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Finite element formulation and algorithms for unsaturated soils. Part I: theory

Autor
Sheng, D.; Sloan, S.; Gens, A.; Smith, D.
Tipus d'activitat
Article en revista
Revista
International journal for numerical and analytical methods in geomechanics
Data de publicació
2003-08
Volum
27
Número
9
Pàgina inicial
745
Pàgina final
765
DOI
https://doi.org/10.1002/nag.295 Obrir en finestra nova
URL
http://onlinelibrary.wiley.com/doi/10.1002/nag.295/pdf Obrir en finestra nova
Resum
This paper presents a complete finite-element treatment for unsaturated soil problems. A new formulation of general constitutive equations for unsaturated soils is first presented. In the incremental stress–strain equations, the suction or the pore water pressure is treated as a strain variable instead of a stress variable. The global governing equations are derived in terms of displacement and pore water pressure. The discretized governing equations are then solved using an adaptive time-step...
Grup de recerca
MSR - Mecànica del Sòls i de les Roques

Participants

  • Sheng, D  (autor)
  • Sloan, S W  (autor)
  • Gens Sole, Antonio  (autor)
  • Smith, D W  (autor)