PSI - Issue 77

Victor Rizov et al. / Procedia Structural Integrity 77 (2026) 389–396 Author name / Structural Integrity Procedia 00 (2026) 000–000

394 6

1 α β H H and 1 /

1 1 / β α S S ratios grow. These ratios are

Figure 3 illustrates how the SERR changes when

1 H and 1 S along the thickness of layer 1.

measures for variations of

1 α β H H curves (1 – for 1 /

/ 1 = β α S S 1

0.5

/ 1 = β α S S

1.0 1

/ 1 = β α S S 1

2.0

Fig. 3. The SERR -

, 2 – for

and 3 – for

).

6 1.5 10 − = ×

6 3 10 − = ×

1 1 / β α E E curves (1 – for

M v ϕ

M v ϕ

Fig. 4. The SERR -

rad/sec, 2 – for

rad/sec and 3 –

6 4.5 10 − = ×

M v ϕ

for

rad/sec).

This change is investigated at three 1 T G along The curves in Fig. 2 indicate how the SERR (in non-dimensional form) changes when the velocity of the angle 1 T T G G α β ratios (this ratio is a measure for the variation of 1 /