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A three-field finite element procedure for analysis of elastic wave propagation through fluid-saturated soils
A three-field mixed finite element procedure for the analysis of wave propagation through fluid-saturated porous soils is presented. This approach uses the solid displacement, the fluid displacement relative to the solid and the pore-fluid pressure as the field variables. Thus, a continuous pore pressure field is ensured and pore pressure boundary conditions, e.g., free-draining surfaces can be easily handled. Application of the procedure to a one-dimensional problem shows good agreement with the analytical solution. However, the method is more expensive than the customary two-field formulation using the solid and the relative fluid displacements as the field variables.
A three-field finite element procedure for analysis of elastic wave propagation through fluid-saturated soils
A three-field mixed finite element procedure for the analysis of wave propagation through fluid-saturated porous soils is presented. This approach uses the solid displacement, the fluid displacement relative to the solid and the pore-fluid pressure as the field variables. Thus, a continuous pore pressure field is ensured and pore pressure boundary conditions, e.g., free-draining surfaces can be easily handled. Application of the procedure to a one-dimensional problem shows good agreement with the analytical solution. However, the method is more expensive than the customary two-field formulation using the solid and the relative fluid displacements as the field variables.
A three-field finite element procedure for analysis of elastic wave propagation through fluid-saturated soils
Sandhu, Ranbir S. (author) / Shaw, H.L. (author) / Hong, S.J. (author)
Soil Dynamics and Earthquake Engineering ; 9 ; 58-65
1987-09-15
8 pages
Article (Journal)
Electronic Resource
English
| British Library Online Contents | 2002