Consolidation problems

García-Suárez, C. and Alarcón Álvarez, Enrique (1982). Consolidation problems. In: "4th. International Seminar on Boundary Element Methods in Engineering", 21/09/1982-23/09/1982, Southampton, England. ISBN 3-540-11819-5.


Title: Consolidation problems
  • García-Suárez, C.
  • Alarcón Álvarez, Enrique
Item Type: Presentation at Congress or Conference (Article)
Event Title: 4th. International Seminar on Boundary Element Methods in Engineering
Event Dates: 21/09/1982-23/09/1982
Event Location: Southampton, England
Title of Book: Boundary Element Methods in Engineering
Date: 1982
ISBN: 3-540-11819-5
Faculty: E.T.S.I. Industriales (UPM)
Department: Mecánica Estructural y Construcciones Industriales [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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The analysis of deformation in soils is of paramount importance in geotechnical engineering. For a long time the complex behaviour of natural deposits defied the ingenuity of engineers. The time has come that, with the aid of computers, numerical methods will allow the solution of every problem if the material law can be specified with a certain accuracy. Boundary Techniques (B.E.) have recently exploded in a splendid flowering of methods and applications that compare advantegeously with other well-established procedures like the finite element method (F.E.). Its application to soil mechanics problems (Brebbia 1981) has started and will grow in the future. This paper tries to present a simple formulation to a classical problem. In fact, there is already a large amount of application of B.E. to diffusion problems (Rizzo et al, Shaw, Chang et al, Combescure et al, Wrobel et al, Roures et al, Onishi et al) and very recently the first specific application to consolidation problems has been published by Bnishi et al. Here we develop an alternative formulation to that presented in the last reference. Fundamentally the idea is to introduce a finite difference discretization in the time domain in order to use the fundamental solution of a Helmholtz type equation governing the neutral pressure distribution. Although this procedure seems to have been unappreciated in the previous technical literature it is nevertheless effective and straightforward to implement. Indeed for the special problem in study it is perfectly suited, because a step by step interaction between the elastic and flow problems is needed. It allows also the introduction of non-linear elastic properties and time dependent conditions very easily as will be shown and compares well with performances of other approaches.

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Item ID: 21312
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Deposited by: Biblioteca ETSI Industriales
Deposited on: 14 Oct 2013 09:58
Last Modified: 21 Apr 2016 11:29
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