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SysML (Systems Modeling Language) is based on UML and involves modelling blocks instead of modelling classes, providing a vocabulary that’s more suitable for Systems Engineering.

SysML is often praised for its facilitation of model traceability, which is defined in the SysML specifications through allocations, commonly used by systems engineers.

Traceability in software engineering is the ability to trace work items across the development lifecycle. It’s used to keep track of what’s going on in the development lifecycle — and show what’s happened. Achieving regulatory compliance is a common purpose for traceability in software engineering.

SysML is also known for its block applications. A block is a modular unit of structure in SysML that is used to define types of physical entities (e.g., system, system component part, external systems, or items that flow through the system), as well as conceptual entities or logical abstractions.

A block encompasses software, hardware, data, processes, personnel, and facilities.

SysML enables a Model-Based Systems Engineering (MBSE) approach to improve productivity and quality while reducing risk during systems development and is used in a broad range of industries including aerospace and defense, automotive and biomedical.

Systems engineers use SysML to create diagrams that illustrate a broad range of systems, including hardware, software, information, processes, personnel, and facilities. SysML lets teams design, analyze, verify, and validate these systems.

Additionally, systems engineers use SysML diagrams to improve their communication with other team members and business stakeholders. The diagrams can help you to explain complex ideas more easily and clearly. 

Other reasons SysML is used to today, include:

  • Documenting and managing system architecture-related intellectual property, including analytics, designs, and processes
  • Creating a clear overview of system structure so you can manage size and complexity more easily
  • Facilitating problem-solving and system scaling
  • Detecting errors, gaps, and other potential problem areas early in the development of the system

Want to learn more? Tonex offers Advanced SysML Training, a 3-day course where participants use our comprehensive methodology to create SysML diagrams consistent with the OMG and INCOSE guidelines.

Attendees will apply D concepts, models and principles to plan, design and create their own SysML compliant systems or System of Systems (SoS).Advanced SysML Training link.

For more information, questions, comments, contact us.

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