Fluid-Structure Interaction Effects on the Propulsion of an Flexible Composite Monofin

Table 1

Natural frequencies (Hz) of the fin in the case of 0°/90°/0°/90°/0°.

Oriented fibers	In vacuum
	0°/90°	12.6	76.0	205.3
0°/90°/0°	29.3	122.9	265.0
0°/90°/0°/90°	22.6	90.1	192.0
0°/90°/0°/90°/0°	28.8	79.7	185.1