PSI - Issue 28

Alla V. Balueva et al. / Procedia Structural Integrity 28 (2020) 873–885 Author name / Structural Integrity Procedia 00 (2019) 000–000

882

10

(a) (b) Fig. 4 Normalized Crack Radius a / a * verses Normalized Time t / t * for Real Gas Model (a) α = 1, β = 1 (b) α = 0.5, β = 1

(b) (b) Fig. 5 Normalized Crack Radius a / a * verses Normalized Time t / t * for Real Gas Model (a) α = 0.5, β = 1 (b) α = 1, β = 0.1

Fig. 6 Normalized Crack Radius a / a * verses Normalized Time t / t * for Real Gas Model α = 1, β = 0.05

Further, the effects of the constants become clearer as we allow them to vary. It can be observed that as α becomes smaller, the time necessary for the crack to reach a constant velocity decreases. On the other hand, as β decreases, we can see how the time-scale increases by magnitudes.

Made with FlippingBook Ebook Creator