Hierarchy

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Hierarchy

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Any main model (or system) in 20-sim may be described as a composition of lower level submodels. These submodels themselves may again be described as a composition of lower level submodels etc. The lowest level consists of elementary submodels, which do not consist of submodels themselves.

 

PartOfModelHierarchy

20-sim supports

hierarchic model. The lowest model in the hierarchy is always an equation model.

You can inspect this in the Editor. If you click the Model tab at the left of the Editor, the Model Browser shows complete model hierarchy: a tree like structure showing all the submodels that are used in the model. If you open the example model Examples\Control\Standard Control\FluidLevelControl the tree will look like:

ModelHierarchy

The Model Browser at the left of the Editor shows the complete model hierarchy.

Tip

To travel through the hierarchy, click any model in the tree and press ENTER to go down. Press Backspace to go up.
You can also select a submodel in the Graphical Editor and click Go Up GoUp or Go Down GoDown from the Model menu.
When a model is very large you may want to use the Go Back GoBack or Go Forward GoForward buttons from the Model menu to travel back and forth between branches in the hierarchy.