Dispalcement V/s Deformation

Discussion created by 1-FKI4X8 on Feb 16, 2009
Latest reply on Feb 17, 2009 by Deepak Gupta

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Hi,
Anybody can tell me the basic difference b/w displacement and deformation and which is more Meaningful in which situation please elaborate.....thanks

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Deepak Gupta Feb 16, 2009 9:57 AM
Displacement is movement from one point to another point with the application of force/pressure

Deformation is change in shape with the application of force/pressure
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Arun Prasad Feb 17, 2009 7:49 AM
No. I dont agree with Deepak. This confusion can best be sorted in terms of FEM. Displacement is movement of a node due to application of some BC. Deformation is cumulative Displacement. For Eg, suppose on a linear Bar, there are 10 nodes. At node 1, we get what is known as displacement. But at Node 10, we get deformation. ie, disp @ node 1 + disp @ node 2+.......disp @ node 10 = deformation. I hope I am clear.

Deepak is free to disagree with me

Arun Prasad
CSWP
Trainee Design Engineer
Flowserve Corporation
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Deepak Gupta Feb 17, 2009 8:08 AM
Arun,

There is nothing to agree or disagree. What I had said is just the general thing.
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Dispalcement V/s Deformation

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