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首页> 外文会议>Port development in the changing world (PORTS 2004) >Use of Numerical and Statistical Wave Models in the Structural Design and Operational Analysis of Harbor and Near-shore Structures
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Use of Numerical and Statistical Wave Models in the Structural Design and Operational Analysis of Harbor and Near-shore Structures

机译：数值和统计波动模型在港口和近岸结构的结构设计和运行分析中的应用

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摘要

Numeric and statistical wave models allow the waterfront engineer to quickly and accurately evaluate site specific wave conditions. Infrequent return period storms typically govern the wave criteria for structural design. However, day to day wave climate may have a significant impact on the operation of a facility. This paper will examine the wave statistics utilized to determine both maximum and daily design wave conditions. As wave or wind data are not always available on a site specific basis, the paper will also discuss use of numerical wave models to transfer the wave data to the site of interest. rn Available sources of wind and wave data are discussed. The available data must be analyzed and converted to the appropriate statistical value for the required analysis. For infrequent storm conditions, a “peaks over threshold” analysis method is utilized to determine return period wave or wind conditions. Daily operational conditions are determined utilizing a joint probability distribution for a finite number of direction/wind speed or direction/wave period and wave height/period bins. Once the design wind and wave statistics are calculated, the numeric wave models are utilized to transfer the waves to site. Examples of use of the described methodology are provided including: design of a mooring system for container barge; design of a near-shore mooring system for aquaculture applications; and site evaluation for nearshore wave to energy facilities.
机译：数值和统计波浪模型使海滨工程师能够快速而准确地评估特定地点的波浪状况。很少有返回期的风暴通常会控制结构设计的波浪准则。但是，每天的波浪气候可能会对设施的运行产生重大影响。本文将研究用于确定最大和每日设计波浪状况的波浪统计数据。由于并非总是根据特定地点提供海浪或风数据，因此本文还将讨论使用数值波浪模型将海浪数据传输到感兴趣的地点。讨论了可用的风浪数据来源。必须分析可用数据并将其转换为用于所需分析的适当统计值。对于偶发的暴风雨情况，可使用“峰值超过阈值”分析方法来确定返回周期的波浪或风况。利用联合概率分布来确定有限数量的方向/风速或方向/波浪周期以及波浪高度/周期区间的日常运行条件。一旦计算出设计风和波浪的统计数据，就可以使用数字波浪模型将波浪传递到现场。提供了所描述的方法的使用示例，包括：设计用于集装箱驳船的系泊系统；设计用于水产养殖的近岸系泊系统；以及对近海能源设施波的现场评估。

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