PSI - Issue 26

Victor Rizov et al. / Procedia Structural Integrity 26 (2020) 75–85 Rizov / Structural Integrity Procedia 00 (2019) 000 – 000

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8

Fig. 2. The strain energy release rate in non-dimensional form presented as a function of 1 2 / h h ratio (curve 1 - at / 0 = B B K

0.5

, curve 2 -

/ 2 0 = B B K and curve 3 - at

/ 4 0 = B B K ).

at

0 / D B ratio (curve 1 - at

0.2 = m , curve 2 - at

Fig. 3. The strain energy release rate in non-dimensional form presented as a function of

0.4 = m and curve 3 - at

0.6 = m ).

Fig. 4. The strain energy release rate in non-dimensional form presented as a function of h b / ratio (curve 1 - at 0.3 = m ). One can observe also in Fig. 2 that the strain energy release rate decreases with increasing of 0.2 = n and curve 3 - at

0.1 = n , curve 2 - at

0 / B B K ratio (this

finding is attributed to the increase of the stiffness of the beam).