The evaluation of impedance functions in the analysis of foundations vibrations using
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The evaluation of impedance functions in the analysis of foundations vibrations using
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The evaluation of impedance functions in the analysis of foundations vibrations using boundary element method

Author: E. C¸ elebia, *, S. Fıratb , _ I. C¸ ankayac | Size: 2.2 MB | Format: PDF | Quality: Unspecified | Publisher: Applied Mathematics and Computation 173 (2006) 636–667 | Year: 2006 | pages: 32


[Image: info.png]

The basic step in the substructure approach based on discretization of the soil medium
for the soil–structure interaction problems is to determine the impedance functions which are defined as the complex dynamic-stiffness coefficients of the soil-footing system are used in the analysis of foundations vibrations. In this study, the discrete values of impedance functions over wide ranges of frequency-factors are presented for both surface- supported and embedded foundations. The numerical results are obtained by using the substructure approach in the frequency domain which is formulated on basis of the Boundary Element Method derived from the fundamental solution for a homogeneous, isotropic and linear-elastic continuum. To further demonstrate in practical applications and to show the solutions of this type of problems to civil engineers, a comprehensive parametric analysis and systematic calculations are performed with various controlling parameters to evaluate the dynamic response of the vibrating soil–foundation system. In


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#2
The evaluation of impedance functions in the analysis of foundations vibrations using boundary element method

Author: E. C¸ elebi a,*, S. Fırat b, _I. C¸ ankaya c | Size: 3.2 MB | Format: PDF | Quality: Unspecified | Publisher: Applied Mathematics and Computation 173 (2006) 636–667 | Year: 2006 | pages: 32

[Image: 14642745989988761181.jpg]


[Image: info.png]

The basic step in the substructure approach based on discretization of the soil medium for the soil–structure interaction problems is to determine the impedance functions which are defined as the complex dynamic-stiffness coefficients of the soil-footing system are used in the analysis of foundations vibrations. In this study, the discrete values of impedance functions over wide ranges of frequency-factors are presented for both surface- supported and embedded foundations. The numerical results are obtained by using the substructure approach in the frequency domain which is formulated on basis of the Boundary Element Method derived from the fundamental solution for a homogeneous, isotropic and linear-elastic continuum. To further demonstrate in practical applications and to show the solutions of this type of problems to civil engineers, a comprehensive parametric analysis and systematic calculations are performed with various controlling parameters to evaluate the dynamic response of the vibrating soil–foundation system.

[Image: download.png]
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