Table 1 Nodal and antinodal positions of free–free longitudinal vibration
Mode | Node | Anti-node |
|---|---|---|
1st | l/2 | 0, l |
2nd | l/4, 3l/4 | 0, l/2, l |
3rd | l/6, l/2, 5l/6 | 0, l/3, 2l/3, l |
4th | l/8, 3l/8, 5l/8, 7l/8 | 0, l/4, l/2, 3l/4, l |
5th | l/10, 3l/10, l/2, 7l/10, 9l/10 | 0, l/5, 2l/5, 3l/5, 4l/5, l |