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Consistent formulation of direct and substructure methods in nonlinear soil-structure interaction
Abstract Both direct and substructure methods of dynamic soil-structure interaction analysis can be treated using a common analytical model with difference being restricted only to the definition of boundary conditions of the bounded soil zone. It is shown that a consistent formulation of the problem equally applicable to both methods can be achieved in which true nonlinear behaviour of the bounded soil zone (near-field) can be taken into account in the time domain through properly defined constitutive models. However, for the linear boundary conditions to be imposed on the near-field inevitably involves the application of the principle of superposition resulting in a linear far-field approximation. Therefore, the bounded soil zone taken should be large enough in both methods to reduce the adverse effects of the far-field linearization.
Consistent formulation of direct and substructure methods in nonlinear soil-structure interaction
Abstract Both direct and substructure methods of dynamic soil-structure interaction analysis can be treated using a common analytical model with difference being restricted only to the definition of boundary conditions of the bounded soil zone. It is shown that a consistent formulation of the problem equally applicable to both methods can be achieved in which true nonlinear behaviour of the bounded soil zone (near-field) can be taken into account in the time domain through properly defined constitutive models. However, for the linear boundary conditions to be imposed on the near-field inevitably involves the application of the principle of superposition resulting in a linear far-field approximation. Therefore, the bounded soil zone taken should be large enough in both methods to reduce the adverse effects of the far-field linearization.
Consistent formulation of direct and substructure methods in nonlinear soil-structure interaction
Aydinoğlu, M.Nuray (author)
Soil Dynamics and Earthquake Engineering ; 12 ; 403-410
1993-10-21
8 pages
Article (Journal)
Electronic Resource
English
Consistent formulation of direct and substructure methods in nonlinear soil-structure interaction
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