Wind Tunnel Tests for Wind Pressure Distribution on Gable Roof Buildings

Table 3

Eigenvalues, contribution proportions, and cumulative contribution proportions for the pressure field on M1.

Mode	0°			45°			90°
	Eigenvalue	Contribution proportion (%)	Cumulative contribution proportion (%)	Eigenvalue	Contribution proportion (%)	Cumulative contribution proportion (%)	Eigenvalue	Contribution proportion (%)	Cumulative contribution proportion (%)
1st	41.69	27.43	27.43	37.75	24.84	24.84	34.22	22.51	22.51
2nd	19.25	12.67	40.10	22.02	14.49	39.33	14.23	9.36	31.87
3rd	15.01	9.88	49.97	13.90	9.15	48.47	11.12	7.32	39.19
4th	9.76	6.42	56.39	9.77	6.43	54.90	10.60	6.97	46.17
5th	7.16	4.71	61.10	6.69	4.40	59.31	7.40	4.87	51.03
6th	6.47	4.26	65.36	4.89	3.22	62.52	5.79	3.81	54.85
7th	4.11	2.70	68.06	4.09	2.69	65.22	4.93	3.25	58.09
8th	3.70	2.43	70.50	3.68	2.42	67.63	4.18	2.75	60.84
9th	2.49	1.63	72.13	3.01	1.98	69.61	3.52	2.32	63.16
10th	2.37	1.56	73.69	2.76	1.82	71.43	3.40	2.23	65.39
20th	0.98	0.65	82.91	1.11	0.73	82.15	1.37	0.90	77.76
50th	0.27	0.18	93.05	0.29	0.19	93.29	0.39	0.26	90.83
100th	0.09	0.06	98.37	0.08	0.06	98.50	0.12	0.08	97.84
120th	0.06	0.04	99.35	0.05	0.03	99.37	0.07	0.05	99.17
152th	0.00	0.00	100.00	0.01	0.00	100.00	0.00	0.00	100.00