A Method for Nonlinear Dynamic Response Analysis of Semi-infinite Foundation Using Mapping  

Oleh:

Choon, Kil Lee ; Lee, Hack Yong ; Young, Jong Kang

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: KSCE Journal of Civil Engineering vol. 11 no. 2 (2007), page 93-99.
Topik: Nonlinear Structure; Semi-InfInite Foundation Soil; Nonlinear Response Analysis; Finite Difference Method

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: KK25.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This paper presents development of special finite difference method for the nonlinear dynamic response analysis of semi-infinite foundation soil. Semi-infinite domain is mapped into the finite domain using special mapping. For the region of engineering interest, mapping is isometrical, and for far field, shrink mapping which transforms infinite interval into finite interval is adopted. Using linear and nonlinear constitutive models, the responses of semi-infinite foundation soil are computed by the authors proposed method with a small mesh model and an extensive mesh model. Surface loadings or incident earthquake waves are applied to the models in the computations. Good agreements were obtained among the theoretical results of two models and the effectiveness of the proposed method was demonstrated.

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