Torsion Dynamic Behaviour of the Ship Hull Made out of Layered Composites

Table 1

Natural frequencies (Hz).

Mode no.	TORS	FE	TORS	FE	Experiment
	Model 1	Model 1	Model 2	Model 2
1	309	301	300	298	290
2	329	319	323	313	307
3	353	342	347	337	332
4	368	373	361	367	359
5	416	411	403	406	395