Investigating the Response Amplitude Operator of a Heaving Pontoon under the Influence of a Submerged Trapezoidal Breakwater

Table 11

Amplitude and frequency of the heaving pontoon for breakwater number 3.

Wave specifications
	Exciting waves		Response of pontoon (from FFT)		Frequency error (%)	RAO
	0.3	1.33E − 02	0.918	1.12E − 02		0.922	0.349	0.838
0.4	1.00E − 02	1.094	1.15E − 02	1.096	0.144	1.147
0.5	8.00E − 03	1.238	9.93E − 03	1.242	0.335	1.241
0.6	6.67E − 03	1.362	6.33E − 03	1.372	0.750	0.950
0.7	5.71E − 03	1.473	2.85E − 03	1.469	0.285	0.498
0.8	5.00E − 03	1.576	9.15E − 04	1.579	0.201	0.183
0.9	4.44E − 03	1.672	3.22E − 04	1.659	0.764	0.072
1.0	4.00E − 03	1.762	2.34E − 04	1.750	0.700	0.059