The software operates on a finite difference method (and finite volume method in some modules), solving the equations of mass and momentum conservation (specifically, the depth-integrated Navier-Stokes equations). This mathematical foundation allows it to accurately simulate phenomena such as tidal currents, wind-driven circulation, storm surges, and wave propagation.
The software operates primarily by solving depth-integrated shallow water equations across a computational mesh. Key modules include: Springer Nature Link MIKE 21 SW - Spectral Waves FM - DHI dhi mike 21
MIKE 21 excels in complex coastal and sediment transport scenarios where commercial support is critical. HEC-RAS is better for purely riverine flood mapping on a budget. The software operates on a finite difference method
This module calculates the transport of non-cohesive sediment (sand) under the combined action of currents and waves. It computes bed load and suspended load, leading to predictions of bed level changes (morphodynamics). Key modules include: Springer Nature Link MIKE 21
MIKE 21 is fundamentally a two-dimensional, dynamic modeling system. Its core engine solves the depth-integrated equations of mass, momentum, and transport, allowing it to simulate a wide range of physical phenomena. The primary application areas include:
Used extensively in coastal, marine, and estuarine engineering, it allows professionals to simulate and analyze physical processes in water environments to support infrastructure design and environmental management.
This module simulates the growth, decay, and transformation of wind-generated waves and swells. It is essential for coastal engineering projects, capable of handling:
