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Modeling and Simulation Overview


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How Modeling and Simulation Supports The DOD Decision Maker.

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Modeling and Simulation Overview

  1. 1. Modeling and Simulation Overview Mike Traum Northrop Grumman Ship Systems 27 April 2007
  2. 2. M&S As A Lifecycle System <ul><li>System </li></ul><ul><ul><li>Process </li></ul></ul><ul><ul><li>Capabilities </li></ul></ul><ul><ul><li>Knowledge Enabler </li></ul></ul><ul><ul><li>Technology </li></ul></ul><ul><li>Benefits </li></ul><ul><li>Systems Engineering Value </li></ul>
  3. 3. World Class Systems Engineering - the 5-layer Model by Prof. Derek K Hitchins
  4. 4. A Quick Overview of Modeling & Simulation (M&S) <ul><li>Model Types </li></ul><ul><li>M&S Architecture </li></ul><ul><li>DOD Simulation Maturity </li></ul>
  5. 5. Model Types Static Mock-Ups Clay, Wood, or Cardboard Scale Models Physical Static Mental War Gaming (Traditional) Functional Maps Conceptual Dynamic Algorithmic Physics-Based Algebraic (Correlations) Discrete (Logistical) Statistical (Monte Carlo) Mathematical Dynamic Functioning Systems Sea Trials Prototypes, Engineering Design Models Working Simulation Ability Methodology Types
  6. 6. M&S Architecture Analysis Simulations Models <ul><li>Physics </li></ul><ul><li>Discrete </li></ul><ul><li>Statistical </li></ul><ul><li>Algebraic </li></ul>M&S Tools Software Development Engineering Problems Program Decisions External Environment Representation of Real Systems Modeling Capabilities “Support The Decision Maker”
  7. 7. DOD Simulation Maturity Constructive Virtual Live Simulated People Operating Simulated Systems Real People Operating Simulated Systems Real People Operating Real Systems Communications Enemy Combatants Sea Conditions Weather “ External Environment”
  8. 8. What Are The Benefits Of M&S? <ul><li>Develop product knowledge </li></ul><ul><li>Idea generation </li></ul><ul><li>Concept testing </li></ul><ul><li>Product requirements verification/validation </li></ul><ul><li>Design feasibility </li></ul><ul><li>Evaluate manufacturing complexity </li></ul><ul><li>Generate operational requirements </li></ul><ul><li>Analysis of Alternatives (AoA) </li></ul><ul><li>Analysis of Materiel Alternatives (AMA) </li></ul><ul><li>Facilitate engineering integration </li></ul>
  9. 9. DOD Framework For M&S Activities JCIDS * CONCEPT REFINEMENT TECHNOLOGY DEVELOPMENT SYSTEM DEVELOPMENT & DEMONSTRATION DOD Framework Phases: <ul><li>Mission Simulation </li></ul><ul><li>Requirements Analysis </li></ul><ul><li>AMA </li></ul><ul><li>System Simulation </li></ul><ul><li>Requirements Analysis </li></ul><ul><li>AoA </li></ul><ul><li>Parameter Analysis </li></ul><ul><li>Detailed Engineering Models </li></ul><ul><li>Design Studies </li></ul><ul><li>Specification Analysis </li></ul><ul><li>Simulation/ Virtual Prototypes </li></ul>Representative M&S Activities: * JCIDS: Joint Capability Integration and Development System
  10. 10. Support V&V and Accreditation Reporting & Accreditation Decision Operational Support Maintenance Disposal Core M&S Process M&S Need Requirements Development & Management Technical Solution Analysis Accreditation and V&V Planning Conceptual Model Validation Design Verification Implementation Verification Results Validation Intended Use Functionality, Fidelity, Credibility Design, Construct, Verify Execute, Evaluate, Validate VV&A Process Data V&V
  11. 11. M&S Analysis Process
  12. 12. What Are The Value-Added Activities? <ul><li>Modeling and Simulation Support Plans </li></ul><ul><li>Problem Definition </li></ul><ul><li>Architectural Products </li></ul><ul><li>Analysis Requirements </li></ul><ul><li>M&S Plans </li></ul><ul><li>Engineering Analysis </li></ul><ul><li>Verification, Validation, and Accreditation </li></ul><ul><li>Support Decision Maker </li></ul>
  13. 13. Open Discussion <ul><li>Questions </li></ul><ul><li>Comments </li></ul><ul><li>Polite Criticisms </li></ul>