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

Figure 6

Separation displacement 𝑣^∗(𝑥,0) between elastic layer and elastic half space as a function of 𝑥 for various values of second punch load 𝑄(𝜇₂/𝜇₁=6.48, 𝑎/ℎ=0.75, (𝑏−𝑎)/ℎ=1, (𝑐−𝑏)/ℎ=1.5, and 𝜆=50>𝜆_cr), (*: [35]).