Research Article

A Dynamic Coefficient Matrix Method for the Free Vibration of Thin Rectangular Isotropic Plates

Table 11

Natural frequencies for three edges clamped and one edge pinned plate (C-C-C-S).

Mode NumberNatural Frequencies (Hz)
Exact Value [13]DCM Method

1130.34130.34
2231.30231.30
3335.40335.40
4389.44389.44
5427.90427.90