Introduction
Nesting is a well-known method to reduce computational time for detailed numerical simulations. The idea is that one overall model is forced from an external source. After that, you will zoom in force the more detailed model with the larger coarser overall model. However, nesting can be a time-intensive procedure. The 'Nesting' toolbox allows nesting an already existing finer model in a larger model to increase resolution in the area of interest, in a matter of minutes. Differently, from domain decomposition the two models can not run in parallel but boundary conditions from the coarser (overall) model need to be generated at first and then provided to the finer model.
The general idea is that under Nesting – 1 a list of monitoring stations in the overall (coarser) model, needed for the interpolation of the boundary conditions, is generated. The actual boundaries of the nested (smaller / finer) model are generated by Nesting - 2 by interpolating the history files of the overall (coarser) model. For more information about nesting, one is referred to the Delft3D-FLOW manual. The Nesting toolbox is supported for Delft3D-FLOW and Delft3D WAVE models.
Usage of the toolbox
The procedure to generate nested boundary conditions consists of few steps after both models have been
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