Coastal mathematical modelling,
Thailand
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For the site selection and conceptual design of a logistic base in Thailand various modelling activities have been carried out. The aim of the modelling work was to provide thefollowing for conceptual design of port (breakwater, access channel, turning basin) and mitigation measures:
- Information for evaluation of options based on dredging quantities, safe navigation, downtime and effects on evolution of adjacent coastline;
- Hydraulic design conditions.
The following activities have been carried out:
- Data collection and pre-processing:
- Offshore wind- and wave data to derive the offshore wave boundary conditions for the shallow water wave modeling;
- Topographic features of the sites under consideration such as land contours, existing and projected breakwaters, etc;
- Preparation of the bathymetry for modelling purposes from various data sources;
- Shallow water wave modelling (SWAN spectral wave model):
Transformation of offshore wave conditions to nearshore conditions;
- Flow modelling (MIKE21 hydrodynamic module) in order to derive 2d flow patterns inside and in the vicinity of the site;
- Morphological modelling (MIKE-ST module) in order to evaluate the mid- to long term effects on coastline developments due to the construction of the breakwater and related mitigation works such as sediment bypassing schemes, groins or offshore breakwaters;
- Channel siltation modelling (MIKE, LITPACK, LITTREN module);
- Harbour siltation modelling (MIKE21-MT);
- Siltation assessment:
Computation of the annual dredging volumes will be computed and the recurrence dredging interval for the considered layouts;
- Determination of design parameters;
- Reporting.
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