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shahabedin chatraee azizabadi
About me
- First name
- shahabedin
- Last name
- chatraee azizabadi
- Gender
- Male
- City
- Tallinn
- Country
- Estonia
Work information
- Title
- Effective fully-reflective boundary conditions at the shore for modeling of wave processes in lD
- Position
- Other
- Research focus
- sustainable energy-Environmental aspects of fluid dynamics in channels- Wave energy estimation
Nonlinear wave transformation in the coastal zone is usually studied in the framework of 2D shallow-water or Bousinesq equations. However, as a result of refraction, waves propagate almost normally to the shore in the near shore region and can be described by 1D linear (and non linear) equations. If the wave is long enough, its amplification at the coast is moderate. That is why fully-reflective boundary conditions, corresponding to the vertical sea wall at some small depth, have become so popular. The accuracy of this assumption is studied here with application to the inclined bay of parabolic cross-section. More over The possibility of forecast of run-up heights at the coast using calculated wave heights at the wall is discussed.
Two different problems corresponding to different bottom topographies are considered: (i) wave run-up in the linearly inclined bay which can be solved by normal boundary condition, and (ii) wave impact on the vertical wall placed at some depth of the same linearly inclined bay. The connection between wave run-up and water oscillations at the wall for the same incoming wave field is established. This connection can be used in many practical applications, for example, in coastal planning and defense and in real-time forecast of tsunami run-up height. Based on obtained formulas, a method for express-estimates of wave run-up heights and flow velocity at the coast using simulated wave oscillations at the sea wall is developed.
Competencies
- Core Skill Areas
-
Wave Theory
Mooring Systems
Control engineering
Water hydraulics
Fluid Dynamics
- Numerical Modelling /Programming /Computing
- Physical Experiments
-
Shallow Water Waves
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