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Requirement Diagram - Acceleration Requirement Relationships

This diagram demonstrates a number of requirement relationships which would typically appear on a requirements diagram after some analysis and modeling had been done. The focal element is the Acceleration requirement and the diagram shows how a number of other elements are related to this requirement. The refine relationship is introduced as a way of relating a similarly named Use Case to the Acceleration requirement. We have another derived requirement which is subsequently satisfied by a Block. A 'Max Acceleration' Test Case is also shown on the diagram and related to the central requirement by a Verifies relationship. The diagram also demonstrates that elements other than requirements can be added and help to make the diagram more expressive.