Strain Displacement Strain Strain field Strain determination in rocks
Strain • Displacement • Strain • Strain field • Strain determination in rocks
Displacement vector and displacement components
Displacement vector and displacement components x y x z y z 0 v w u
DEFORMATION 1) Translation- Change in position by lateral motion 2) Rotation- Rigid body spin about I or more axes 3)Strain-Change in shape or distortion 3
DEFORMATION 1) Translation – Change in position by lateral motion 2) Rotation – Rigid body spin about 1 or more axes 3) Strain - Change in shape or distortion 1 2 3
dilation (volume change) distortion (shape change) rotation total strain Nature of strain
Nature of strain
A homogeneous strain B inhomogeneous strain