SysML block definition diagram - Function Breakdown model

This example was drawn on the base of figure 1 on the webpage "Template: OASIS:FunctionalBreakdownStructure" from the OASIS website. "The FunctionalBreakdownStructure template describes how to represent a relationship between a FunctionalElementDefinition and another FunctionalElementDefinition that is a constituent. The SysML Block Definition diagram in Figure 1 shows how a functional breakdown is represented in the PLCS PSM." [docs.oasis-open.org/plcs/plcslib/v1.0/csprd01/data/contexts/OASIS/templates/FunctionalBreakdownStructure/template.html] "A block definition diagram is based on the UML class diagram, with restrictions and extensions as defined by SysML." [omg.org/spec/SysML/1.3/PDF] The example "SysML block definition diagram - Function Breakdown model" was drawn using the ConceptDraw PRO diagramming and vector drawing software extended with the SysML solution from the Software Development area of ConceptDraw Solution Park.