| Computation of Diffraction of Irregular Waves Behind Double Jetty |
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| 作者单位： | Yao Guoquan，Ma Zhixiong and Ding Bingchan Senior Engineer，River and Harbour Department，Nanjing Hydraulic Research Institute，Nanjing Assistant Engineer，River and Harbour Department，Nanjing Hydraulic Research Institute，Nanjing |
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| 摘 要： | The coefficient of deffraction of regular waves behind the double jetty has been computed in this paper at first by using the singularity distribution method. The model tests conducted for diffraction of irregular waves with a unidirectional frequency spectrum have confirmed good agreement between the data measured in experiments and the results computed by the singularity distribution method plus the linear superposition method for the energy of component waves in the directional frequency spectra. Therefore, this technique for component waves in the directional spectra has been further used to compute diffraction of irregular waves of multidirection, including the employment of a directional distribution function of the cos2 type, as well as the Bretschneider-Misuyann frequency spectrum.
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Computation of Diffraction of Irregular Waves Behind Double Jetty |
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| Authors: | Yao Guoquan Ma Zhixiong and Ding Bingchan Senior Engineer River and Harbour |
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| Abstract: | The coefficient of deffraction of regular waves behind the double jetty has been computed in this paper at first by using the singularity distribution method. The model tests conducted for diffraction of irregular waves with a unidirectional frequency spectrum have confirmed good agreement between the data measured in experiments and the results computed by the singularity distribution method plus the linear superposition method for the energy of component waves in the directional frequency spectra. Therefore, this technique for component waves in the directional spectra has been further used to compute diffraction of irregular waves of multidirection, including the employment of a directional distribution function of the cos2 type, as well as the Bretschneider-Misuyann frequency spectrum. |
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| Keywords: | diffraction irregular waves double jetty ocean engineering |
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