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Introduction to SysML and systems modelling

Introduction to SysML and systems modelling

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SysML for Systems Engineering: A Model-Based Approach — Recommend this title to your library

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This is a book concerned with model-based systems engineering (MBSE), and thus modelling is fundamental to everything that is presented in it. It makes sense, therefore, before we consider MBSE in detail in Parts 3-5, to first consider the modelling aspects. This chapter discusses why modelling is so important in the context of the 'three evils' of engineering, briefly discusses the history of the systems engineering modelling language (SysML), establishes the basic requirements for modelling, introduces the concept of modelling and introduces to the SysML that is used as the modelling language throughout the rest of the book. Only the briefest of syntax will be looked at in this chapter.

Chapter Contents:

  • 4.1 Introduction
  • 4.2 Why we model ?
  • 4.2.1 The kennel (doghouse)
  • 4.2.2 The house
  • 4.2.3 The office block
  • 4.2.4 The point
  • 4.3 The three evils
  • 4.3.1 Complexity
  • 4.3.2 Lack of understanding
  • 4.3.3 Communication
  • 4.3.4 The vicious triangle
  • 4.4 What is SysML ?
  • 4.4.1 SysML's relationship with UML
  • 4.4.2 A brief history of SysML
  • 4.5 Modelling
  • 4.5.1 Defining modelling
  • 4.5.2 The choice of model
  • 4.5.3 The level of abstraction
  • 4.5.4 Connection to reality
  • 4.5.5 Independent views of the same system
  • 4.6 The SysML diagrams
  • 4.7 Structural modelling
  • 4.7.1 Adding more detail to relationships
  • 4.8 Behavioural modelling
  • 4.8.1 Behavioural modelling - a simple example
  • 4.9 The relationships between behavioural diagrams and structural level
  • 4.10 Identifying complexity through levels of abstraction
  • 4.10.1 The systems
  • 4.10.2 Structural view
  • 4.10.3 Behavioural views
  • 4.11 Summary
  • References

Inspec keywords: Unified Modeling Language; systems engineering; programming language semantics; simulation languages

Other keywords: syntax; model-based systems engineering; MBSE; SysML; systems modelling; systems engineering modelling language

Subjects: Simulation techniques; Formal languages and computational linguistics; High level languages

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