Earthquakes and Structures

  • 제3권2호
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  • Pages.97-115
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  • 2012
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
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Two-dimensional energy transmitting boundary in the time domain

  • 투고 : 2011.07.13
  • 심사 : 2011.10.30
  • 발행 : 2012.04.25
⟨ 이전 논문 다음 논문 ⟩

초록

The energy-transmitting boundary, which is used in the well-known finite element method (FEM) program FLUSH, is quite efficient for the earthquake response analysis of buildings considering soil-structure interaction. However, it is applicable only in the frequency domain. The author proposed methods for transforming frequency dependent impedance into the time domain, and studied the time domain transform of the boundary. In this paper, first, the estimation methods for both the halfspace condition under the bottom of the soil model and the pseudo three-dimensional effect were studied with the time domain transmitting boundary. Next, response behavior when using the boundary was studied in detail using a practical soil and building model. The response accuracy was compared with those using viscous boundary, and the boundary that considers the excavation force. Through these studies, the accuracy and efficiency of the proposed time domain transmitting boundary were confirmed.

키워드

참고문헌

  1. Kozo Keikaku Engineering Inc. and Jishin kougaku kenkyusho Inc. (2003), "Super FLUSH/2D theoretical manual Ver.4"
  2. Lysmer, J. and Kuhlelameyer, R.L. (1969), "Finite dynamic model for infinite area", J. Eng. Mech.-ASCE, 95(EM3), 859-877.
  3. Lysmer, J., Udaka, T., Seed, H.B. and Hwang, R.N. (1975a), "FLUSH: a computer program for pseudo 3-D analysis of soil-structure interaction problems", Report No.EERC75-30, University of California, Berkeley.
  4. Lysmer, J., Udaka, T., Tsai, C.F. and Seed, H.B. (1975b), "ALUSH a computer program for seismic response analysis of axisymmetric soil-structure systems", Report No.EERC75-31, University of California, Berkeley.
  5. Nakamura, N. (2006a), "A practical method to transform frequency dependent impedance to time domain", Earthq. Eng. Struct. D., 35(2), 217-234. https://doi.org/10.1002/eqe.520
  6. Nakamura, N. (2006b), "Improved methods to transform frequency dependent complex stiffness to time domain", Earthq. Eng. Struct. D., 35(8), 1037-1050. https://doi.org/10.1002/eqe.570
  7. Nakamura, N. (2007), "Practical causal hysteretic damping", Earth. Eng. Struct. D., 36(5), 597-617. https://doi.org/10.1002/eqe.644
  8. Nakamura, N. (2008), "Seismic response analysis of deeply embedded nuclear reactor buildings considering frequency dependent soil impedance in time domain", Nucl. Eng. Des., 238(7), 1845-1854. https://doi.org/10.1016/j.nucengdes.2007.12.006
  9. Nakamura, N. (2009a), "A Study on nonlinear seismic response analysis of buildings considering frequency dependent soil impedance in time domain", Int. J. Int. Multis. Mech., 2(1), 91-107.
  10. Nakamura, N. (2009b), "Nonlinear response analysis of soil-structure interaction system using transformed energy transmitting boundary in the time domain", Soil Dyn. Earthq. Eng., 29(5), 799-808. https://doi.org/10.1016/j.soildyn.2008.08.004
  11. Okumura, M., Udaka, T., Tada, K. and Onami, M. (1982), "Efficiency of base viscous dashpot boundary on soilstructure interaction analysis", Proceeding of 4th Symposium for computational system utilization, Architectural Institute of Japan, 151-156.
  12. Tajimi, H. (1980), "A contribution to theoretical prediction of dynamic stiffness of surface foundations", Proceeding of 7th World Conference on Earthquake Engineering, Istanbul, Turkey, 105-112.

피인용 문헌

  1. Three-Dimensional Energy Transmitting Boundary in the Time Domain vol.1, 2015, https://doi.org/10.3389/fbuil.2015.00021