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

Table 9

Amplitude and frequency of the heaving pontoon for breakwater number 1.

Wave specifications
	Exciting waves		Response of pontoon (from FFT)		Frequency error (%)	RAO
	0.3	1.33E − 02	0.918	1.36E − 02			0.924	0.556	1.017
0.4	1.00E − 02	1.094	1.12E − 02	1.100	0.510	1.121
0.5	8.00E − 03	1.238	9.82E − 03	1.267	2.355	1.228
0.6	6.67E − 03	1.362	5.59E − 03	1.374	0.897	0.839
0.7	5.71E − 03	1.473	2.08E − 03	1.478	0.326	0.363
0.8	5.00E − 03	1.576	5.70E − 04	1.566	0.624	0.114
0.9	4.44E − 03	1.672	2.08E − 04	1.659	0.764	0.047
1.0	4.00E − 03	1.762	1.85E − 04	1.752	0.587	0.046