Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content Figure D.12 - Establishing Derived Requirements and Rationale from Lowest Tier of Requirements Hierarchy Source OMG Systems Modeling Language (SysML) 1.6 Copyright information About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes Snippet kind EXAMPLE INFO UML keywords Refine SysML keywords HSUV sample problem Requirement Refine Keywords requirements engineering Previous snippet Various other model elements may be necessary to help develop a derived requirement, and these model element may be related by a «refinedBy» relationship. Full quote Note how PowerSourceManagement is “RefinedBy” the HSUVOperationalStates model (Figure D.8). Next snippet Note also that rationale can be attached to the «deriveReqt» relationship. In this case, rationale is provided by a referenced document “Hybrid Design Guidance.” Related snippets Figure D.12 shows a set of requirements derived from the lowest tier requirements in the HSUV specification. The Refine stereotype specializes UML4SysML Refine and DirectedRelationshipPropertyPath to enable refinements to identify their sources and targets by a multi-level path of accessible properties from context blocks for the sources and targets. Related snippets (backlinks) Visit also Visit also (backlinks) Flags
