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A stabilized single-point finite element formulation for three-dimensional dynamic analysis of saturated soils

McGann, Christopher R. / Arduino, Pedro / Mackenzie-Helnwein, Peter

Abstract A low-order single-point quadrature finite element suitable of dynamic 3D analysis of saturated soils is presented. The new element uses a $u$ -p formulation to consider the interaction of the pore fluid and solid skeleton. An hourglass stabilization scheme facilitates single-point integration for the solid phase terms, and non-residual pressure field stabilization is used to facilitate equal-order interpolation for the two phases and improve element behavior in the incompressible–impermeable limit. Several numerical examples are presented to verify the new element formulation and demonstrate its response in a geotechnical application.

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A stabilized single-point finite element formulation for three-dimensional dynamic analysis of saturated soils

McGann, Christopher R. / Arduino, Pedro / Mackenzie-Helnwein, Peter

Abstract A low-order single-point quadrature finite element suitable of dynamic 3D analysis of saturated soils is presented. The new element uses a $u$ -p formulation to consider the interaction of the pore fluid and solid skeleton. An hourglass stabilization scheme facilitates single-point integration for the solid phase terms, and non-residual pressure field stabilization is used to facilitate equal-order interpolation for the two phases and improve element behavior in the incompressible–impermeable limit. Several numerical examples are presented to verify the new element formulation and demonstrate its response in a geotechnical application.

A stabilized single-point finite element formulation for three-dimensional dynamic analysis of saturated soils

McGann, Christopher R. / Arduino, Pedro / Mackenzie-Helnwein, Peter

Abstract A low-order single-point quadrature finite element suitable of dynamic 3D analysis of saturated soils is presented. The new element uses a $u$ -p formulation to consider the interaction of the pore fluid and solid skeleton. An hourglass stabilization scheme facilitates single-point integration for the solid phase terms, and non-residual pressure field stabilization is used to facilitate equal-order interpolation for the two phases and improve element behavior in the incompressible–impermeable limit. Several numerical examples are presented to verify the new element formulation and demonstrate its response in a geotechnical application.

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Titel:

A stabilized single-point finite element formulation for three-dimensional dynamic analysis of saturated soils

Beteiligte:

McGann, Christopher R. (Autor:in) / Arduino, Pedro (Autor:in) / Mackenzie-Helnwein, Peter (Autor:in)

Erschienen in:

Computers and Geotechnics ; 66 ; 126-141

Erscheinungsdatum:

05.01.2015

Format / Umfang:

16 pages

ISSN:

DOI:

https://doi.org/10.1016/j.compgeo.2015.01.002

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Hourglass stabilization , Reduced integration , Saturated soils , Finite element method

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