Over the last nine years, many engineering organizations and countless systems practitioners have invested significant time and energy into the transition from document-centric to model-centric systems engineering. During this time, we have made notable progress. Unfortunately, we have also contributed to – if not created – several myths and misconceptions …

By Ron Kratzke, Vitech Principal Systems Engineer Recently we had a couple of customer questions regarding when to employ a Use Case and when to develop a Thread or a Scenario. There is no hard and fast answer to this question and much of what you should develop depends on …

By Ron Kratzke, Vitech Principal Systems Engineer Recently I have fielded several questions regarding the use of the State Transition Diagram in CORE and how States/Modes and the diagram relate to system behavior and simulation of the system behavior using CORESim. State transition diagrams describe the logical transition of a …

MBSE and SysML have spent some time growing up together – and even gotten popular together, and now they’re finding that many are confusing them as twins, or even two names for the same concept. Although both can complement each other and many organizations find systems engineering success using SysML …