Fatigue Strength Assessment of Trimaran Cross-Deck Structure Based on Spectral and Simplified Fatigue Method

Table 2

Load combinations.

Wave direction	Load cases	Load components
		Head seas	1	1.0	—	—	0.3	—	—	0.2
2	—		1.0	—	—	0.3	—	0.2
Beam seas	3	0.1	—	—	1.0	—	0.2	—
	4	—	0.1	—	—	1.0	0.2	—
Oblique seas	5	—	—	0.3	0.4	—	1.0	0.3
	6	—	—	1.0	0.4	—	—	0.2
	7	—	0.2	0.2	0.6	—	—	1.0