Model-Based Systems Engineering with GENESYS

Graphical Notation Objectives

• To show behavior graphically, the notation must: • Capture process flow and control

• Capture observables • Be understandable

• Information hiding/abstraction

• Be executable • Preserve behavior under • Decomposition • Aggregation • Allocation

Any system can be described as a “black box” that transforms inputs to outputs, AND any system can be decomposed as “black boxes.”

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Control Constructs

SEQUENCE

PARALLEL

SELECT

MULTIPLE-EXIT

LOOP

REPLICATE

Used in Activity Diagrams (ADs) and Enhanced Functional Flow Block Diagram (EFFBDs) to specify control sequences.

ITERATE

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