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Element Types

SysML v1SysML v2Dalus
part property / blockpart / part defpart
value property / value typeattribute / attribute defvariable
proxy port / interface blockport / port defport
action / activityaction / action defaction
state / state machinestate / state defstate
constraint property / constraint blockconstraint / constraint defconstraint
connector / association blockconnection / connection defconnection
requirementrequirement / requirement defrequirement
interface blockinterface / interface definterface
flowcontrol flow / object flowflow
transitiontransition / transition deftransition
use caseuse case / use case defuse case
packagepackage / package defTBD
viewview / view defTBD

Diagram / Workspace Equivalence

SysML v1Dalus
Block Definition Diagram (BDD)Part View
Internal Block Diagram (IBD)Part View (nested)
Activity DiagramAction View
State Machine DiagramState View
Use Case DiagramConcept of Operations
Requirement DiagramRequirements Table
Parametric DiagramAction View
Package DiagramTBD
Sequence DiagramTBD
I