Table 2: Ratio of the maximum acceleration at the board center to the acceleration of its support contour.

Support

Simply supported board

Clamped board

Configuration

Square

Elongated

Square

Elongated

System

Linear

Nonlinear

Linear

Nonlinear

Linear

Nonlinear

Linear

Nonlinear

Ratio

2.621

5.863

2.273

4.819

2.778

6.334

2.165

4.495