Simulation with KALYPSO-1D

Regarding a quite homogeneous natural river a one-dimensional simulation is effective and a fast method to compute an averaged water depth and velocity. In this case homogeneity also includes composed cross-section with vegetation, a slightly meandered river with hydraulic structures in the channel and bifurcations. Only secondary flow processes such as turbulence and superelevations of the water level in a cross-section as a result of a strong meandered flow etc., should be examined in a 2D-simulation.
Based on the "BWK-Merkblatt 1" the creation of a hydraulic model in order to delimitate inundation areas is structured into three steps: Collecting data, configuration of the model and calibration.

In the following examples and studies the one-dimensional steady model called KALYPSO-1D is described and applied. In order to compute a water shallow equation a preliminary work and a fundamental knowledge is necessary to deal with this application. Finally the hydraulic know-how and engineering appreciation is postulated in order to check the results and the simulated outcomes.


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