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 (%)

258,57287,8210,16
597,43509,47−17,27
606,73598,59−1,36
862,25730,24−18,08
1149,541060,18−8,43
1547,421455,78−6,29
1678,081548,43−8,37
1783,581651,66−7,99