Icon class icon_class far fa-file-alt icon_class_computed far fa-file-alt Keywords Systems Modeling Language SysML SysMLv1.7 Specification keywords SysML-1.7 Copyright information About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes Snippets (quotes/extracts) SysML defines defaults for multiplicities on the ends of specific types of associations. A part or shared association has a default multiplicity of [0..1] on the black or white diamond end. A unidirectional association has a default multiplicity of 1 on its target end. These multiplicities may be assumed if not shown on a diagram. To avoid confusion, any multiplicity other than the default should always be shown on a diagram. A DirectedFeature has the same notation as other non-flow properties and behavioral features with a feature direction prefix (prov | reqd | provreqd), which corresponds to one the FeatureDirectionKind literals “provided,” “required,” and “providedrequired InterfaceBlock::isconjugated_not_used Any port typed by an InterfaceBlock shall have its isConjugated property set to false. A property typed by a Block that does not have composite aggregation is classified as a reference property. Flow Port and Flow Specification are deprecated in this version of SysML and are defined for backward compatibility. Actors represent classifier roles that are external to the system that may correspond to users, systems, and or other environmental entities. The use case diagram describes the usage of a system (subject) by its actors (environment) to achieve a goal, that is realized by the subject providing a set of services to selected actors. A DirectedFeature indicates whether the feature is supported by the owning block (provided) for other connected blocks to use, or is to be supported by a connected block for the owning block to use (required), or both (providedRequired). A providedRequired feature specifies a symmetric dependency between two connected blocks whereby a block’s internal use of such a feature is delegated to the connected block with the corresponding feature and conversely that block’s internal use of ... Features that are not denoted as a DirectedFeature are implicitly provided features. As such they can be matched against a corresponding required feature. External links OMG SysMLv1.7beta1 document downloads OMG SysMLv1.7beta1 PDF (ptc/2022-08-02) Visit also Object Management Group™ (OMG™) SysML zone Unified Modeling Language 2.5.1 OMG Systems Modeling Language (SysML) 1.6 Semantics of a Foundational Subset for Executable UML Models 1.4 OMG Systems Modeling Language TM (SysML®) Version 2.0 Release 2021-02 Visit also (backlinks) Flags
