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Browsing by Subject "Coastal engineering"

Now showing items 1-20 of 29

Application of an autonomous robot for the collection of nearshore topographic and hydrodynamic measurements

Wübbold, Frauke; Hentschel, Matthias; Vousdoukas, Michalis I.; Wagner, Bernardo (Reston : American Society of Civil Engineers, 2012)

Beach topographic and hydrodynamic measurements are essential for coastal geology and engineering studies as well as sustainable coastal management. Standard approaches involve either time-consuming manual data acquisition ...
Breaking wave kinematics, local pressures, and forces on a tripod support structure

Hildebrandt, Arndt; Schlurmann, Torsten (Reston : American Society of Civil Engineers, 2012)

This paper presents breaking wave loads on a tripod structure from physical model tests and numerical simulations. The large scale model tests (1:12) are described as well as the validation of the three dimensional numerical ...
Comparative analysis of suspended sand concentration recorded with different techniques in a rippled bed regime

Ahmari, Alireza; Oumeraci, Hocine; Gruene, Joachim (Reston : American Society of Civil Engineers, 2010)

Sediment entrainment processes due to the oscillatory flow above rippled and plane sea beds are fundamentally different. Whereas above plane beds the sheet flow or bed load regime dominates and the momentum transfer is ...
Dune migration and sand transport rates in tidal estuaries: The example of the river elbe

Zorndt, Anna; Wurpts, Andreas; Schlurmann, Torsten; Ohle, Nino; Strotmann, Thomas (Reston : American Society of Civil Engineers, 2010)

Large parts of the tidal estuary of river Elbe (Germany) are characterized by regular patterns of sand dunes. They are presumed to evolve due to complex sand transport mechanisms and show multi-faceted migration patterns. ...
Experimental investigation of debris-induced loading in tsunami-like flood events

Stolle, Jacob; Takabatake, Tomoyuki; Mikami, Takahito; Shibayama, Tomoya; Goseberg, Nils; Nistor, Ioan; Petriu, Emil (Basel : MDPI AG, 2017)

Debris loads during flood events have been well-documented by forensic engineering field surveys of affected communities. Research has primarily focused on debris impact loading and less emphasis has been placed into ...
Experimental investigations on wave transmission at submerged breakwater with smooth and stepped slopes

Lokesha; Kerpen, Nils B.; Sannasiraj, S.A.; Sundar, V.; Schlurmann, Torsten (Amsterdam : Elsevier, 2015)

Submerged breakwaters are gaining more popularity as a potential coastal protection structure resulting in moderate wave transmission with significant wave energy dissipation. Submerged breakwaters are mainly adopted to ...
Experimental study on the performance of coarse grain materials as scour protection

Schendel, Alexander; Goseberg, Nils; Schlurmann, Torsten (Reston : American Society of Civil Engineers (ASCE), 2014)

Large scale hydraulic model tests were carried out to investigate the erosive potentials, bed stability and the performance as scour protection of wide-graded quarry-stone material with fractions ranging from 0.063 - 200 ...
Focused wave generation in laboratory flumes over uneven bottom

Fernández, Hernan; Venkatachalam, Sriram; Schimmels, Stefan; Budzik, Mariusz; Oumeraci, Hocine (Reston : American Society of Civil Engineers (ASCE), 2014)

A proper design of offshore and coastal structures requires further knowledge about extreme wave events. Such waves are highly nonlinear and may occur unexpectedly due to diverse reasons. One of these reasons is wave-wave ...
Generation and propagation of ship-borne waves - Solutions from a Boussinesq-type model

David, C. Gabriel; Roeber, Volker; Goseberg, Nils; Schlurmann, Torsten (Amsterdam : Elsevier BV, 2017)

Ship-borne waves are of significant interest for the design of port and waterway infrastructure and the maintenance of its surrounding environment. Computation of these nonlinear and dispersive waves has mainly been focusing ...
Hydraulic performance of elastomeric bonded permeable revetments and subsoil response to wave loads

Oumeraci, Hocine; Staal, T.; Pförtner, S.; Kudella, M.; Schimmels, Stefan; Verhagen, H.J. (Reston : American Society of Civil Engineers, 2010)

Elastomeric bonded permeable revetments, also called PBA (Polyurethane bonded aggregate) revetments, are highly porous structures made of mineral aggregates (e.g. crushed stones) which are durably and elastically bonded ...
Influence of convex and concave curvatures in a coastal dike line on wave run-up

Subramaniam, Suba Periyal; Scheres, Babette; Schilling, Malte; Liebisch, Sven; Kerpen, Nils B.; Schlurmann, Torsten; Altomare, Corrado; Schüttrumpf, Holger (Basel : MDPI AG, 2019)

Due to climatic change and the increased usage of coastal areas, there is an increasing risk of dike failures along the coasts worldwide. Wave run-up plays a key role in the planning and design of a coastal structure. ...
The influence of extreme events on hydrodynamics and salinities in the weser estuary in the context of climate impact research

Zorndt, Anna C.; Schlurmann, Torsten; Grabemann, Iris (Reston : American Society of Civil Engineers, 2012)

The salinity and its longitudinal distribution in the Weser estuary, Germany, has implications for water management as the estuarine water is needed, e.g., for irrigation of the agricultural used hinterlands and as industrial ...
Influence of retention areas on the propagation of storm surges in the Weser estuary

Zorndt, Anna C.; Goseberg, Nils; Schlurmann, Torsten (Reston : American Society of Civil Engineers (ASCE), 2014)

The hydrodynamics of estuaries are forced by the tides from the open sea and the river runoff from the catchment area. The hinterland is often low-lying and densely populated and must therefore be protected by dikes. ...
Interaction of idealized urban infrastructure and long waves during run-up and on-land flow process in coastal regions

Goseberg, Nils; Schlurmann, Torsten (Reston : American Society of Civil Engineers, 2012)

This paper reports experimental results of long wave run-up climbing up a 1:40 sloping beach. The resulting maximum run-up is compared with analytical results and a good agreement is found for single sinusoidal waves with ...
Investigations on scour development around a gravity foundation for offshore wind turbines

Wilms, Mayumi; Stahlmann, Arne; Schlurmann, Torsten (Reston : American Society of Civil Engineers, 2012)

Due to insufficient insights about the scour development around the STRABAG gravity foundation, the Franzius-Institute conducted small- and large-scale physical model tests in wave flumes on a scale of 1:50 and 1:17 in ...
Investigations on scour development at tripod foundations for offshore wind turbines: Modeling and application

Stahlmann, Arne; Schlurmann, Torsten (Reston : American Society of Civil Engineers, 2012)

Regarding offshore constructions, there is still a lack in knowledge of scour progression for complex structures like foundations for offshore wind energy converters at present, which is however necessary for its dimensioning. ...
Loading of vertical walls by overtopping bores using pressure and force sensors - A large scale model study

Ramachandran, Karunya; Genzalez, Rebecca Roldan; Oumeraci, Hocine; Schimmels, Stefan; Kudella, Matthias; Van Doorslaer, Koen; De Rouck, Julien; Versluys, Tom; Trouw, Koen (Reston : American Society of Civil Engineers, 2012)

This study is based on the data obtained from tests carried out in the Large Wave Flume (Grosser Wellenkanal (GWK)) in Hannover in the frame of a joint research project of Ghent University (Belgium) and Forschungszentrum ...
Long wave propagation, shoaling and run-up in nearshore areas

Sriram, V.; Didenkulova, I.; Schimmels, Stefan; Sergeeva, A.; Goseberg, Nils (Reston : American Society of Civil Engineers (ASCE), 2014)

This paper discusses the possibility to study propagation, shoaling and run-up of these waves over a slope in a 300-meter long large wave flume (GWK), Hannover. For this purpose long bell-shaped solitary waves (elongated ...
Modelling wave-induced residual pore pressure and deformation of sand foundations underneath caisson breakwaters

El Safti, Hisham; Kudella, Matthias; Oumeraci, Hocine (Reston : American Society of Civil Engineers, 2012)

A finite volume model is developed for modelling the behaviour of the seabed underneath monolithic breakwaters. The fully coupled and fully dynamic Biot's governing equations are solved in a segregated approach. Two ...
Near-field tsunami hazard map Padang, West Sumatra: Utilizing high resolution geospatial data and reseasonable source scenarios

Schlurmann, Torsten; Kongko, W.; Goseberg, N.; Natawidjaja, D.H.; Sieh, K. (Reston : American Society of Civil Engineers, 2010)

Near-field tsunami propagation both in shallow water environments and bore-like wave propagation on land are conducted in this study to obtain fundamental knowledge on the tsunami hazard potential in the city of Padang, ...

Now showing items 1-20 of 29

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Browsing by Subject "Coastal engineering"

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