Composite structures, design, safety, and innovation

• Main Author: Backman, B. F.
• Format: eBook Book
• Language: English
• Published: Amsterdam Elsevier 2005; Elsevier Science & Technology; Elsevier Science
• Edition: 1
• Subjects: Airframes; Composite materials; Safety factor in engineering
• ISBN: 9780080445458; 0080445454
• DOI: 10.1016/B978-0-08-044545-8.X5000-1

Aerospace structural design, especially for large aircraft, is an empirical pursuit dominated by rules of thumb and often-painful service experiences.Expertise on traditional materials is not transferable to "new materials, processes and structural concepts.This is because it is not based on or...

Table of Contents:

• 11.3. MAINTENANCE DAMAGE -- 11.4. ACCIDENTAL DAMAGE -- 11.5. PROCESS FAILURE, DEGRADATION AND DAMAGE -- 11.6. IN-SERVICE DEGRADATION AND DAMAGE (''AGING'') -- 11.7. GROWTH AND DAMAGE -- 11.8. ULTIMATE STRENGTH AND DAMAGE -- 11.9. SAFETY AND DAMAGE -- 12. Design Philosophy -- 12.1. ULTIMATE STRENGTH CRITICAL DESIGNS -- 12.2. DAMAGE AND RESIDUAL STRENGTH -- 12.3. ALLOWABLE AND DESIGN VALUES -- 12.4. ULTIMATE STRENGTH DESIGN VALUES -- 12.5. DESIGN PHILOSOPHY AND UNCERTAINTY -- 12.6. UNSAFE STATE AND DESIGN -- 12.7. ULTIMATE INTEGRITY AND DESIGN -- 12.8. SURVIVAL PHILOSOPHY -- 13. Analysis of Design Criteria -- 13.1. VEHICLE OBJECTIVE -- 13.2. OVERALL STRUCTURES OBJECTIVE -- 13.3. PRINCIPAL STRUCTURAL ELEMENTS CRITERIA -- 13.4. ULTIMATE REQUIREMENT -- 13.5. DAMAGE TOLERANCE REQUIREMENTS -- 13.6. INSPECTION CRITERIA -- 13.7. DAMAGE GROWTH RATES CRITERIA -- 13.8. THREAT AND DAMAGE CRITERIA -- 13.9. SAFETY CRITERIA BASELINE -- 13.10. SCALE-UP CRITERIA -- 13.11. FAILURE CRITERIA -- 13.12. MONITORING AND FEEDBACK CRITERIA -- 13.13. OPEN-HOLE COMPRESSION CRITERIA -- 13.14. CRITERIA FOR SAFE DESIGN OF DAMAGED STRUCTURE -- 14. Design Example -- 14.1. GEOMETRICALLY NON-LINEAR STRUCTURAL DESIGN -- 14.2. FAIL-SAFETY, MATERIAL NON-LINEARITIES AND HYBRID DESIGN -- 14.3. FAIL-SAFE CRITERIA IN DESIGN -- 14.4. STRUCTURAL CONCEPTS AND DESIGN SPACE -- 14.5. CRITICAL DAMAGE TOLERANCE DESIGN -- 14.6. TYPES OF DATA FOR DESIGN -- 15. Design of Composite Structure -- Appendix -- A. A MODEL OF ULTIMATE INTEGRITY -- B. A COMPARISON BETWEEN METAL AND COMPOSITE PANELS -- References -- Index
• Cover -- Frontmatter -- Half Title Page -- Copyright -- Title Page -- Copyright -- Preface -- Contents -- 1. Introduction -- 1.1. TRADITIONAL DESIGN IN AEROSPACE -- 1.2. CONVENTIONAL SAFETY IN AEROSPACE -- 1.3. TRENDS IN INNOVATION OF AEROSPACE STRUCTURES -- 1.4. COMPOSITES -- 2. Structural Design -- 2.1. DAMAGE TOLERANCE -- 2.2. STRUCTURAL INTEGRITY -- 2.3. EXPLICIT DESIGN CONSTRAINTS -- 2.4. UNCERTAINTY IN DESIGN -- 2.5. THE EXTENDED DESIGN PROCESS -- 3. Structural Safety -- 3.1. PRIMARY DRIVERS -- 3.2. RISK MANAGEMENT -- 3.3. IMPORTANCE OF SAFETY REGULATIONS -- 3.4. UNCERTAINTY, PROBABILITY AND STATISTICS OF DAMAGE TOLERANCE -- 4. Innovation -- 4.1. SERVICE EXPERIENCE -- 4.2. CRITICALITY -- 4.3. DAMAGE TOLERANCE -- 4.4. INDUCTIVE METHODS -- 5. Safety Objectives -- 5.1. SAFETY AS A FUNCTION OF TIME -- 5.2. INSPECTION -- 5.3. ACCIDENTAL DAMAGE -- 5.4. DESIGN DATA AND ALLOWABLES -- 6. Risk Management -- 6.1. UNSAFE STATE -- 6.2. ROLE OF INSPECTIONS -- 6.3. FUNCTION OF TIME AND INSPECTION APPROACH -- 6.4. UNCERTAINTY -- 7. Trades -- 7.1. IMPACT -- 7.2. DEGRADATION -- 7.3. DAMAGE UNDETECTED AT MAJOR INSPECTIONS -- 7.4. REPAIR -- 8. Building Block Approach -- 8.1. COMPONENTS AND SCALE-UP -- 8.2. ALLOWABLES -- 8.3. CRITICALITY -- 8.4. CURRENT PRACTICES -- 8.5. FACTORS OF SAFETY -- 9. Design Scenarios -- 9.1. DAMAGED METAL STRUCTURE -- 9.2. DAMAGED COMPOSITE STRUCTURE -- 9.3. DAMAGE CRITERIA -- 9.4. STRUCTURAL ALLOWABLES -- 9.5. LIMIT LOADS REQUIREMENTS -- 9.6. ''NEW'' STRUCTURAL CONCEPTS -- 10. The Design Process -- 10.1. ULTIMATE STATIC STRENGTH CRITICAL STRUCTURE -- 10.2. DAMAGE GROWTH AND DAMAGE RESISTANCE -- 10.3. DAMAGE TOLERANCE -- 10.4. DISCRETE SOURCE DAMAGE -- 10.5. DESIGN VARIABLES -- 10.6. CRITERIA DAMAGE -- 10.7. CRITICAL DAMAGE TYPE -- 11. Damage and Detection -- 11.1. FAILED DETECTION -- 11.2. MANUFACTURING DAMAGE