MBSE with GENESYS Oct 2023

built from / kind of

Component

involves / describes

Use Case

includes / extends / kind of

elicits

connected to

specifies

Requirement

refined by

Item

Link

transfers

decomposed by

includes

generates

results in

causes

Concern

Risk

Leveraging Use Cases Eliciting requirements and bridging from problem to solution

293

Use Cases in Context

0. Define Need & System Concept

Activity bars represent movement of “center of gravity” of systems engineering team (concurrent engineering is assumed)

1. Capture & Analyze Orig. Requirements 2. Define System Boundary 4. Derive System Threads 3. Capture Originating Architecture Constraints

5. Derive Integrated System Behavior 6. Derive Component Hierarchy

7. Allocate Behavior to Components

SCHEDULE

8. Define Internal Interfaces

9. Select Design

10. Perform Effectiveness & Feasibility Analyses

11. Define Resources, Error Detection, & Recovery Behavior

12. Develop Verification & Validation Requirements/Plans

13. Generate Documentation and Specifications

294

MBSE with GENESYS