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运动坐标系下海浪数值模拟 总被引：4，自引：1，他引：3
以运动坐标系中的海浪谱为靶谱应用静止坐标系中随机波面的模拟方法－－线性叠架法和线性过滤法模拟均速运动坐标系听随机波面,给出了两种方法的原理及模拟手续。通过模拟实验发现,在高速运动的坐标系中线性叠架法优于线生过滤法,在低速情形,线性过滤法好于线性叠加法,并在模拟技术上给出了各参数的选取方法。 相似文献
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Studying the relationship between wave steepness and wave age is important for describing wind wave growth with energy balance equation of significant waves. After invoking the dispersion rela- tion of surface gravity wave in deep water, a new relationship between wave steepness and wave age is revealed based on the “3/2-power law” (Toba, 1972), in which wave steepness is a function of wave age with a drag coefficient as a parameter. With a given wave age, a larger drag coefficient would lead to larger wave steepness. This could be interpreted as the result of interaction between wind and waves. Comparing with previous relationships, the newly proposed one is more consistent with observational data in field and laboratory. 相似文献
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