3-D Flexible Embedded Machine Foundations by BEM and FEM

by Alexandros P. Gaitanaros, Univ of South Carolina, Columbia, SC, USA,
Dimitris L. Karabalis, Univ of South Carolina, Columbia, SC, USA,

Document Type: Proceeding Paper

Part of: Recent Applications in Computational Mechanics


A study on the dynamic response of three-dimensional flexible massless foundations of arbitrary shape, embedded in a homogeneous, isotropic and linear elastic half-space and subjected to externally applied forces is presented. The numerical method employed is a combination of the frequency domain Boundary Element Method, which is used to simulate the elastic soil medium, and the Finite Element Method, on the basis of which the stiffness matrix of the flexible foundation is obtained. The foundation and soil media are combined by enforcing the compatibility and equilibrium conditions at their common interface.

Subject Headings: Machine foundations | Elastic foundations | Finite element method | Boundary element method | Equipment and machinery | Elastic analysis | Soil analysis | Dynamic response

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