Implementation of dual grid technique in BEM analysis of 3D contact problems
Abstract
The work is devoted to the practical application of dual grids in the boundary element method (BEM). Definitions of dual grids on the plane are given and algorithm constructing dual grid for a given triangulation is described. The problem of utilizing two numerical solutions of one problem defined on the couple of dual grids is considered and the results of this technique are demonstrated. The examples from geomechanics modelling the contact interaction of shallow foundations and elastic bases are presented.
References
[2] S.M. Aleynikov. The spatial contact problem for a rigid foundation on the elastic half-space (in Russian). Izv. Vuzov. Construction, N 4: 52- 59, 1997.
[3] S.M. Aleinikov, A.A. Sedaev. Dual grids and their application in the Boundary Element Method. Computational Mathematics and Mathematical Physics, 38: 228- 241 , 1999.
[4] S.M. Aleynikov, S.V. Ikonin. Patent of Russian Federation N 2043462 "Foundation for buildings of tower type on the wedge-shaped base", 1995.
[5] S.M. Aleynikov, S.V. Ikonin. Prevention of non-uniform settlement of foundations. Building Research Journal, 44: 69- 89, 1996.