to stress" So, the energy stored in the body when strained.
|Lalit said: (Mar 23, 2013)|
|It's by definition that stain energy stored in a body is within elastic limit. Yeah there will be some more strain energy after elastic limit. But as after elastic limit body can't regain back it's original position and so we do not consider that energy. Because after yielding point body is said to be failed.|
|Himanshu said: (Mar 24, 2013)|
|Strain energy is area under stress-stain curve up to elastic limit.|
|Mohit :-) said: (May 26, 2013)|
|Strain energy is energy stored in a body while an external force applied under elastic limit.|
|M.Zee said: (May 27, 2013)|
|How strain energy is measured?|
|Chandan said: (Jul 29, 2013)|
|Strain energy stored up to elastic limit is called proof resilience.
And area under stress-strain diagram after yield point is called strain hardening.
|Ashok said: (Jul 29, 2013)|
|Strain energy is the energy which is elastically stored within a body.|
|Deepak Obra Aurangabad Bihar said: (Aug 4, 2013)|
|Strain energy is with in elastic limit.|
|Susmita said: (Oct 2, 2013)|
|Strain energy is the area under the stress-strain curve.|
|Dayanand said: (Oct 18, 2013)|
|Strain energy is the energy which is stored in the body which we can get back after removal of external force. It is only possible only up to elastic limit. Above which rest of the stored energy released in the form of heat.|
|Ajay Lather said: (Oct 23, 2013)|
|Strain energy is the energy, When stored the energy to any material such the material is not breaking is called strain energy.
For example - We draw the Strain - Stress Diagram to applied the force Strain and Stress both are increase but become a point our material just breaking this point is Elastic Point.
|Dhananjay Kumar said: (Oct 29, 2013)|
|Whenever any elastic body is elongated within elastic limit the energy stored is known as strain energy. Ex. Spring.|
|Praveen K Makhija said: (Oct 31, 2013)|
|Strain energy is area of under strain stress curve till elastic limit.|
|Rajeeb Narayan said: (Nov 22, 2013)|
|Strain energy is the energy in which the body will not break up to its elastic limit.|
|Arvind said: (Dec 20, 2013)|
|Area under strain and stress up to breaking point is known as toughness of that material.|
|Vignesh.R said: (Jan 21, 2014)|
|It is the energy in which the body will not break up to its elastic limits.|
|Shabir Khan said: (Feb 8, 2014)|
|The maximum energy that can be stored in a body due to external loading upto the elastic limit is called strain energy.|
|Alok said: (Feb 10, 2014)|
|Strain energy is the ratio between change in length of a body to the original length.|
|Kamalesh said: (Feb 16, 2014)|
|Stress is directly proportional to the strain, when the body with in a elastic limit.|
|Ajai said: (Apr 13, 2014)|
|Strain energy is defined as the ability to absorb energy during deformation when the load is applied.
Resilience is defined as the ability to store energy upto elastic limit.
Max energy stored in elastic limit is called proof resilience.
Energy stored up to fracture is called toughness.
Per unit volume is called modulus of resilience and modulus of toughness.
|Sabyasachi said: (May 14, 2014)|
|The area under the stress diagram represent the toughness but with in the elastic limit it is denotes the value of strain energy.|
|Anurag said: (Aug 14, 2014)|
|Strain energy is the energy stored by a system undergoing deformation.|
|Yadvendra Kaushik said: (Sep 4, 2014)|
|Strain energy is equal to the work done by system and it may be regained by allowing the body to relax.
The best example of this is a clockwork device which stores strain energy and then gives it up.
After elastic limit we can't regain the original one, so up to elastic limit only is the right answer.
|Gopichandu said: (Sep 10, 2014)|
|Strain means when a load apply to the body some elongation will appear that means change in length by original length is called strain.|
|Basavaraj Vaddatti said: (Sep 22, 2014)|
|Energy stored in the body when strained is termed as a strain energy. Whereas, the strain energy within elastic limit is called resilience.|
|Priyam Tiwari said: (Sep 26, 2014)|
|Actually it is the property the energy stored in the body. Perfectly upto elastic limit resilience. Upto fracture toughness. Max energy upto elastic limit proof resilience. It is not specifically upto elastic limit I think answer is wrong. Please give me suggestion.|
|Preethi said: (Oct 7, 2014)|
|When the load is acting on the body, it tends to elongate or it changes its length (either decreasing or increasing) that is called strain the energy applied is known as strain.|
|Abu said: (Nov 2, 2014)|
|The energy acting on an elongated body is refer as strain energy.|
|Jitendra Kumar said: (Nov 23, 2014)|
|When a material is loaded within elastic limit then stress is directly proportion to strain.|
|Er.. Vikash Kumar Yadav said: (Dec 17, 2014)|
|The work done is straining the material within the elastic limits is know as strain energy.
When a body is loaded within elastic limit is dimension are changed. On removal of load it regains its original dimension. During loading energy is stored in the body. The amount of internal energy stored in the body is called resilience or strain energy.
|Sumer said: (Feb 21, 2015)|
|Strain may be define the ratio original dimension and change of dimension is called strain.|
|Deepak said: (Mar 28, 2015)|
|It is the energy stored within elastic limit.|
|Vinay said: (May 5, 2015)|
|Obviously it's energy stored within elastic limit.|
|Srinivasulu.V said: (Jun 7, 2015)|
|When a body is strained (loaded) the energy stored in the body with in the elastic limit is called strain energy.
But when the energy stored in the body up to the breaking of the specimen is called toughness. (i.e under the stress-strain curve).
HOOKS LAW said that stress is directly proportional to strain with in the elastic limit. So we have to consider the strain energy up to the elastic limit.
|Jagadish said: (Jun 18, 2015)|
|When specimen is elongated within elastic limits, it can store maximum energy. But beyond elastic limit where specimen tends to permanent deformation, energy stored will always be less than that within elastic limits.
How can a material store energy when it is about to break i.e. its neck? It has no more energy, totally weak. Hence 'within elastic limit'.
|Nik said: (Jul 9, 2015)|
|Strain energy is energy absorbed by member when work done by load deforms that member. It may be elastic or more than that. So energy absorbed by a member within elastic region is called resilience.|
|Prashnt Kadam said: (Jul 17, 2015)|
|The energy stored in a body within elastic limit.|
|Shetty said: (Aug 21, 2015)|
|Please tell anyone how measure the strain energy in a spring?|
|Yuvraj Mohite said: (Sep 7, 2015)|
|Why not option D?|
|Deepu said: (Sep 9, 2015)|
|Proof resilience is related to toughness. It is predicted by area of whole stress strain curve.|
|M.Ramakrushna said: (Oct 5, 2015)|
|With in the elastic limit of the substance the strain energy should sustain if it will cross the limit then the energy should not be a strain energy.|
|Ashish said: (Oct 19, 2015)|
|How to differ strain energy and resilience?|
|Deep Narayan said: (Jan 12, 2016)|
|And resilience up to the elastic limit is known as proof resilience.|
|Ganesh said: (Feb 11, 2016)|
|If force applied on a body within elastic limit, body change its shape, strain also produced in a body at that time. When remove the force applied on a body, then body gets its original shape. Here required energy to get original shape is called strain energy.|
|Mukhesh said: (Feb 15, 2016)|
|Strain Energy of the member is defined as the internal work done in deforming the body by the action of externally applied forces. This energy in elastic bodies is known as elastic strain energy.
Strain energy stored up to proportionality limit is called Proof resilience, Strain energy stored up to elastic limit is called resilience and Strain energy stored up to fracture point is called toughness of the material.
|Ranjitha said: (Feb 16, 2016)|
|Stress is directly proportional to strain under elastic limit.|
|Avik said: (Apr 6, 2016)|
|Toughness - the area covered in stress-strain curve.|
|Roshan R said: (Aug 4, 2016)|
|Strain energy is energy stored within proportional limit not elastic limit.|
|Anand said: (Aug 11, 2016)|
|Strain energy is a energy stored within proportional limit.|
|Soumyaranjan Senapati said: (Aug 28, 2016)|
|Strain energy is the ability of material to absorb energy when it is strained. And energy absorbed in an elastic region is called resilience.|
|Manojpandey said: (Aug 29, 2016)|
|Best answer among this option is A. But in actual strain energy is the energy stored till proportional limit because only under proportional limit we can use stress-strain relationship (in the region after proportional limit it flow stress relationship).|
|Thiru said: (Sep 10, 2016)|
|Strain energy is energy absorbed by the material.|
|Thiru said: (Sep 10, 2016)|
|Strain energy is energy stored within a proportional limit not the elastic limit.|
|Raja Babu said: (Sep 15, 2016)|
|Explain me a stress-strain curve.|
|Sanjeev Kumar said: (Dec 22, 2016)|
|Strain energy is the energy, when stored the energy to any material such the material is not breaking is called strain energy.|
|Ezequiel said: (Jan 2, 2017)|
|Strain energy is the energy possessed by a body within the region of which Hooke's law is obeyed.|
|Ravindra Chitransh said: (Jan 21, 2017)|
|But toughness and resilience are defined in terms of strain energy.|
|Vaibhav B. said: (Jan 24, 2017)|
|Area projected on strain axis under stress-strain curve up to elastic limit known strain energy.
S.E.= 0.5 * (stress * strain).
|Dr Mwete said: (Jan 26, 2017)|
|Strain energy is the energy responsible for the returning of a sretched elastic material into its origina position, provided that its elartic limit is not exceeded.|
|Ajaykumar said: (Mar 22, 2017)|
|Strain energy is capable to restore their energy come in its original state due to elastic limit.|
|Surya Kant Shukla said: (Mar 28, 2017)|
|Strain energy is nothing but an energy which is generated either applying a tensile or compressive force on a component.|
|Prajwal said: (May 4, 2017)|
|Anyone, can explain how the strain energy is measured?|
|Shiv Jha said: (Jun 30, 2017)|
|Strain energy is the minimum energy required to produce deformation in body. Strain energy is measured within the elastic limits.|
|Vinood M.B said: (Aug 19, 2017)|
|Yes, it's whitin the elastic limit.|
|Vipul Kumar said: (Oct 10, 2017)|
|1. Strain energy is the ability of a body to absorb energy, so when we are saying just strain energy then we are referring to the total energy the body can store upto fracture.
2. Resilience is the ability of a body store energy when it is deformed elastically only.
So I think both the answers are given wrong related to the strain energy concept.
|Naeem said: (Nov 28, 2017)|
|The correct answer is C.|
|Shivam Kumar said: (Feb 3, 2018)|
Strain energy-it is the ability of a material to absorb energy when it is strained.
Resilience-ability of a material to absorb energy in the elastic region when it is strained.
Proof resilience-maximum energy absorbing capacity of a material in the elastic region is called proof resilience
Modulus of resilence-proof resilience per unit volume is called modules of resilience.
|Pallavi Binzade said: (Mar 1, 2019)|
|Strain energy is the amount of energy stored in a body after the removal of external force within the elastic limit.|
|Thamizh Miller said: (Oct 1, 2019)|
|How to differ strain energy and resilience?|
|Jitesh said: (Oct 13, 2019)|
|@Thamizh strain energy per unit volume is resilience.|
|Shiva said: (Dec 14, 2019)|
|Strain Energy-It is the ability of a material to absorb energy when it is strained
Resilience-Ability of a material to absorb energy in the elastic region when it is strained.
Proof Resilience-Maximum energy absorbing capacity of a material in the elastic region is called proof resilience.
Hence option A and B both can be correct.
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