Analytical solution methods for non-adhesive contact problem can be classified into two types based on the geometry of the area of contact. A conforming contact is one in which the two bodies touch at multiple points before any deformation takes place (i.e., they just "fit together").
Analytical solution methods for non-adhesive contact problems can be categorized into two types according to the area of contact's shape. A conforming contact is one where the two bodies touch at numerous points before any deformation occurs (i.e., they merely "match up").