Simple Deformation Models of Contact

The significance of the theory of elastic deformation and plastic yielding for contact models is illustrated by a simplified version of a treatment published by Archard [4]. If we think of a deformable surface 

TABLE 12-2. SPHERICAL ASPERITY MODEL IN ELASTIC AND PLASTIC DEFORMATION 

TABLE 12-3. AREA OF CONTACT AND LOAD MULTIPLE-ORDER ASPERITY MODEL FOR ELASTIC DEFORMATION 

Single sphere with one suborder of spheres (a) Single sphere with two suborders of spheres (b) Array of smooth spheres 

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