Plane Elastostatic Solution in an Infinite Functionally Graded Layer Weakened by a Crack Lying in the Middle of the Layer

Figure 2

(a) Variation of normalized stress-intensity factor with for different loads in the case of compressive concentrated forces (, , and ). (b) Variation of normalized stress-intensity factor with for different loads in the case of tensile forces (, , and ).

(a)

(b)