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Shock and Vibration
/
2020
/
Article
/
Tab 18
/
Research Article
Vibrations of Plates with Complex Shape: Experimental Modal Analysis, Finite Element Method, and
R
-Functions Method
Table 18
Comparison of FEM and experimental frequencies (Case
4
).
FEM simulation (Hz)
Experimental (Hz)
Difference (%)
258,57
287,82
10,16
597,43
509,47
−17,27
606,73
598,59
−1,36
862,25
730,24
−18,08
1149,54
1060,18
−8,43
1547,42
1455,78
−6,29
1678,08
1548,43
−8,37
1783,58
1651,66
−7,99