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

Table 10

Amplitude and frequency of the heaving pontoon for breakwater number 2.

Wave specifications
	Exciting waves		Response of pontoon (from FFT)		Frequency error (%)	RAO
	0.3	1.33E − 02	0.918	1.23E − 02			0.941	2.450	0.921
0.4	1.00E − 02	1.094	9.85E − 03	1.070	2.231	0.985
0.5	8.00E − 03	1.238	9.61E − 03	1.273	2.840	1.202
0.6	6.67E − 03	1.362	5.81E − 03	1.372	0.750	0.872
0.7	5.71E − 03	1.473	2.59E − 03	1.468	0.353	0.453
0.8	5.00E − 03	1.576	6.17E − 04	1.575	0.053	0.123
0.9	4.44E − 03	1.672	2.78E − 04	1.695	1.389	0.062
1.0	4.00E − 03	1.762	2.10E − 04	1.748	0.814	0.052