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SysML Training Certification Courses: SysML (Systems Modeling Language) is a general-purpose graphical modeling language for specifying, analyzing, designing and verifying complex systems that may include hardware, software, information, personnel, procedures and facilities.

This language is commonly used for Model-Based Systems Engineering (MBSE) projects. It provides graphical representations with a semantic foundation for modeling system requirements, behavior, structure and parametrics, which is used to integrate with other engineering analysis models. 

The current version of SysML has become a popular architecture modeling language standard among systems engineers because of its lingua franca (common language) quality, which improves the precision and efficiency of communications with fellow systems engineers as well as other system and business stakeholders such as mechanical engineers, electrical engineers, software engineers and even clients.

The Inevitable UML Comparison

Compared to its predecessor UML (Unified Modeling Language), SysML is a comparatively little language that is easier to learn and apply. Since SysML removes many of UML’s software-centric constructs, the overall language measures smaller both in diagram types and total constructs.

SysML allocation tables support common kinds of allocations. Whereas UML provides only limited support for tabular notations, SysML furnishes flexible allocation tables that support requirements allocation, functional allocation and structural allocation. This capability facilitates automated verification and validation (V&V) and gap analysis.

Additionally, SysML model management constructs support models, views and viewpoints. These constructs extend UML’s capabilities and are architecturally aligned with IEEE-Std-1471-2000 (IEEE Recommended Practice for Architectural Description of Software Intensive Systems).

The Heart of SysML

The pictorial diagram or “block” is at the heart of SysML.

A block is a modular unit that describes the structure of a system or element. It may include both structural and behavioral features, such as properties and operations that represent the state of the system and behavior that the system may exhibit.

SysML blocks provide a general-purpose capability to describe the architecture of a system. They provide the ability to represent a system hierarchy, in which a system at one level is composed of systems at a more basic level. They can describe not only the connectivity relationships between the systems at any level, but also quantitative values or other information about a system.

Learn more about SysML in any of our four SysML training courses.

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