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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.54 No.4
- 발행연도
- 2015.1
- 수록면
- 623 - 648 (26page)
이용수
초록· 키워드
오류제보하기
A numerical approach is presented for the analysis of the forced vibration of a rigid surface foundation with arbitrary shape. In the analysis, the foundation is discretized into a number of sub squareelements.
The dynamic response within each sub-element is described by the Green‟s function, which is obtained by the Fourier-Bessel transform and Precise Integration Method (PIM). Incorporating the displacement boundary condition and force equilibrium of the foundation, it obtains a system of linear algebraic equation in terms of the contact forces within each sub-element. Solving the equation leads to the desired dynamic impedance functions of the foundation. Numerical results are obtained for foundation not only with simple geometrical configurations, such as rectangular and circular foundation, but also the case of irregularly shaped foundation. Several comparisons between the proposed approach and other methods are made. Very good agreement is reached. Also, parametric studies are carried out on the dynamic response of foundation. Addressed in this study are the effects of Poisson‟s ratio, material damping and contact condition of soil-foundation interface. Several conclusions are drawn the significance of the factors.
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참고문헌 (45)
참고문헌 신청
Abascal, R. / 1986 / Vibrations of footings on zoned viscoelastic soils / J. Eng. Mech 112(5):433~447
Alarcón, E. / 1989 / Boundary element approach to the dynamic stiffness functions of circular foundation / Int. J. Numer. Anal. Methods Geomech 13(6):645~664
Chave, A. D. / 1983 / Numerical integration of related Hankel transforms by quadrature and continued fraction expansion / Geophys 48(12):1671~1686
Dominguez, J. / 1978 / Dynamic stiffness of rectangular foundation :16152
Ellis, E. / 2001 / Modelling of soil–structure interaction for a piled bridge abutment in plane strain FEM analyses / Comput. Geotech 28(2):79~98
Alarcón, E. / 1989 / Boundary element approach to the dynamic stiffness functions of circular foundation / Int. J. Numer. Anal. Methods Geomech 13(6):645~664
Chave, A. D. / 1983 / Numerical integration of related Hankel transforms by quadrature and continued fraction expansion / Geophys 48(12):1671~1686
Dominguez, J. / 1978 / Dynamic stiffness of rectangular foundation :16152
Ellis, E. / 2001 / Modelling of soil–structure interaction for a piled bridge abutment in plane strain FEM analyses / Comput. Geotech 28(2):79~98
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