Turn Off Parts of the Model

Using the Special Conditions feature, you can turn off elements in your model and in effect shutdown entire sections. If the model runs when certain sections are closed, this could indicate a problem with one of the components in the closed section.

A large model with a group of pipes in black and a group of pipes in yellow.

Figure 1: The pipes in black are open to flow, while the pipes in yellow have been closed using special conditions, meaning that Fathom will automatically set their flow solution to 0

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