Wave Transformation Pattern in Submerged Breakwater Planning with 2D Wave Model at Mengening Beach, Badung Regency, Bali, Indonesia

I Dewa Ayu Meia Damayanthi, I Gusti Agung Putu Eryani, I Ketut Yasa Bagiarta
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Abstract

Mengening Beach is located in Badung Regency, Bali, Indonesia. The average erosion rate in Badung Regency is 1.96 m/year, so the right plan is a submerged breakwater to reduce wave energy coming to the beach, which causes erosion. This building artistically does not lessen the beauty of the beach and sea because it’s below the sea mean sea water level (MSL). Because the beach is a tourist area, it is essential to maintain the beauty of the beach. Two-dimensional wave modeling uses the CMS Wave model on SMS software version 10.1 with two modeling scenarios: before and after there is a submerged breakwater. The two-dimensional wave results show that the submerged breakwater plan can dampen waves in the building placement area, which was initially 1.3 m-1.4 m high to 0.9 m-1.3 m, so this submerged breakwater plan can reduce waves by 10%-40%. From this research, readers can learn how to plan a submerged breakwater and know the performance of the planned breakwater function at Mengening Beach.
基于二维波浪模型的印尼巴厘巴东县门吉宁海滩水下防波堤规划中的波浪转换模式
门宁海滩位于印度尼西亚巴厘岛的巴东摄政区。巴东县的平均侵蚀率为1.96米/年,因此正确的计划是建立水下防波堤,以减少到达海滩的海浪能量,从而导致侵蚀。这座建筑在艺术上不会减少海滩和大海的美丽,因为它低于平均海平面(MSL)。因为海滩是一个旅游区,所以保持海滩的美丽是至关重要的。二维波浪建模采用SMS软件10.1版的CMS波浪模型,有两种建模场景:防波堤发生前和发生后。二维波浪分析结果表明,在建筑布置区(初始高度为1.3 m ~ 1.4 m ~ 0.9 m ~ 1.3 m)内,沉波防波堤方案能有效地抑制波浪,可减少10% ~ 40%的波浪。通过本研究,读者可以了解如何规划淹没式防波堤,并了解门宁滩规划防波堤功能的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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