Contact Problem for an Elastic Layer on an Elastic Half Plane Loaded by Means of Three Rigid Flat Punches

Table 4

Variation of distance between two punches (𝑏−𝑎)/ℎ that ends interaction of punches with 𝑎/ℎ and (𝑐−𝑏)/ℎ (𝑄=4𝑃, 𝜇₂/𝜇₁=0.36).

𝑎/ℎ	(𝑐−𝑏)/ℎ	(𝑏−𝑎)/ℎ	Punch I		Punch II
			𝜆crright	(𝑥crright−𝑎)/ℎ	𝜆crleft=𝜆crright	(𝑏−𝑥crleft)/ℎ=(𝑥crright−𝑐)/ℎ
0.25	1.5	10.8345	150.2590	3.775	54.1240	3.3816
0.25	1.0	11.8775	164.4214	3.655	49.0259	3.4495
0.25	0.5	12.7008	169.3000	3.628	45.9626	3.5968
0.50	1.0	11.6754	173.4645	3.523	49.0235	3.4494
0.75	1.5	10.4960	176.6011	3.421	54.1289	3.3810