3-D Flexible Embedded Machine Foundations by BEM and FEMby Alexandros P. Gaitanaros, Univ of South Carolina, Columbia, SC, USA,
Dimitris L. Karabalis, Univ of South Carolina, Columbia, SC, USA,
Abstract: 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: Boundary element method | Finite element method | Machine foundations | Elastic analysis | Soil dynamics | Soil analysis
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