Comparison of numerical formulations for the modeling of tensile loaded suction buckets

The tensile resistance of a suction bucket is investigated using three different numerical formulations. The first formulation utilizes the three-field u-p-U formulation accounting for solid and fluid displacements, u and U, as well as the pore-fluid pressure, p. The two other formulations comprise...

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Veröffentlicht in:Computers and geotechnics 2017-03, Vol.83, p.198-208
Hauptverfasser: Sørensen, E.S., Clausen, J., Damkilde, L.
Format: Artikel
Sprache:eng
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Zusammenfassung:The tensile resistance of a suction bucket is investigated using three different numerical formulations. The first formulation utilizes the three-field u-p-U formulation accounting for solid and fluid displacements, u and U, as well as the pore-fluid pressure, p. The two other formulations comprise the simpler u-p formulation in its dynamic and quasi-static form, accounting only for solid displacement and pore-fluid pressure. As basis for comparison, the tensile resistance of a single suction bucket is investigated using a velocity-driven model for a wide range of velocities. It is found, that the quasi-static u-p formulation is sufficient for most relevant velocities.
ISSN:0266-352X
1873-7633
DOI:10.1016/j.compgeo.2016.10.026