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Chapter III. Numerical Modeling
III.1. Introduction
In order to model marine, coastal, and estuarine areas, a diverse range of digital modeling
software options exist. These models have been developed by universities, research institutions,
and private companies. While certain models have been made commercially available, others are
primarily intended for academic research purposes (Symonds et al., 2017).
The DHI Mike 21 model was chosen for the wave simulations in this study.
III.2. Presentation of the model
DHI MIKE 21 is a numerical model widely used to simulate ocean wave propagation in offshore
and coastal environments. Developed by the Danish Hydraulic Institute, the model is based on
the spectral density conservation method, which allows it to accurately capture the complex
interactions between wave energy and the environment. MIKE 21 includes features such as wave
refraction, and shoaling related to bathymetry variations, wave generation and dissipation, and
can be used to simulate a wide range of wave conditions and scenarios. To use MIKE 21 for
wave simulation, a mesh must first be generated using the Mesh Generator tool within the MIKE
software suite. The mesh is typically composed of triangular elements in the horizontal plane,
which can be refined in areas of interest to increase resolution.
III.2.1. Mesh Generator
The Mesh Generator is an advanced tool that provides a workspace for creating detailed digital
meshes for use in Mike zero flexible mesh (FM) models. It is critical to provide these new
generation models with a suitable mesh in order to obtain reliable results from model
simulations.
III.2.2. MIKE SW
MIKE SW is an advanced numerical modeling software specifically designed for simulating
wave propagation in shallow water environments. By incorporating various physical phenomena,
including wave refraction, shoaling, wind-generated wave generation, frictional dissipation,
breaking, and wave-current interaction, the software provides accurate predictions of wave
Chapter III. Numerical Modeling
III.1. Introduction
In order to model marine, coastal, and estuarine areas, a diverse range of digital modeling
software options exist. These models have been developed by universities, research institutions,
and private companies. While certain models have been made commercially available, others are
primarily intended for academic research purposes (Symonds et al., 2017).
The DHI Mike 21 model was chosen for the wave simulations in this study.
III.2. Presentation of the model
DHI MIKE 21 is a numerical model widely used to simulate ocean wave propagation in offshore
and coastal environments. Developed by the Danish Hydraulic Institute, the model is based on
the spectral density conservation method, which allows it to accurately capture the complex
interactions between wave energy and the environment. MIKE 21 includes features such as wave
refraction, and shoaling related to bathymetry variations, wave generation and dissipation, and
can be used to simulate a wide range of wave conditions and scenarios. To use MIKE 21 for
wave simulation, a mesh must first be generated using the Mesh Generator tool within the MIKE
software suite. The mesh is typically composed of triangular elements in the horizontal plane,
which can be refined in areas of interest to increase resolution.
III.2.1. Mesh Generator
The Mesh Generator is an advanced tool that provides a workspace for creating detailed digital
meshes for use in Mike zero flexible mesh (FM) models. It is critical to provide these new
generation models with a suitable mesh in order to obtain reliable results from model
simulations.
III.2.2. MIKE SW
MIKE SW is an advanced numerical modeling software specifically designed for simulating
wave propagation in shallow water environments. By incorporating various physical phenomena,
including wave refraction, shoaling, wind-generated wave generation, frictional dissipation,
breaking, and wave-current interaction, the software provides accurate predictions of wave