SWAN与CGWAVE嵌套模型在设计波要素计算中的联合应用

摘要

以舟山东福山岛码头为例,利用SWAN与CGWAVE建立的大、小范围波浪嵌套模型对码头附近海域进行波浪计算,经验证表明大范围计算结果准确性较好,从中提取-50 m等深线处波要素作为小范围边界条件,利用CGWAVE模型对码头附近海区进行小范围波浪计算,并提取码头前沿波要素并进行分析.研究结果表明SWAN与CGWAVE模型的联合应用在东福山岛码头设计波浪计算中具有良好的适应性,为港口工程的设计、建设提供了科学依据和理论借鉴.%Taking the pier on Dongfushan island as an example, the distribution of the wave field around the protected area was simulated by the combined application of SWAN with CGWAVE model. Wave simulation of large scale area was carried out and the model was verified to be accurate. Then the wave parameters of-50 m depth contour were chosen from the large scale simulation results as the conditions for small scale wave simulation. The sea area near the pier was simulated by CGWAVE model, and the wave parameters in front of the pier extracted from the results were analyzed. It is found that combining SWAN with CGWAVE model together in design wave computation of Dongfushan pier has a good adaptability, providing important scientific basic and theoretical signifi-cance.