The model is typically applied with as much 25,000 computational points over periods of several years or even decades. The model is computationally a parallel code (written in Fortran) with parallelizations in all modules, which allows for simulations of morphological developments on fine grids over long periods of time. the water depth multiplied by the velocity vector) defined with direction as the local grid base vector. The hydrodynamic model solves the Saint-Venant equations in two dimensions with the water depth defined in cell centers and a staggered velocity field (internally the code solves the flux field, i.e.

In its basic form the model is a 2-dimensional hydrodynamic model that can simulate dynamic as well as quasi-steady or steady-state hydrodynamic solutions. MIKE 21C can be used for designing protection schemes against bank erosion, evaluating measures to reduce or manage shoaling, analyzing alignments and dimensions of navigation channels for minimizing capital and maintenance dredging, predicting the impact of bridge, tunnel and pipeline crossings on river channel hydraulics and morphology, optimizing restoration plans for habitat environment in channel floodplain systems, designing monitoring networks based on morphological forecasting.ĭue to its accurate descriptions of the physical processes, MIKE 21C can simulate a braided river developing from a plane bed, which was illustrated by Enggrob & Tjerry (1998).Īs most other models made by DHI, MIKE 21C applies an add-on concept in which the overall time-loop can contain processes to be simulated, selected by the user. Simulated processes with MIKE 21C include bank erosion, scouring and shoaling brought about by activities such as construction and dredging, seasonal fluctuations in flow, etc. MIKE 21C uses curvilinear finite difference grids. MIKE 21C is a computer program that simulates the development in the river bed and channel plan form in two dimensions. ( Learn how and when to remove this template message) JSTOR ( May 2020) ( Learn how and when to remove this template message).

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