3/21/2023 0 Comments Wave diffraction![]() ![]() ![]() A total of 30 wave gauges were used to acquire data with 20 gauges placed on two movable racks for deployment into specified gauge arrangements. Structures 3 and 4 were concerned with wave transportation into the bay. Structure 4 had parallel jetties at the inlet. Structure 3 was an unjettied inlet but included flood currents. Structure 2 was a typical dogleg jetty with shore-normal and 20-deg-angle waves. Structure 1 consisted of a shore-parallel breakwater with the wave generator creating shore-normal and 20-deg-angle waves. Measurements of wave information included use of capacitive wave rods for wave height, acoustic-Doppler velocity sensors for wave direction, and new video-based wave direction measurement system.įour idealized structural configurations were examined with two irregular waves, 0.8 sec, 0.2 ft (6.1 cm), and 1.6 sec, 0.15 ft (4.6 cm), and one regular wave, 0.8 sec, 0.15 ft (4.6 cm). The idealized inlet physical model, created for inlet studies, provided a facility in which to make wave measurements of height and direction in enough detail to document wave diffraction and refraction. Safe navigation, sediment transport into navigation channels, and shoreline erosion are all concerns at coastal inlets and are related to the transformation of waves as they change direction and height due to complex bathymetry and coastal inlet structures. Army Engineer Research and Development Center (ERDC), Coastal and Hydraulics Laboratory (CHL). The study was performed in the Coastal Inlet Research Program’s (CIRP) idealized inlet experimental basin at the U.S. This physical model study of wave refraction-diffraction at structures typically present at coastal inlets was conducted to provide data sets that would aid in the calibration and verification of numerical wave models. Physical model study of wave diffraction-refraction at an idealized inletĮngineer Research and Development Center (U.S.) Please use this identifier to cite or link to this item: ![]()
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