نتایج جستجو برای: Longshore Sediment Transport (LST)

تعداد نتایج: 307451  

2006
Ping Wang

Aiming at improving present understanding on longshore sediment transport (LST), the U.S. Army Engineer Research and Development Center recently established a Large-scale Sediment Transport Facility (LSTF). The 3dimensional movable-bed facility has the capability of simulating wave conditions that are directly comparable to annual averages along many low energy coasts. Wave, current, and sedime...

Journal: :civil engineering infrastructures journal 0
samira ardani ph.d. candidate, texas a & m university, college station, tx., (formerly, graduate student, k.n. toosi university of technology, tehran, iran) mohsen soltanpour associate professor, k.n. toosi university of technology, tehran, iran

in this paper, the large amount of sedimentation and the resultant shoreline advancements at the breakwaters of beris fishery port are studied. a series of numerical modeling of waves, sediment transport, and shoreline changes were conducted to predict the complicated equilibrium shoreline. the outputs show that the nearshore directions of wave components are not perpendicular to the coast whic...

2003
Ernest R. Smith Ping Wang Jun Zhang

Longshore transport experiments were conducted in a large-scale physical model to evaluate predictions of the CERC formula with measured longshore sediment transport rates. It was found that the CERC formula produced reasonable estimates if the coefficient K was calibrated and applied to waves with similar breaker type. The calibrated K values are much smaller than values that are commonly used...

N. Talebbeydokhti and M. Nikmanesh,

In this paper, longshore sediment transport in littoral zones is investigated. For investigation of sediment transport in the nearshore zone, the effects of waves, currents and topographical conditions of coast are considered. Linear wave theory was used for the investigation of the wave behaviour. Governing equations of littoral current are continuity and momentum ones. For calculating concent...

N. Talebbeydokhti and M. Nikmanesh,

In this paper, longshore sediment transport in littoral zones is investigated. For investigation of sediment transport in the nearshore zone, the effects of waves, currents and topographical conditions of coast are considered. Linear wave theory was used for the investigation of the wave behaviour. Governing equations of littoral current are continuity and momentum ones. For calculating concent...

2016
R. Bakhtyar

This is the second of two papers on the 3D numerical modeling of nearshore hydroand morphodynamics. In Part I, the focus was on surf and swash zone hydrodynamics in the cross-shore and longshore directions. Here, we consider nearshore processes with an emphasis on the effects of oceanic forcing and beach characteristics on sediment transport in the crossand longshore directions, as well as on f...

2016
R. Bakhtyar

The major objective of this study was to develop further understanding of 3D nearshore hydrodynamics under a variety of wave and tidal forcing conditions. The main tool used was a comprehensive 3D numerical model – combining the flow module of Delft3D with the WAVE solver of XBeach – of nearshore hydroand morphodynamics that can simulate flow, sediment transport, and morphological evolution. Su...

Journal: :Coastal Engineering Proceedings 1978

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