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Two- and three-dimensional modelling of half-space and train-track embankment under dynamic loading
Faculty
Engineering
Year:
2000
Type of Publication:
Article
Pages:
559-573
Authors:
Adam, M, Pflanz, G, Schmid, G
DOI:
10.1016/S0267-7261(00)00068-3
Journal:
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING ELSEVIER SCI LTD
Volume:
19
Research Area:
Engineering; Geology
ISSN
ISI:000165573400002
Keywords :
two- and three-dimensional responses, half-space, train-track embankment, wave propagation, BE-BE coupling, BE-FE coupling
Abstract:
Two modelling approaches for the analyses of half-space and train-track embankment on half-space subjected to dynamic loads are presented and compared. A three-dimensional (3D) modelling approach is performed by a coupled Boundary Element-Boundary Element method (BE-BE) and a two-dimensional (2D) one by a coupled Boundary Element-Finite Element method (BE-FE). Both approaches employ time domain algorithms. The comparison between the results of the presented approaches points out whether a problem can be treated as a 2D or as a 3D case. As an application, a parametric study of the wave propagation problem in a train-track embankment with an underlying half-space is presented. (C) 2000 Elsevier Science Ltd. All rights reserved.
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