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Fig. 1. Dual cracks

Fig. 2. Single crack

Fig. 3. Crack Tip coordinates

Fig. 4(a). before loading ( A mesh pattern for elliptical hole with dual cracks )

(b) after loading.

Fig.5: Stress distribution (in MPa) around crack

Fig. 6a. SIF values for dual cracks at different eccentricity with fixed crack length of 6 mm

Fig. 6b. SIF values for single crack at different eccentricity with fixed crack length of 6 mm

Fig. 7a: SIF values for dual cracks at different crack lengths with fixed eccentricity

Fig.7 b: SIF values for single crack at different crack lengths with fixed eccentricity

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