A direct boundary element method for Signorini problems. (English) Zbl 0705.65084

In order to solve Signorini problems by a direct boundary element method, the problem is reduced to an equivalent boundary variational inequality, whereas an indirect boundary element method for solving Signorini problems has been considered by the author in an earlier paper [Lect. Notes Math. 1297, 38-49 (1987; Zbl 0645.73048)]. Moreover, the derived boundary variational inequality has been shown to be also equivalent to a saddle-point problem. The solvability of a discrete approximation of the derived boundary variational inequality is proved and an error estimate for the discrete solution is obtained.
Reviewer: M.Krätzschmar


65N38 Boundary element methods for boundary value problems involving PDEs
74A55 Theories of friction (tribology)
74M15 Contact in solid mechanics
35J85 Unilateral problems; variational inequalities (elliptic type) (MSC2000)


Zbl 0645.73048
Full Text: DOI


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