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

Table 1

Mesh sizes of the applied grids.

	Grid size (cm)	Relative error (%)	Computational time (min)
Grid 1	1.0 × 1.0	6.3	12
Grid 2	0.87 × 0.87	2.97	41
Grid 3	0.6 × 0.6	1.93	234
Grid 4	0.5 × 0.5	1.65	352