WAVE ATTENUATION BY A COMBINATION OF SUBMERGED-EMERGED POROUS BREAKWATER
Porous breakwaters play an important role in protecting our coastline. A comprehensive study on the effectiveness of the porous breakwater should be conducted before it is installed in the field. We will use a mathematical model using shallow water equation to determine the wave attenuation cause...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/72950 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Porous breakwaters play an important role in protecting our coastline. A comprehensive
study on the effectiveness of the porous breakwater should be conducted
before it is installed in the field. We will use a mathematical model using shallow
water equation to determine the wave attenuation caused by a combination of
mangroves and reefball as a submerged and emerged porous breakwater in this
study. We will construct two layer model to capture both types of the breakwaters.
We then solve the model analytically and numerically in order to find the wave
transmission coefficient. This coefficient tells us how much damping is induced
by the combined breakwaters. A validation method will be carried out to assess
the correctness of our numerical model using analytical solution and experimental
data. In addition, we also examine the relation between the dimensions and characteristics
of both the submerged and emerged breakwaters in terms of minimizing
the amplitude of the wave coming to the coast. We hope this finding may help
researchers in the field of coastal protection. |
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