Analytical and Experimental Study of Focused Wave Action on a Partially Immersed Box

Table 1

Convergence of pressure and wave forces acting on box.

(a) Case 1: = 0.6 Hz, = 5 cm, d = 0.5 m, h = 0.025 m and B = 0.6 m

Truncation; order	Pressure (kPa) at the position of						Wave force
	P0	P1	P2	P3	P4	P5	(N)	(N)	(N·m)
1	0.58	0.33	0.30	0.27	0.25	0.23	12.6	166.3	10.9
4	0.57	0.33	0.30	0.27	0.25	0.23	12.5	170.6	11.6
6	0.57	0.33	0.30	0.27	0.25	0.23	12.6	170.9	11.7
8	0.57	0.33	0.30	0.27	0.25	0.23	12.8	170.8	11.7
10	0.58	0.33	0.30	0.27	0.25	0.23	12.9	170.7	11.7
12	0.58	0.33	0.30	0.27	0.25	0.23	13.0	170.6	11.6
14	0.58	0.33	0.30	0.27	0.25	0.23	13.1	170.5	11.6
16	0.58	0.33	0.30	0.27	0.25	0.23	13.2	170.5	11.6

(b) Case 2: = 1.0 Hz, = 8 cm, d = 0.5 m, h = 0.15 m and B = 0.6 m

Truncation; order	Pressure (kPa) at the position of						Wave force
	P0	P1	P2	P3	P4	P5	(N)	(N)	(N·m)
1	0.79	0.27	0.23	0.20	0.16	0.13	139.6	124.0	2.8
4	0.78	0.25	0.22	0.19	0.16	0.13	142.8	121.2	2.2
6	0.80	0.25	0.22	0.19	0.16	0.13	143.7	120.7	2.0
8	0.80	0.25	0.22	0.19	0.16	0.13	143.7	120.8	2.0
10	0.81	0.25	0.22	0.19	0.16	0.13	143.8	120.6	1.9
12	0.81	0.25	0.22	0.19	0.16	0.13	143.9	120.6	1.9
14	0.80	0.25	0.22	0.19	0.16	0.13	143.9	120.5	1.9
16	0.80	0.25	0.22	0.19	0.16	0.13	144.0	120.5	1.9