REDUCING WAVE SHOALING OVER A LINEAR TRANSITION BOTTOM WITH A SUBMERGED POROUS BREAKWATER
Wave shoaling phenomenon caused by changes in the seabed morphology can cause significant damage to coastal areas. One way to dispel the phenomenon is by forming a breakwater construction. We will examine the effect of porous breakwater on shoaling phenomena over a linear transition bottom. There...
محفوظ في:
| المؤلف الرئيسي: | |
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| التنسيق: | Theses |
| اللغة: | Indonesia |
| الوصول للمادة أونلاين: | https://digilib.itb.ac.id/gdl/view/81447 |
| الوسوم: |
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| المؤسسة: | Institut Teknologi Bandung |
| اللغة: | Indonesia |
| الملخص: | Wave shoaling phenomenon caused by changes in the seabed morphology can
cause significant damage to coastal areas. One way to dispel the phenomenon is
by forming a breakwater construction. We will examine the effect of porous
breakwater on shoaling phenomena over a linear transition bottom. There are
two types of problems reviewed in this study, namely the wave transmission
coefficient and resonance phenomena. Analytically, we will find the value of wave
transmission coefficient and basin’s natural period using a modified shallow
water equation model for the two-layer case. The basin’s natural period value is a
parameter needed to observe the resonance phenomenon. Afterwards, we will do
several simulations using numerical scheme which is derived from the finite
volume method on a staggered grid. Variations due to linear transition bottom are
reviewed together along the implementation of dumping coefficients from the
porous breakwater to reduce the effects of emerging phenomena, one of which is
the resonance phenomena.
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