Introduction

The Advanced Nesting toolbox continues where the Nesting toolbox stops. In the normal Nesting Toolbox it was possible to apply a two-level nesting, however, in practical application often more nesting steps are required. The Advanced Nesting toolbox gives the possibility to define a so-called tree structure. This means that the user can define the hierarchical nature of multiple numerical models. On top of that, more models are supported than in the Nesting toolbox. The following models are supported: Delft3D-FLOW, WAVE, FLOW+WAVE, XBeach, XBeach transects and LISFLOOD.

Usage of the toolbox: tree structure

In Tree Structure the user can link multiple numerical models with one XML file. In the XML file information related to the numerical models (i.e. model type, coordinate system, nesting sequence) are saved. After the hierarchical nature is defined Delft Dashboard will create observation points in the models and run the models plus create boundary conditions if needed. This loop will continue till all simulations have finished.


Apply the tree structure can be done in 5 steps:

  1. Add the models you would like to nest. Make sure you define the proper coordinate system and define the  hierarchical nature
  2. Create an XML of the tree structure by clicking on the 'Make observations'.
  3. Create observations by clicking on the 'Make observations'.
  4. Run the batch script by clicking on the 'Run batch script'.
    1. For Deltares users it is possible to run on the H6 cluster.
    2. For non-Deltares users select the 'local' option.

Figure: in the tree structure of the Advanced Nesting Toolbox the user needs to define all relevant information and can nest all the models

Usage of the toolbox: draw boxes

In Draw Boxes the user can create a complete nesting train of the same model within a couple of minutes. The supported models for draw boxes are Delft3D-FLOW, Delft3D-WAVE and Delft3D-FLOW coupled with WAVE.

 

Creating a full nesting train can be done in 4 steps:

  1. Define the grid outlines for the different models. Each model can be rotated in the GUI
  2. Change the settings of each model to what you would like
  3. Create all individual models
  4. Apply the 'Tree Structure' in the previous tab.

 

Figure: impression of the Advanced Nesting Toolbox were by drawing a couple of boxes a nesting train can be created.

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