Low‐order stabilized finite element for the full Biot formulation in soil mechanics at finite strain

Summary This article presents a novel finite element formulation for the Biot equation using low‐order elements. Additionally, an extra degree of freedom is introduced to treat the volumetric locking steaming from the effective response of the medium; its balance equation is also stabilized. The acc...

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Veröffentlicht in:	International journal for numerical and analytical methods in geomechanics 2019-05, Vol.43 (7), p.1488-1515
Hauptverfasser:	Monforte, Lluís, Navas, Pedro, Carbonell, Josep Maria, Arroyo, Marcos, Gens, Antonio
Format:	Artikel
Sprache:	eng
Schlagworte:	Anàlisi numèrica Consolidation Enginyeria civil Finite element method Full-Biot Geotècnia Large strains Locking Low-Order Stabilization techniques Matemàtiques i estadística Mathematical analysis Mathematical models Mecànica de sòls Mecànica dels sòls Models matemàtics Mètodes en elements finits Poromechanics Soil Soil mechanics Soil stabilization Steaming Strain Àrees temàtiques de la UPC
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Beschreibung
Zusammenfassung:	Summary This article presents a novel finite element formulation for the Biot equation using low‐order elements. Additionally, an extra degree of freedom is introduced to treat the volumetric locking steaming from the effective response of the medium; its balance equation is also stabilized. The accuracy of the proposed formulation is demonstrated by means of numerical analyses.
ISSN:	0363-9061 1096-9853
DOI:	10.1002/nag.2923