Study on the Effect of Different Delamination Defects on Buckling Behavior of Spar Cap in Wind Turbine Blade

Table 2

Buckling eigenvalues of FE analysis.

	Order	h = 4	h = 3	h = 2	h = 1
Delaminate area	1	42.636	42.623	42.534	38.201
	2	95.355	95.345	94.391	43.334
	3	103.06	103.01	102.08	60.397
	4	137.08	137.02	121.94	85.139
	5	165.22	165.05	137.94	87.243
	6	197.16	197.08	158.38	95.791
Delaminate area	1	41.226	41.153	41.070	18.191
	2	88.140	88.092	64.774	28.951
	3	91.639	91.162	88.945	40.451
	4	129.28	120.32	91.391	40.729
	5	143.57	129.92	105.68	42.803
	6	176.95	148.75	126.07	53.590
Delaminate area	1	37.651	37.136	36.486	10.640
	2	76.330	73.187	43.620	16.981
	3	78.337	77.827	59.469	23.830
	4	113.55	87.960	76.912	23.844
	5	118.89	113.47	83.001	31.163
	6	119.31	116.76	92.039	37.284