Design Report Guided Missile Submarine SSG(X) - AOE - Virginia ...

SSG(X) Design – VT Team 3 Page 3
Table of Contents
EXECUTIVE SUMMARY...........................................................................................................................................................................................2
TABLE OF CONTENTS..............................................................................................................................................................................................3
1 INTRODUCTION, DESIGN PROCESS AND PLAN..................................................................................................................................5
1.1 INTRODUCTION.............................................................................................................................................5
1.2 DESIGN PHILOSOPHY, PROCESS, AND PLAN..................................................................................................5
1.3 WORK BREAKDOWN.....................................................................................................................................7
1.4 RESOURCES ..................................................................................................................................................7
2 MISSION DEFINITION ..................................................................................................................................................................................8
2.1 CONCEPT OF OPERATIONS ............................................................................................................................8
2.2 PROJECTED OPERATIONAL ENVIRONMENT (POE) AND THREAT ..................................................................8
2.3 SPECIFIC OPERATIONS AND MISSIONS..........................................................................................................8
2.4 MISSION SCENARIOS ....................................................................................................................................8
2.5 REQUIRED OPERATIONAL CAPABILITIES ......................................................................................................9
3 CONCEPT EXPLORATION ........................................................................................................................................................................11
3.1 TRADE-OFF STUDIES, TECHNOLOGIES, CONCEPTS AND DESIGN VARIABLES .............................................11
3.1.1 Hull Form Alternatives ...................................................................................................................11
3.1.2 Propulsion and Electrical Machinery Alternatives.........................................................................12
3.1.3 Automation and Manning................................................................................................................17
3.1.4 Combat System Alternatives............................................................................................................17
3.2 DESIGN SPACE............................................................................................................................................28
3.3 SHIP SYNTHESIS MODEL.............................................................................................................................31
3.4 OBJECTIVE ATTRIBUTES.............................................................................................................................34
3.4.1 Overall Measure of Effectiveness (OMOE) ....................................................................................34
3.4.2 Overall Measure of Risk (OMOR) ..................................................................................................42
3.4.3 Cost .................................................................................................................................................44
3.5 MULTI-OBJECTIVE OPTIMIZATION .............................................................................................................45
3.6 OPTIMIZATION RESULTS.............................................................................................................................45
3.7 BASELINE CONCEPT DESIGN ......................................................................................................................47
4 CONCEPT DEVELOPMENT (FEASIBILITY STUDY) ..........................................................................................................................53
4.1 HULL FORM................................................................................................................................................53
4.1.1 Envelope Hull..................................................................................................................................53
4.2 PRELIMINARY ARRANGEMENT (FLOUNDER DIAGRAM AND CARTOON)......................................................55
4.2.1 Mission Operations Arrangements .................................................................................................56
4.2.2 Propulsion and Machinery Arrangements ......................................................................................57
4.2.3 Equilibrium Polygon.......................................................................................................................57
4.3 INITIAL BALANCE AND TRIM......................................................................................................................57
4.3.1 Displacing Volumes ........................................................................................................................57
4.3.2 Internal and External Tanks............................................................................................................58
4.3.3 Weights............................................................................................................................................59
4.3.4 Load Conditions..............................................................................................................................59
4.3.5 Initial Equilibrium Polygon ............................................................................................................60
4.3.6 Necessary Modifications and Baseline Equilibrium Polygon .........................................................61
4.3.7 Normal Surface Condition ..............................................................................................................61
4.3.8 Sail ..................................................................................................................................................62
4.4 STRUCTURAL DESIGN AND ANALYSIS ........................................................................................................63
4.4.1 Geometry, Components and Materials............................................................................................65
4.4.2 Loads and Failure Modes ...............................................................................................................66
4.4.3 Safety Factors, Optimization Results, and Adequacy......................................................................66
4.5 POWER AND PROPULSION ...........................................................................................................................68
4.5.1 Resistance and Effective Horsepower.............................................................................................68