10-01-2010, 05:21 PM
Ok I read some of the books you gave me.
At the end I realised that Young's modulus is a ratio of stress-strain diagram, but related only to the starting OA line (line where stress-strain relation is linear). Am I right?
Now I want to know what is the difference between stiffness and rigidity ?
At the end I realised that Young's modulus is a ratio of stress-strain diagram, but related only to the starting OA line (line where stress-strain relation is linear). Am I right?
Now I want to know what is the difference between stiffness and rigidity ?