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Numerical Modelling of Offshore Pipeline Flotation during Sand Backfilling: Development and validation of a simplified predictive model

Stelling, Lennart (author)

Offshore pipelines are considered the arteries of the offshore oil and gas industry and transport hydrocarbon products as well as other fluids. During the installation process of an offshore pipeline, the pipeline is most often located in a trench and covered with backfill material. The burial of the pipeline ensures onbottom stability as well...

master thesis 2022

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Boosted robustness of semi-implicit subgrid methods for shallow water flash floods in hills

Stelling, G.S. (author)

The widespread availability of high-resolution Digital Elevation Models (DEM), has led to the development of subgrid numerical modeling techniques, based on Shallow Water Equations (SWE). Detailed DEM data is clustered as much as possible within a coarse grid cell that is preferably much larger than a raster pixel. This has considerable...

journal article 2022

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A numerical study of mixing and stratification dynamics in the Ria de Arousa estuary (nw Spain) during summer

Bermudez, M. (author), Pietrzak, J.D. (author), Cea, L. (author), Puertas, J. (author), Stelling, G.S. (author), De Boer, G.J. (author)

In this paper we explore the role of the river run-off, the tidal regime and the local winds in the dynamics of the Ria de Arousa estuary during the summer period, using for that purpose the numerical model Delft3D. First of all, a simulation under real hydrological and meteorological conditions is conducted in order to validate the ability of...

conference paper 2013

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Development and field validation of a 2DH curvilinear storm impact model

Roelvink, D. (author), Stelling, G. (author), Hoonhout, B.M. (author), Risandi, J. (author), Jacobs, W. (author), Merli, D. (author)

The formulations of the 2DH process-based, nearshore morphological model XBeach were extended to allow for curvilinear grids using a finite volume approach. The formulations were tested for schematic cases such as a circular island and a field validation study was carried out for the case of storm erosion during a construction phase of the soft...

conference paper 2012

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A new vertical approximation for the numerical simulation of non-hydrostatic free surface flows

Stelling, G.S. (author), Kester, J.A.T.M. van (author)

report 2000

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Randvoorwaarden in WAQUA en TRIWAQ: Syllabus workshop

Kester, J.A.T.M. van (author), Stelling, G.S. (author), Bijlsma, A.C. (author), Kaaij, T. van der (author)

report 2000

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Uitbreiding Delft-FLS / koppeling met Sobek - deelrapport: Principes van de koppeling tussen Delft-FLS en Sobek-Lowland (Delft-1D2D)

Stelling, G.S. (author)

report 1999

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Computational modelling flow and transport

Stelling, G.S. (author), Booij, N. (author)

Lecture notes CT wa4340. Derivation of equations using balance principles; numerical treatment of ordinary differential equations; time dependent partial differential equations; the strucure of a computer model:DUFLO; usage of numerical models.

lecture notes 1999

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Volledig impliciete methode in WAQUA

Goede, E.D. de (author), Stelling, G.S. (author), Kester, J.A.T.M. van (author)

report 1997

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3D-numerieke modellering gedeeltelijk geopende Haringvlietsluizen: Sluisformuleringen en testberekeningen voor implementatie in TRIWAQ KEPS02, fase 1

Kester, J.A.T.M. van (author), Stelling, G.S. (author)

report 1996

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3D-numerieke modellering Haringvlietsluizen: Sluisformuleringen voor het Haringvlietcomplex en testberekeningen

Stelling, G.S. (author), Kester, J.A.T.M. van (author), Hulsen, L.J.M. (author)

report 1994

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Een voorstudie naar mogelijke versnellingen van TRIWAQ

Goede, E.D. de (author), Stelling, G.S. (author)

report 1994

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Gevoeligheidsonderzoek 3D-NOORDWIJKRAAI-model: Variaties in roosterafstand, turbulentiemodel, bodemruwheid en windschuifspanning

Kester, J.A.T.M. van (author), Uittenbogaard, R.E. (author), Stelling, G.S. (author)

report 1994

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Een vereenvoudigde numerieke methode in TRISULA

Goede, E.D. de (author), Stelling, G.S. (author)

report 1993

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Barrier-formuleringen in TRISULA-3D: Een voorstudie

Stelling, G.S. (author), Boogaard, H.F.P. van den (author)

report 1993

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A 3D particle model for transport problems in transformed coordinates

Dunsbergen, D.W. (author), Stelling, G. (author)

In this report, transport problems are solved with a particle method that takes into account the Eulerian background flow field. Dispersion and other transport problems can be solved applying this model, as long as the corresponding transport process is formulated with a flux gradient relation, i.e., the advection-diffusion equation. The...

report 1993

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Een flexibel Noordzeemodel in 2 en 3 dimensies, gebruik makend van domeindekompositie: Voorstudie naar de technische en ekonomische haalbaarheid

Stelling, G.S. (author), Gerritsen, H. (author), Mooiman, J. (author)

report 1992

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Versnellen van TRISULA-3D

Kester, J.A.T.M. van (author), Stelling, G.S. (author)

report 1992

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Uniformering van WAQUA rekenroutines inclusief droogvallen en weer onderlopen

Stelling, G.S. (author)

report 1991

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Experiments and computations on unsteady separating flow in an expanding flume

Stelling, G.S. (author), Wang, L.X. (author)

An unsteady, separating flow with a free surface was investigated with a physical model and a numerical model. To simulate tidal flow, the prescribed flow rate at the inflow boundary was a half-period sine function of time. Measurements of velocities and wave heights were conducted by using LDV and a wave-height meter in a straight open channel...

report 1984