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Numerical Simulation of Sand Shoreline Evolution Under Action of Regular Waves and Irregular Waves
作者单位:Tao Jianhua Tian Zhenfu Professor,Dept. of Mechanics,Tianjin University,Tianjin Assistant,Dept. of Mathematics,Ningxia University,Yinchuan,Ningxia Hui Autonomous Region
摘    要:Based on the singleline theory, a numerical simulation is presented to predict the shoreline evolution on sand beach. A parabolic equation of longshore sediment transport and boundary conditions are proposed. The combined effect of wave diffraction and refraction on the shoreline evolution on the downdrift side of the breakwater is taken into account and is calculated using the theory of regular waves and irregular waves. The present model is verified by the field observation data of erosion for half a year on the downdrift side of a harbor, and compared with some experimental results. The numerical results are in good agreement with the field measured and experimental data.


Numerical Simulation of Sand Shoreline Evolution Under Action of Regular Waves and Irregular Waves
Authors:Tao Jianhua Tian Zhenfu Professor  Dept of Mechanics  Tianjin University  Tianjin Assistant  Dept of Mathematics  Ningxia University  Yinchuan  Ningxia Hui Autonomous Region
Abstract:Based on the singleline theory, a numerical simulation is presented to predict the shoreline evolution on sand beach. A parabolic equation of longshore sediment transport and boundary conditions are proposed. The combined effect of wave diffraction and refraction on the shoreline evolution on the downdrift side of the breakwater is taken into account and is calculated using the theory of regular waves and irregular waves. The present model is verified by the field observation data of erosion for half a year on the downdrift side of a harbor, and compared with some experimental results. The numerical results are in good agreement with the field measured and experimental data.
Keywords:numerical simulation  shoreline evolution  singleline theory  irregular waves  breakwater
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