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Dynamic response of finite sized elastic runways subjected to moving loads: A coupled BEM/FEM approach. (English) Zbl 0842.73074
The boundary element approach and the coupled finite element-boundary element approach are presented to analyse the dynamic response of elastic half-space alone and that of an elastic runway resting on an elastic half-space, respectively, due to moving loads. Numerical analyses are carried out to study the dynamic response of pavements. The numerical results show good agreement with the analytical solutions based on the continuous foundation model, but differ from those based on the discrete Winkler model. A parametric study is also presented to investigate the effects of various parameters on the dynamic response of the considered systems. The method can be extended to include multi-layer foundations and nonlinear deformations of soil.

MSC:
74S15 Boundary element methods applied to problems in solid mechanics
74S05 Finite element methods applied to problems in solid mechanics
74H45 Vibrations in dynamical problems in solid mechanics
74L10 Soil and rock mechanics
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