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    题名 作者 年代 出处 被引量
1不同波峰定义对波峰统计特征值的影响显示文摘在三维随机海浪数值模拟的基础上,获得了波峰的空间分布。为了验证由不同的波峰定义方法得到的波峰长度和波峰方向角等特征量的准确性,对直接利用波峰边界上距离最远的两点之间距离定义波峰长度和利用椭圆拟合波峰和以椭圆的要素定义波峰长度2种不同方法得到的波峰长度统计结果进行了比较,发现由2种方法定义得到的波峰特征量的值基本一致,尤其是波峰长度个数的统计值极为接近,由2种方法得到的统计值精确度相当。这表明,不同定义方法对边界不规则波峰长度统计值的影响较小。张寒元 于定勇 柳枝 2004海洋科学进展2004,22,1:0
2Crest-Height Distribution of Nonlinear Random Waves显示文摘The wave crest is an important factor for the design of both fixed and floating marine structures.Wave crest height is a dominant parameter in assessing the likelihood of wave-in-deck impact and resultant severe damage.Many empirical and theoretical distribution functions for wave crest heights have been proposed,but there is a lack of agreement between them.It is of significance to develop a better new nonlinear wave crest height distribution model.The progress in the research of wave crest heights is reviewed in this paper.Based on Stokes' wave theory,an approximate nonlinear wave crest-height distribution formula with simple parameters is derived.Two sets of measured data are presented and compared with various theoretical distributions of wave crests obtained from nonlinear wave models and analysis of the comparison is given in detail.The new crest-height distribution model agrees well with observations.Also,the new theoretical distribution is more accurate than the other methods cited in this paper and has a greater range of applications.LI Cuilin YUDingyong GAOYangyang YANG Junxian 2010Journal of Ocean University of China2010,9,1:0
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