Cover image for Weaponeering : conventional weapon system effectiveness
Title:
Weaponeering : conventional weapon system effectiveness
Personal Author:
Series:
AIAA education series
Publication Information:
Reston, VA : American Institute of Aeronautics and Astronautics, Inc., 2004
ISBN:
9781563476655

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30000004989202 UF503 D74 2004 Open Access Book Book
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Summary

Summary

This is the first comprehensive text to describe and quantify the methods commonly used to predict the probability of successfully attacking ground targets using air-launched or ground-launched weapons. Air launched weapons include guided and unguided bombs, air-to-ground missiles, LGBs, rockets, and guns. Surface engagements cover both direct and indirect fire weapons. The text outlines the various methodologies used in operational products used widely in the U.S. Army, Navy, Air Force, and Marine Corps. It explains the underlying methodologies for the key munitions effectiveness tools, Joint Air-to-Surface Weaponeering Systems (JAWS), and JMEM/SS Weapons Effectiveness Systems.


Author Notes

Morris Driels has taught at universities in the United Kingdom and the United States for over 30 years


Table of Contents

Prefacep. xvii
Acknowledgmentsp. xxi
Nomenclaturep. xxiii
List of Acronymsp. xxvii
Part 1 Basic Tools and Methods
Chapter 1 Weaponeering Processp. 3
1.1 Definitionsp. 3
1.2 Air Tasking Ordersp. 3
1.3 Weaponeering--Part of a Larger Planning Cyclep. 4
1.4 Example of a Weaponeering Toolp. 5
Chapter 2 Introduction to Statistical Methodsp. 9
2.1 Population and Samplep. 9
2.2 Univariate Distributionp. 9
2.3 Univariate Normal Distributionp. 11
2.4 Bivariate Normal Distributionp. 16
2.5 Combinatorial Probabilitiesp. 19
2.6 Circular Normal and Rayleigh Distributionsp. 20
2.7 Uniform Distributionp. 23
2.8 Binomial Distributionp. 24
2.9 Poisson Distributionp. 28
2.10 Testing Data for a Particular Distributionp. 29
2.11 Functions of Random Variablesp. 31
2.12 Mathematical Expectationp. 31
Chapter 3 Weapon Trajectoryp. 35
3.1 Introductionp. 35
3.2 Weapon Delivery Tacticsp. 36
3.3 Initial Release Velocitiesp. 36
3.4 Zero-Drag, Point-Mass Trajectory Modelp. 38
3.5 Linear-Drag Modelp. 41
3.6 High-Fidelity Trajectory Modelp. 45
3.7 Unguided Surface-to-Surface Munition Trajectoryp. 48
3.8 Effects of Winds on Ballistic Trajectoryp. 50
3.9 Trajectory for Guided Munitionsp. 51
3.10 Ballistic Partial from Trajectory Programsp. 53
3.11 Summary of Model Featuresp. 55
Chapter 4 Delivery Accuracyp. 57
4.1 Introductionp. 57
4.2 General Measures of Delivery Accuracyp. 59
4.3 Commonly Used Equations Based on Normal Datap. 62
4.4 Noncircular Distributionsp. 64
4.5 Delivery Accuracy in the Normal Planep. 64
4.6 Treatment of Ballistic Errorsp. 68
4.7 Delivery Accuracy of Unguided Weaponsp. 69
4.8 Delivery Accuracy of Unguided Surface-Launched Weaponsp. 69
4.9 Delivery Accuracy of Unguided Air-Launched Weaponsp. 70
4.10 Mechanizationp. 70
4.11 CCRP Mechanizationp. 71
4.12 CCIP Mechanizationp. 73
4.13 Bombing Modesp. 75
4.14 Sources of Weapon Miss Distancesp. 77
4.15 Computation of Miss Distances for CCRP Mechanizationp. 78
4.16 Accumulation of Individual Miss Distances for CCRPp. 87
4.17 Computation of Miss Distances for CCIP Mechanizationp. 89
4.18 Bombing on Coordinates Mechanizationp. 92
4.19 Air-Launched Guided Weapon Delivery Accuracyp. 94
4.20 Surface-Launched Guided Weapon Delivery Accuracyp. 99
4.21 GPS-Guided Weaponsp. 99
Referencep. 104
Chapter 5 Vulnerability Assessment--Introductory Methodsp. 105
5.1 Weapon Damage Mechanismsp. 105
5.2 Introduction to Effectiveness Indicesp. 106
5.3 Requirements for the Computation of Effectiveness Indicesp. 108
5.4 Vulnerability Assessment for Fragmentation Warheadsp. 108
5.5 Vulnerable Areap. 110
5.6 Critical and Noncritical Componentsp. 111
5.7 Redundant and Nonredundant Critical Componentsp. 111
5.8 Target Vulnerability to Single Fragmentsp. 111
5.9 Case (a)--Target Composed of Nonredundant Critical Components with No Overlapp. 113
5.10 Case (b)--Target Composed of Nonredundant Critical Components with Overlapp. 115
5.11 Case (c)--Target Composed of Some Redundant Components with No Overlapp. 117
5.12 Case (d)--Target Composed of Some Redundant Components with Overlapp. 119
5.13 Multiple-Hit Vulnerabilityp. 120
5.14 Effectiveness Assessment for a Specific Weaponp. 121
5.15 Centroid of Vulnerability and Different Fragment Weightsp. 125
5.16 Damage Matrix and Lethal Areap. 127
Referencep. 129
Chapter 6 Vulnerability Assessment--Advanced Methodsp. 131
6.1 Introductionp. 131
6.2 COVARTp. 133
6.3 Shotline Analysisp. 134
6.4 Shotline P[subscript k/sh]p. 135
6.5 COVART Computational Model for Calculating Vulnerable Areasp. 136
6.6 Effectiveness Assessment: Computing the Damage Matrixp. 138
6.7 Detailed Description of the GFSMp. 145
6.8 Orientation of Weapon in GFSM Scenariop. 146
6.9 GFSM Target Descriptionp. 147
6.10 GFSM Weapon Descriptionp. 147
6.11 GFSM Fragment Drag Datap. 147
6.12 GFSM Computational Modelp. 148
6.13 GFSM Computation of P[subscript K]p. 148
6.14 GFSM Calculation of the P[subscript K](r, [gamma subscript j])p. 151
6.15 Review of Computational Procedurep. 153
6.16 Worked Problem for GFSM Methodologyp. 154
6.17 Computation of the P[subscript K] Matrixp. 156
6.18 Simplification of Damage Matrix for Effectiveness Calculationsp. 159
6.19 Conserving Lethality for Different Damage Functionsp. 163
6.20 Lethal Area Calculation for Targets Sensitive to Blastp. 164
Part 2 Air-to-Surface Weaponeering
Chapter 7 Single Weapons Against Unitary Targetsp. 169
7.1 The Single Sortie Probability of Damage--SSPDp. 169
7.2 SSPD for Single Fragmentation Weapon and Unitary Targetp. 171
7.3 Comparing Expected Value with Monte Carlo Simulationp. 173
7.4 SSPD for Single Blast Damage Function and Unitary Targetp. 174
7.5 Some Computational Considerationsp. 176
7.6 Force Estimationp. 177
7.7 Simple Spreadsheet Implementation to Compute SSPDp. 177
7.8 Template for Implementing Weaponeering Solutionsp. 180
7.9 Calculating SSPD for Guided Weaponsp. 184
7.10 Bomb Burialp. 187
7.11 Summary of Model Featuresp. 189
Chapter 8 Single Weapons Directed Against an Area of Targetsp. 193
8.1 Introductionp. 193
8.2 Measurement of Damagep. 193
8.3 Weapon Represented by Rectangular Damage Functionp. 196
8.4 Effect of Multiple Weapons and Aim Pointsp. 197
8.5 Fractional Coveragep. 200
8.6 Spreadsheet to Compute EFDp. 207
8.7 Weaponeering Spreadsheetp. 208
8.8 Calculating EFD for Guided Weaponsp. 210
8.9 Weapon Represented by Carleton Damage Functionp. 210
8.10 Summary of Model Featuresp. 215
Referencep. 216
Chapter 9 Stick Deliveriesp. 217
9.1 Introductionp. 217
9.2 Determining the Pattern Dimensionsp. 217
9.3 Calculating Stick Widthp. 219
9.4 Calculating Stick Lengthp. 221
9.5 Ballistic Dispersion for Stick Deliveriesp. 223
9.6 Pattern Dimensionsp. 226
9.7 Weapon Sparsity and Overlap in the Patternp. 227
9.8 Summary of Computing EFD for Sticksp. 230
9.9 Spreadsheet Implementationp. 231
9.10 Advanced Method for Calculating EFDp. 231
9.11 Effect on EFD of Different Multiple-Weapon Representationsp. 236
9.12 Summary of Model Featuresp. 237
Chapter 10 Projectilesp. 239
10.1 Introductionp. 239
10.2 Assumptions for Projectile Methodologyp. 239
10.3 Accuracy Considerationsp. 241
10.4 Damage Functionsp. 242
10.5 Effectiveness Calculationsp. 243
10.6 SSPD When More Than One Round is Required for a Killp. 244
10.7 Spreadsheet Implementationp. 245
10.8 Summary of Model Featuresp. 245
Chapter 11 Cluster Munitionsp. 249
11.1 Introductionp. 249
11.2 General Analytical Treatment of Cluster Munitionsp. 255
11.3 Trajectory Computationsp. 257
11.4 Submunition Pattern Dimensionsp. 258
11.5 Rectangular Patterns in the Ground Planep. 260
11.6 Circular Patterns in the Normal Planep. 263
11.7 Effect of Ballistic Dispersionp. 267
11.8 Spreadsheet Implementationp. 267
11.9 Summary of Model Featuresp. 270
Chapter 12 Weaponeering for Specific Targetsp. 273
12.1 Introductionp. 273
12.2 Bridgesp. 273
12.3 Effective Miss Distance (EMD) Damage Functionp. 277
12.4 Above-Ground Buildingsp. 284
12.5 Summary of Weaponeering Methodologies and Applicable EIp. 291
12.6 Collateral Damage and Indirect Aim Pointsp. 292
Part 3 Surface-to-Surface Weaponeering
Chapter 13 Indirect Fire--Artillery and Mortar Systemsp. 307
13.1 Introductionp. 307
13.2 Terminology and Combat Scenariosp. 307
13.3 Aim-Point Selectionp. 308
13.4 Weapon Lethal Areap. 310
13.5 Delivery Accuracyp. 313
13.6 Munition Trajectoryp. 315
13.7 Naval Gunfirep. 317
13.8 Comparing Direct- and Indirect-Fire Effectiveness Methodsp. 317
13.9 Methodologies for Surface-to-Surface Weaponeering Toolsp. 324
13.10 Superquickie 2, Unitary Warheadp. 325
13.11 Superquickie 2, Improved Conventional Munitionp. 332
13.12 High-Fidelity Model--Matrix Evaluator Programp. 335
13.13 Fractional Damage Calculations for Multiple Eventsp. 340
13.14 Improved Conventional Munitions in Matrix Evaluatorp. 341
13.15 Artquik Methodp. 343
13.16 Damage Done by a Single Weapon with an Offset Aim Pointp. 344
13.17 Carleton Damage Function and Ballistic Dispersionp. 346
13.18 Methodology for Multiple Unitary Warhead Munitionsp. 347
13.19 Artquik Model for ICMsp. 351
13.20 Summary of Model Featuresp. 352
Chapter 14 Direct Fire: Infantry and Vehicle Systemsp. 355
14.1 Introductionp. 355
14.2 Direct Fire Against Personnel Targets--FBARp. 355
14.3 Direct Fire Against Vehicles--Passive Vehicle Target Model (PVTM)p. 362
14.4 Summary of Model Featuresp. 368
Chapter 15 Minesp. 371
15.1 Introductionp. 371
15.2 Land Minesp. 371
15.3 Land Minefield Specification and Planningp. 372
15.4 Simplified Land Mine Method--Minefield Densityp. 375
15.5 Detailed Land Mine Methodp. 378
15.6 Sea Minesp. 382
15.7 Shallow-Water Sea Minesp. 383
15.8 Deep-Water Sea Minesp. 384
15.9 Antisubmarine Minesp. 388
15.10 Summary of Model Featuresp. 389
Chapter 16 Target Acquisitionp. 393
16.1 Introductionp. 393
16.2 Experimental Contrast Thresholds for the Human Eyep. 395
16.3 Overington Threshold Modelp. 397
16.4 Field Tests Detecting Military Targetsp. 402
16.5 Johnson's Frequency-Domain Experimentsp. 403
16.6 Acquire Target Acquisition Modelp. 406
16.7 Air-to-Surface Target Acquisitionp. 412
16.8 Flight Profile and Run-in Effectsp. 412
16.9 Terrain Modelp. 414
16.10 Detection Range R[subscript VIS]p. 419
16.11 Conversion of Range to Probability of Launchp. 420
16.12 Description of the JMEM Target Acquisition Modelp. 424
16.13 Time-Dependent Target Detection--Searchp. 425
16.14 Summary of Model Featuresp. 427
Referencesp. 429
Appendix A Standard Statistical Tablesp. 431
Appendix B Weapon Selection Based on Target and Damage Criteriap. 435
Appendix C Weapon Types and Selectionp. 455
C.1 Aircraft Loadoutsp. 455
C.2 Aircraft Weaponsp. 455
Indexp. 463
Supporting Materialsp. 475