MBSE with GENESYS 12 31 2023

Using Threads to Bridge from Problem to Solution

• Define distinct classes of threads based on use cases, system I/O, and/or conditions • Start with one thread per use case, class of system input, and/or conditions • Preserve each thread (for thread testing, concept of operations, etc.) Step 1a. Define threads

Step 1b. Partition threads

Step 2. Integrate threads to define system behavior

441

State

incorporates

exhibits

built from / kind of

decomposed by

Function

Component

performs

involves / describes

Use Case

decomposed by

elaborated by

includes / extends / kind of

elicits

connected to

specifies

inputs / outputs

Requirement

refined by

Item

Link

transfers

Define Integrated System Behavior decomposed by generates results in causes Risk Concern

includes

442

MBSE with GENESYS