Standards play an important role in the engineering and business community. Standards provide us with requirements for best practices derived from the community’s input. It is this support from the community which gives standards their significance. Customers often have to show their organizations how a particular systems engineering approach will …

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 …