Can I realize allocated activity flows on structure?

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Can I realize allocated activity flows on structure?

Postby tmiller@mitre.org » Sun Feb 10, 2019 1:19 pm

This seems like it should work, so clearly I'm missing something.

Given an allocated activity with object flows:
Activity Context.png


Can these flows be realized on a connector in an equivalent IBD:
Context.png


Such that I can generate a white-box ICD (or equivalent table)?

I'd like to model my behaviors first, then allocate to structure and aggregate the flows. That way I can examine the impact of different allocations on that aggregation. For example, if the flows are data and IBD connectors are communications channels, I could easily study channel utilization impacts for different functional allocations.

Interestingly, this works exactly as I expect with UAF/UPDM. E.g.:
Top-level function.png

System Context.png


With the UAF plugin & stereotypes, exchanges can be realized on any connector and trace through allocation relationships. E.g., if I make an association between A and B on Rs-Tx, I can realize the same exchanges:
Resource Taxonomy.png


In UAF, Exchanges also aggregate, compose, and inherit in a logical and consistent way.

But for the life of me I can't mimic that capability with SysML. What am I missing? Is there a better way? Thanks in advance.

-- T
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