Non-Hertzian Contact Problems
In most situations, contact problems are outside the validity of the Hertz theory. Due to the fact that the surface of the bodies cannot be considered quadratic near the contact point, or the presence of friction in the contact area, the Hertz solution is not applicable. In such cases, usually analytical solutions are not also available, so an approximate solution has to be obtained, using either a finite element method (see, for example, Okamoto and Nakazawa 1) or a more specific variational formulation (see, for example, singh & paul 2).
KeywordsContact Problem Elastic Foundation Circumferential Stress Finite Element Result Circular Inclusion
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