Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content Figure 26: Constraint block for physical interaction in SysML Source SysPhS-1.1 Copyright information About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes Snippet kind INFO UML keywords Constraint SysML keywords ConstraintBlock constraint parameter constraint property SysPhS Keywords SysPhS expression language PhSVariable Modelica keywords equation Keywords SysPhS SysML Systems Modeling Language Modelica Previous snippet The following Modelica code corresponds to Figure 26. It has five equations from the SysML constraint block. SysML parameter names are replaced in the Modelica equations according the bindings in Figure 14 [ERROR]: Full quote f1 is replaced by p1.f, v1 is replaced by p1.lV, x is replaced by lengthchg, k is replaced by springcst, v is replaced by velocitydiff, f is replaced by forcethru, v2 is replaced by p2.v, and f2 is replaced by p2.f. model Spring Flange p1; Flange p2; parameter Real springcst = “10”; Real velocitydiff Real forcethru equation p1.f+p2.f=0 forcethru=p1.f; velocitydiff=p1.lV-p2.lV; velocitydiff=der(lengthchg); forcediff=springcst*lengthchg; end Spring; Next snippet Related snippets In a SysML block with constraint properties, the constraints correspond to the same equations in Modelica ... except the SysML parameters in those equations correspond in Modelica to the properties they are bound to in SysML (and flow properties in SysML property paths leading to PhSVariables on conserved quantity kinds are omitted in Modelica, see Subclause 10.7.8). The following Modelica code corresponds to Figure 26. It has five equations from the SysML constraint block. SysML parameter names are replaced in the Modelica equations according the bindings in Figure 14 [ERROR]: Related snippets (backlinks) Visit also Visit also (backlinks) Flags
