A 1:100-scale model of Port Hueneme Harbor, California, and sufficient offshore area of the Pacific Ocean to permit generation of the required long-period test waves was used to investigate the effects of a proposed expansion of the harbor on mooring conditions and harbor oscillations. The proposed expansion consisted of a 710- by 450-ft extension of the east basin in northeasterly direction. A 56-ft-long wave machine and electrical wave- height measuring and recording apparatus were utilized in model operation. In addition, results obtained on two mathematical models of harbor oscillation were compared with the hydraulic model test results. It was concluded that the expansion of the east basin will not adversely affect mooring and navigation conditions in most areas of the existing harbor. For wave periods greater than 130 sec, ships moored in the vicinities of wharf 3 and the west end of wharf 1 in the new basin will experience a change in ship motion components; however, these effects should be minimal dependent upon the mooring system used. It also was concluded that the mathematical models give a reasonably good comparison with the hydraulic model within certain limitations; however, further research is necessary to develop the full potential of numerical harbor oscillation models. Mathematical models describing the free and forced oscillations of open or closed basins, such as the finite element method and Lee's method used in this report, can be of value in determining the approximate frequencies at which resonance can be expected and in expediting physical model operation.


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    Title :

    Expansion of Port Hueneme, California: Hydraulic Model Investigation



    Published in:

    Publication date :

    1975


    Size :

    18216167


    Type of media :

    Report


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :


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