A Nonlinear Fatigue Damage Model Based on Equivalent Transformation of Stress

Table 4

The comparison of the experimental results, Miner, Manson, and proposed model for GS61 material under two-block loading.

		Experimental			Miner		Manson		Proposed model
Loading sequence	Stress amplitude	n1	d1	d2	d2	Dev/%	d2	Dev/%	d2	Dev/%
Low-high	320–352	110,000	0.341	0.734	0.659	10.22	0.805	9.74	0.708	3.55
	303–352	160,000	0.272	1.03	0.728	29.32	0.920	10.73	0.790	23.33
High-low	352–320	50,000	0.443	0.405	0.557	37.53	0.415	2.49	0.498	23.04
	352–303	50,000	0.443	0.349	0.557	59.60	0.344	1.40	0.461	32.19