Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content REFERENCE CARD: QUDV - basic metamodel 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 INFO SysML keywords DerivedQuantityKind QuantityKind Previous snippet A DerivedQuantityKind is a QuantityKind that represents a kind of quantity that is defined as a product of powers of one or more other kinds of quantity. Full quote A DerivedQuantityKind may also be used to define a synonym kind of quantity for another kind of quantity. Next snippet For example “velocity” can be specified as the product of “length” to the power one times “time” to the power minus one, and subsequently “speed” can be specified as “velocity” to the power one. Related snippets SysML ValueType adds an ability to carry a unit of measure and quantity kind associated with the value. quantityKind : InstanceSpecification [0..1] A kind of quantity, represented by an InstanceSpecification classified by a kind of SysML QuantityKind, that may be stated by means of units. A value type may optionally specify a quantity kind without any unit. A quantity kind is a kind of quantity that may be stated in terms of defined units, but does not restrict the selection of a unit to state the value. A unit is a particular value in terms of which a quantity of the same quantity kind may be expressed. QuantityKind, or a specialization of it, classifies an InstanceSpecification to define a particular "kind-of-quantity" in the sense of an "aspect common to mutually comparable quantities" [VIM3-1.2], ... A DerivedUnit is a Unit that represents a measurement unit that is defined as a product of powers of one or more other measurement units. The only valid use of a QuantityKind instance is to be referenced by the quantityKind property of a ValueType or Unit. Related snippets (backlinks) Visit also Visit also (backlinks) Flags
