Research on improvement of convergence of wave energy caused by entrance channel
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Convergence of wave energy at the entrance caused by channel has some negative impact on the wave conditions in a harbor.The advisable engineering method can improve the condition of berth.Three engineering projects including adding additional breakwater,shallow bottomland dredging and changing channel axial line in a certain engineering case are discussed in this paper. Experimental comparison of a wave numerical model based on Boussinesq quation is carried out.The results show that all the methods can decrease the convergence of wave energy and improve the condition of berth.Only some difference exists in the above methods.Finally,comparison between multi-direction irregular wave and single-direction irregular wave is given to discuss the problem of wave energy concentration.According to the comparison,single-direction irregular wave could lead to danger.