波浪变态模型试验变率影响的计算机仿真研究

Computer Simulation on Distortion Ratio of Wave Distorted Model Test

基于MIKE21软件系统中的Boussincsq模块，应用波浪运动相似关系，建立了以波浪折射和绕射为主的多个不同变率的变态模型，并对不同变率模型的港内波高分布进行了模拟。入射波浪为随机波，变态率取为1—3。通过不同变态模型计算结果和正态模型计算结果以及原型数值计算结果的比较，就变率对试验结果的影响进行了探讨，并给出了不同情况下的变率允许值的适用范围。

Based on the Boussinesq module in MIKE21 software system, distorted models of different distortion ratio under the main condition of refraction or diffraction are established and the numerical simulation of wave height distribution in the harbours of different distortion ratio models are done by the similitude relationship of the wave movement. The incident wave is irregular waves, and the range of distortion ratio is 1-3. By comparing the calculation results of different distorted models as well as undistorted model with prototype, the influence of distortion ratio on test result is discussed and the application range of distortion ratio is presented in different conditions.