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Table of Contents


INTRODUCTION i
THE PROBLEM: A GEOSPATIAL LIBRARY v
WHAT IS A SYSTEM? 1
     Systems Thinking 4
     Applying Systems Thinking to Systems Design 7
WHAT IS SYSTEMS ENGINEERING? 11
     Multidisciplinary Approach 13
     Problem Classes 13
     The Design Space: Three Systems 16
     The Design Space: Boundaries 20
     The Process 21
     Domains 24
     Communication 29
WHAT IS A MODEL? 31
     Four Elements of a Model 32
     Characteristics of a Model 33
     Language: The Systems Model Is Language-Based 34
     Language of Behavior 39
     Managing Complexity with Language 42
     Structure: The Model Expresses System Relationships 44
     Argument: The Model Is Used to “Prove” the Concept of the Design 53
     Presentation: The Model Must Be “Viewable” 54
WHAT IS MODEL-BASED SYSTEMS ENGINEERING? 65
     Requirements for a Systems Engineering Process 68
     MBSE Model and System Definition Language 74
     Developing Layer 1 of Our Solution 76
     Proceeding with Layer 2 85
     Proceeding with Layer N 95
     Verification and Validation 97
SUMMARY 103
AFTERWARD 105
AUTHORS 107