Lenny Delligatti

We are often asked about the expected timeframe for the release by the Object Management Group (OMG) of SysML v2, and for the release by Delligatti Associates of SysML Distilled, 2nd Edition, and of our OCSMP Accelerator™ SysML training course. Here is the expected schedule as of now: 1Q 2023, OMG: beta release of SysML […]

A recent course participant wrote to us with the following question: In a Base Use Case “React to Threats to xx Platform”   Is the Primary Actor the Threat (Entity Role = Hostile) OR Is the Primary Actor some “xx “Platform   The Supporting Actors are given as Mission Operator, Flight Crew, Tactical Network and

A course participant wrote to us with the following questions about flow ports in SysML: 1.  Do you know if the exam still covers flow ports? Or has the focus shifted to the ports introduced in SySML v1.3? Are there any elements since v1.3 that may throw me for a ringer? Answer: The exams were

Download a free sample chapter, “Chapter 3: Block Definition Diagrams,” from SysML Distilled: A Brief Guide to the Systems Modeling Language, and then read on to learn how it started. It was March 2011. I was a software engineer on the Lockheed Martin program that supported the Mission Control Center System (MCCS) at Johnson Space Center in