Neural Networks Applied to the Wave-Induced Fatigue Analysis of Steel Risers

Table 5

Stress correlation coefficients (riser top cross section).

Index			EE	NE	NN	NW
#	Hs (m)	Tp (s)
01	0.25	4.95	0.9952	0.9332	0.8018	0.9759
02	0.75	6.33	0.9994	0.9787	0.9631	0.9977
03	1.25	7.02	0.9995	0.9846	0.9845	0.9833
04	1.75	8.41	0.9992	0.9977	0.9975	0.9984
05	2.25	9.11	0.9993	0.9982	0.9954	0.9986
06	2.75	9.81	0.9992	0.9985	0.9976	0.9990
07	3.25	10.51	0.9975	0.9990	0.9982	0.9992
08	3.75	11.21	0.9985	0.9986	0.9988	0.9979
09	4.25	11.91	0.9989	0.9965	0.9983	0.9992
10	4.75	12.62	0.9981	0.9984	0.9987	0.9978
11	5.25	13.32	0.9978	0.9987	0.9976	0.9986
Index			SE	SS	SW	WW
#	Hs (m)	Tp (s)
01	0.25	4.95	0.9613	0.7846	0.7549	0.9841
02	0.75	6.33	0.9740	0.8935	0.9230	0.9991
03	1.25	7.02	0.9791	0.9328	0.9841	0.9992
04	1.75	8.41	0.9968	0.9939	0.9977	0.9977
05	2.25	9.11	0.9983	0.9964	0.9988	0.9988
06	2.75	9.81	0.9992	0.9988	0.9973	0.9989
07	3.25	10.51	0.9994	0.9981	0.9992	0.9980
08	3.75	11.21	0.9994	0.9988	0.9993	0.9982
09	4.25	11.91	0.9993	0.9991	0.9967	0.9976
10	4.75	12.62	0.9994	0.9984	0.9993	0.9980
11	5.25	13.32	0.9974	0.9989	0.9991	0.9786