Comparison of two projection methods for the solution of frictional contact problems

Boundary Value Problems

Table 2 Number of iterations for each method

ρ	Self-adaptive projection method				Modified self-adaptive projection method
ρ	h = 0.4	h = 0.2	h = 0.1	h = 0.05	h = 0.4	h = 0.2	h = 0.1	h = 0.05
1	53	64	71	55	43	47	50	51
10	49	62	72	62	42	45	48	38
10²	50	55	59	55	40	44	47	49
10³	47	58	64	57	39	42	45	46
10⁴	49	59	71	63	41	44	48	48
10⁵	49	57	61	54	42	44	46	48
10⁶	53	63	70	54	45	46	49	49
10⁷	54	65	74	67	46	48	52	54