Abstract
SysML is a general-purpose graphical language for modeling systems that may include hardware, software, data, people, facilities, and other elements within the physical environment. The language supports modeling of requirements, structure, behavior, and parametrics to provide a robust description of a system, its components, and its environment. This chapter provides an introduction to SysML and guidance on how to begin modeling in SysML. It introduces a simplified version of the language, SysML-Lite. The semantics of the language enable a modeler to develop an integrated model of a system, where each kind of diagram can represent a different view of the system being modeled. A simplified model-based systems engineering (MBSE) method that is consistent with the systems engineering process is also introduced. The chapter finishes by describing some of the challenges involved in learning SysML and MBSE. The SysML language is a critical enabler of MBSE. Effective use of the language requires a well-defined MBSE method. SysML can be used with a variety of MBSE methods.
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