PSI - Issue 58

Victor Rizov et al. / Procedia Structural Integrity 58 (2024) 150–156 V. Rizov / Structural Integrity Procedia 00 (2019) 000–000

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Q G E E / ratio for various

Q G D D 1 1 / ratios. As can be seen

Fig. 2 displays curves of damping energy versus in Fig. 2 the damping energy reduces with increase of Q G D D 1 1 / ratio results in a reduced damping energy.

Q G E E / ratio. The curves in Fig. 2 indicate that increasing

2  a F N, curve 2 – at

4  a F N).

Q G D D 3 3 / ratio (curve 1 – at

3  F N and curve 3 – at

Fig. 4. The damping energy versus

2 / l s and

Q G D D 2 2 / ratios. It can be seen

Fig. 3 depicts the damping energy variation caused by changing of

2 / l s ratio generates increasing of the damped energy. Fig. 3 shows that increasing of

in Fig. 3 that growth of

Q G D D 2 2 / ratio leads to significant reduction of the damping energy.

Fig. 5. The damping energy versus 2 1 / s s ratio (curve 1 – at /

0.15  q T T , curve 2 – at /

0.30  q T T and curve 3 – at

/ 0.45  q T T ).

a F on damping energy is investigated too. The result

Q G D D 3 3 / ratio and magnitude of

The influence of

Q G D D 3 3 / ratio for different

obtained is illustrated in Fig. 4 that shows a plot of damping energy versus

a F . As expected, increase of

a F causes a growth of damping energy, while increase of

magnitudes of

Q G D D 3 3 / ratio leads to a reduction of damping energy (Fig. 4).