Issue 60

C. O. Bulut et al., Frattura ed Integrità Strutturale, 60 (2022) 114-133; DOI: 10.3221/IGF-ESIS.60.09

The errors between numerical and experimental have been to be 3.85% while, those between FEA and experimental to be 2.51 respectively. It has been proven that the theoretical and FEM models approximate to real model with the acceptable deviations.

Figure 11: Time(s) – deflection (cm) data for numerical, FEA and experimental studies for v = 553 cm/s, M= 1.5 kg, 1,2 ζ = 0.4, 0.5, 1,2 μ = 0.5, 0.7333

Numerical

Experimental

x= vt

x= vt

x=L

x=L

time (s)

M=1.5 kg M=3kg

M=1.5kg M=3kg

M=1.5kg M=3kg

M=1.5kg

M=3kg

0.0203

0.0092

0.0172

0.0035

0.0067

0.0097

0.0178

0.0039

0.0071

0.0746

0.2233

0.4021

0.2597

0.4735

0.257

0.435

0.267

0.475

0.0882

0.3434

0.6113

0.3719

0.6678

0.382

0.652

0.396

0.702

0.1153

0.6009

1.0863

0.6118

1.1004

0.613

1.127

0.633

1.137

0.1221

0.6604

1.201

0.6671

1.2109

0.672

1.235

0.682

1.275

0.1424

0.8929

1.6846

0.8035

1.5144

0.929

1.72

0.82

1.59

0.1899

0.853

1.9323

0.8828

1.9748

0.869

1.966

0.895

1.996

0.2034

0.7836

1.9478

0.8174

1.9885

0.791

2.104

0.83

2.224

0.2238

0.4692

1.3928

0.627

1.8526

0.477

1.442

0.643

1.8579

0.2577

0.0118

0.1391

0.0816

0.8995

0.0123

0.1399

0.0825

0.919

Average % deviation

4.44 3.85

3.87

3.31

3.78

Total % deviation

Table 3: Time (s) - deflections (cm) data for numerical and experimental studies for v = 553 cm/s, 1,2 ζ = 0.4, 0.5 , 1,2 μ = 0.5, 0.7333

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