Earthquakes and Structures

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Efficient and accurate domain-truncation techniques for seismic soil-structure interaction

  • Guddati, Murthy (Department of Civil, Construction and Environmental Engineering, North Carolina State University) ;
  • Savadatti, Siddharth (Faculty of Engineering, University of Georgia)
  • Received : 2011.12.09
  • Accepted : 2012.04.10
  • Published : 2012.06.25
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Abstract

We modify the formulation of a recently developed absorbing boundary condition (ABC), the perfectly matched discrete layers (PMDL), to incorporate the excitation coming from the exterior such as earthquake waves. The modified formulation indicates that the effect of the exterior excitation can be incorporated into PMDL ABCs (traditionally designed to treat only interior excitation) simply by applying appropriate forces on the nodes connected to the first PMDL layer. Numerical results are presented to clearly illustrate the effectiveness of the proposed method.

Keywords

References

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