ABSTRACT
When the material is assumed to be isotropic and elastic, only two material parameters out of the three are independent, and the relationship can be written as
µ = E
2 1+ ν( ) (2.3)
FIGURE 2.1 Illustration of strain and stress applied on an innitesimal block of material. (a) e block is under normal stress from three dierent directions. (b) e block is under shear stress from one direction along xy plane.
