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Browsing by Author Nghiem, Tien Lam

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  • BB

  • Hydrodynamics and morphodynamics of a seasonally forced tidal inlet system.

    • Authors: Vu, Minh Cat; Nghiem, Tien Lam;  Advisor: -;  Participants: - (2009)

  • Hydrodynamics and morphodynamics of a seasonally forced tidal inlet system are investigated using numerical models. The ocean forcing including tidal and wave actions and sediment transport is simulated using Delft3D model. Fluvial processes in Delft3D are taken into account as results from SOBEK-RURAL model. Analysis of the numerical simulation results allows enhancing insight the mechanisms behind the behaviours of the tidal inlet system in a tropical monsoon area under the influences of river flow and seasonal wave actions.
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  • Morphodynamics of Hue tidal inlets, Vietnam / :Asian and Pacific Coasts 2007 September 21-24, 2007, Nanjing, China.

    • Authors: Verhagen, Henk Jan; Nghiem, Tien Lam;  Advisor: -;  Participants: - (2007)

  • Morphodynamics of a tidal inlet system on a micro-tidal coast in a tropical monsoon influenced region is modelled and discussed . Effects of tides, waves, river flows and system configuration on the inlet morphologies are investigated with the aid of process-based state-of-the-art numerical models. Seasonal and episodic behaviour of the inlet system under the influence of the forcing processes is th en described, modelled and explained.
  • BB

  • Sediment transport and morphodynamics of My A inlet, Vietnam, in the low flow season

    • Authors: Nghiem, Tien Lam;  Advisor: -;  Participants: Le, Dinh Thanh; Vu, Minh Cat; Vu, Thi Thu Thuy (2009)

  • Sediment transport and morphodynamics of the My A inlet are simulated and analyzed using Delft3D process-based numerical model. The processes of waves, tides, river flows, sediment transport and bed level changes are taken into account in the simulation model. Based on the simulation results, inlet morphodynamics are analyzed to gain insight into the cause of inlet closure. The main reason of inlet closure is found due to both wave-driven onshore and longshore sediment transports.
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  • Storm surge modeling for coastal structure design

    • Authors: Nghiem, Tien Lam;  Advisor: -;  Participants: Vu, Thi Thu Thuy (2012)

  • Statistical distributions of storm surge are among the essential hydraulic boundary conditions for design of coastal structures. However, observations of storm surge are usually limited and numerical models can be used to provide storm surge information for coastal structure design. But the use of twodimensional hydraulic models for storm surge simulations required a huge computational effort. For this situation, a one dimensional storm surge model can be an efficient tool to compute quickly storm surges over a large time span. This paper presents basic mathematical descriptions and applications of a one dimensional storm surge model including model calibration and model application ...
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  • Validation of near shore wave modeling for Cua Hoi estuary

    • Authors: Nghiem, Tien Lam;  Advisor: -;  Participants: Vu, Thi Thu Thuy (2012)

  • This paper will present an analysis on the near shore wave data characteristics by using anumerical modeling approach. A third generation wave model SWAN is applied for wave simulation in the near shore area of Cua Hoi Estuary, Nghe An province, Vietnam using deepwater wave parameters obtained from the global wave model WAVEWATCH III. A comparison of simulated wave parameters versus visual observations and buoy data is also provided.