Stress Definition

Engineering stress and strain

True stress

Classification

Ductile materials

Stress fields

Characterization of the mechanical properties of rock

Hardness

Toughness

Stress on a plane

Stress elipsoid

Mohr circle 2D

Mohr diagram 3D

Stress Strain Curve

Session 2

Strain definition

Strain measures

Engineering strain

Stretch ratio

True strain

Green strain

Almansi strain

Normal and shear strain

Normal strain

Shear strain

Metric tensor

Description of deformation

Affine deformation

Rigid body motion

Displacement

Displacement gradient tensor

Examples of deformations

Plane deformation

Isochoric plane deformation