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该文通过水池物理模型实验,研究了在1:15的斜坡条件下斜向和多向波浪中破碎的特点。根据波浪类型和岸坡条件将破碎指标分为四类,总结了每一类破碎指标公式的通用形式和系数。对实验中正向和斜向规则波、正向和斜向不规则波、正向和多向不规则波的破碎指标进行了比较和分析。研究结果表明:同等条件下,斜向波的破碎指标较正向波偏大,基于不规则波有效波高的破碎指标小于规则波的,而多向波在波高较大时的破碎波高与正向不规则波相比偏小。
In this paper, through the physical model experiment of the pool, the characteristics of the crushing in oblique and multi-directional waves under 1:15 slope conditions are studied. According to the types of wave and slope conditions, the crushing indexes are divided into four categories, and the common forms and coefficients of each type of crushing index formula are summarized. The breaking indexes of regular and oblique regular wave, positive and oblique irregular wave, positive and multi-directional irregular wave in the experiment were compared and analyzed. The results show that under the same conditions, the breaking index of oblique wave is larger than that of the normal wave, the breaking index based on the effective wave height of the irregular wave is smaller than that of the regular wave, while the breaking wave height and the forward direction of the multi- Irregular waves compared to small.