Numerical Manifold Method for the Forced Vibration of Thin Plates during Bending

Table 2

Velocity and acceleration of the manifold calculation and their relative errors.

Elements	𝑥=𝑎/3, 𝑦=𝑏/3, Δ𝑡=5×10^−3 s, 𝑡=50Δ𝑡
	𝑊^′𝑡 (×10^−1 m/s)	𝜂𝑡	𝑊^′𝑡𝑡 (m/s^2)	𝜂𝑡𝑡
3×3	6.2981	0.57	−33.705	1.81
5×5	6.2088	1.98	−33.693	1.85
7×7	6.2127	1.92	−34.199	0.38
9×9	6.2228	1.76	−34.437	0.32
Theoretical solution	6.3340	0.00	−34.328	0.00