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The ability to indicate the flow of data, information, material, and energy is crucial to systems engineering and to general modelling of machines, devices, and complex systems for industry, engineering. and science.

There is now also a BIG REFERENCE CARD on ItemFlows showing how to use them to capture communication views in various SysML diagrams:

Webel: SysML: Heard of "follow the money"? In MBSE we "follow the flows"! Identify requests, data packets, messages, signals early on and use ItemFlow as often as you can wherever you can! Adopt a signal processing mindset throughout (systems thinking).

Start section here

Using SysML ItemFlow on an Association to show compatibility with a physical flow

Slides in this section

If you want to navigate the entire section including the additional explanatory text click on the title link of the first slide to view the full slide page, then use the next links to move through the slide pages. If you just want to view the slide images only in sequence, click on any slide to view it larger in a viewer, then click again to move through each slide in this tutorial trail section.

ARCHIVAL

HISTORICAL: On using the plain ol' UML InformationFlow in SysML (but please instead use a SysML ItemFlow without an 'itemProperty' on Associations)