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Unilateral buckling of thin elastic plates by the boundary integral equation method. (English) Zbl 0577.73084
Summary: The unilateral buckling of thin elastic plates, according to Kirchhoff’s theory, is studied by using a boundary integral method. A representation for the second member of the equation is given. In the matrix formulation, boundary unknowns are eliminated; therefore, the unilateral buckling problem reduces to compute the eigenvalues and the eigenvectors of a matrix depending on the contact zone with the rigid foundation. An iterative process allows this zone and the buckling load to be computed. The capacities of the proposed method are illustrated by four examples.

MSC:
74S30 Other numerical methods in solid mechanics (MSC2010)
74G60 Bifurcation and buckling
74K20 Plates
74A55 Theories of friction (tribology)
74M15 Contact in solid mechanics
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