Numerical simulation of wave transmitting through a bamboo fence
Bamboo fences have been used to reduce the impact of waves on mangroves that were newly planted during the restoration of the coastal forest belt that was lost at the coast of the Mekong Delta. The reduction effect of this bamboo fence is simulated by the SWASH model in this study. The results show that when the fence is submerged in water, the reduction effect is smaller than if the water level is equal to or less than the crest height of the fence. The reduction coefficient increases as the wave period decreases and vice versa. The wave reduction coefficient varies from 0.15 to 0.35 if the crest freeboard of the bamboo fence has a value of 0 to 2. Drag coefficient and its scatter are increased as kd increasing.
bamboo fence; wave reduction coefficient; SWASH.
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