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Composite Structures, Design, Safety and Innovation - 1st Edition - ISBN: 9780080445458, 9780080456492

Composite Structures, Design, Safety and Innovation

1st Edition

Author: Dr. Bjorn Backman
Hardcover ISBN: 9780080445458
eBook ISBN: 9780080456492
Imprint: Elsevier Science
Published Date: 9th June 2005
Page Count: 250
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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 derived from well-defined measures of safety. This book addresses the need for safe innovation based on practical, explicit structural safety constraints for use in innovative structures of the future where guiding service experience is non-existent.

The book covers new ground by the demonstration of ways to satisfy levels of safety by focusing on structural integrity; and complementing the lack of service experience with risk management, based on flexible inspection methods recognizing that safety is a function of time. Fundamentally the book shoes demonstrates how safety methods can be made available to the engineering community without requiring huge statistical databases to establish internal and external loads distributions for use in reliability analysis.

An essential title for anyone working on structural integrity, or composite structures. It will be of equal interest to aerospace engineers and materials scientists working in academia, industry and government.

Key Features

  • Demonstrates a practically manageable way to produce safe innovation using composites in environments with no service experience

  • New approach to a subject that has not previously been treated in a holistic manner

  • This book could not have come at a more topical time, Boeing are currently launching the first commercial plane made entirely of composite materials

  • The focus of this book is Composite Materials but other fields of innovation could be treated in the same manner


    Academia: Aeronautical and Aerospace Engineering Depts, and Materials Science and Engineering Departments.

    Industry: Practicing Engineers and Scientists in Structures, Materials Science, Airworthiness, Safety, Quality Control, for testing, design, development and applied research

    Government: Practising engineers and Scientists at NASA, DOD, DARPA, NTSB,…. For research and development of improved safety, (of space shuttles), Innovative structural concepts, better materials, “Crisper” regulations for safety.

    Table of Contents

    <BR id="CRLF">1.0 <STRONG>Introduction</STRONG><BR id="CRLF"><BR id="CRLF">1.1 Traditional Design in Aerospace <BR id="CRLF">1.2 Conventional Safety in Aerospace <BR id="CRLF">1.3 Trends of Innovation in Aerospace Structures <BR id="CRLF">1.4 Composites<BR><BR id="CRLF"><BR id="CRLF">2.0 <STRONG>Structural Design</STRONG><BR id="CRLF"><BR id="CRLF">2.1 Damage Tolerance<BR id="CRLF">2.2 Structural Integrity<BR id="CRLF">2.3 Explicit Design Constraints<BR id="CRLF">2.4 Uncertainty in Design<BR id="CRLF">2.5 The Extended Design Process<BR> <BR id="CRLF"><BR id="CRLF">3.0 <STRONG>Structural Safety</STRONG><BR id="CRLF"><BR id="CRLF">3.1 Primary Drivers<BR id="CRLF">3.2 Risk Management<BR id="CRLF">3.3 Importance of Safety Regulations<BR id="CRLF">3.4 Uncertainty, Probability and Statistics of Damage Tolerance<BR><BR id="CRLF"><BR id="CRLF">4.0 <STRONG>Innovation</STRONG><BR id="CRLF"><BR id="CRLF">4.1 Service Experience<BR id="CRLF">4.2 Criticality<BR id="CRLF">4.3 Damage Tolerance<BR id="CRLF">4.4 Inductive Methods<BR><BR id="CRLF"><BR id="CRLF">5.0 <STRONG>Safety Objectives</STRONG><BR id="CRLF"><BR id="CRLF">5.1 Safety as a Function of Time<BR id="CRLF">5.2 Inspection<BR id="CRLF">5.3 Accidental Damage<BR id="CRLF">5.4 Design Data and Allowables<BR><BR id="CRLF"><BR id="CRLF">6.0 <STRONG>Risk Management</STRONG><BR id="CRLF"><BR id="CRLF">6.1 Unsafe State<BR id="CRLF">6.2 Role of Inspections<BR id="CRLF">6.3 Functions of Time and Inspection Approach<BR id="CRLF">6.4 Uncertainty<BR> <BR id="CRLF"><BR id="CRLF">7.0 <STRONG>Trades</STRONG><BR id="CRLF"><BR id="CRLF">7.1 Impact<BR id="CRLF">7.2 Degradation<BR id="CRLF">7.3 Damage Undetected at Major Inspections<BR id="CRLF">7.4 Repair<BR><BR id="CRLF"><BR id="CRLF">8.0 <STRONG>Building Block Approach</STRONG><BR id="CRLF"><BR id="CRLF">8.1 Components and Scale-up<BR id="CRLF">8.2 Allowables<BR id="CRLF">8.3 Criticality<BR id="CRLF">8.4 Current Practices<BR id="CRLF">8.5 Factor of Safety<BR><BR id="CRLF"><BR id="CRLF">9.0 <STRONG>Design Scenarios</STRONG><BR id="CRLF"><BR id="CRLF">9.1 Damaged Metal Structure<BR id="CRLF">9.2 Damaged Composite Structure<BR id="CRLF">9.3 Damage Criteria<BR id="CRLF">9.4 Structural Allowables<BR id="CRLF">9.5 Limit Load Requirements <BR id="CRLF">9.6 “New” Structural Concepts<BR><BR id="CRLF"><BR id="CRLF">10.0 <STRONG>The Design Process</STRONG><BR id="CRLF"><BR id="CRLF">10.1 Ultimate Static Strength Critical Structure<BR id="CRLF">10.2 Damage Growth and Damage Resistance<BR id="CRLF">10.3 Damage Tolerance<BR id="CRLF">10.4 Discrete Source Damage<BR id="CRLF">10.5 Design Variables<BR id="CRLF">10.6 Criteria Damage<BR id="CRLF">10.7 Critical Damage Type<BR><BR id="CRLF"><BR id="CRLF"><BR id="CRLF">11.0 <STRONG>Damage and Detection</STRONG><BR id="CRLF"><BR id="CRLF">11.1 Failed Detection<BR id="CRLF">11.2 Manufacturing Damage<BR id="CRLF">11.3 Maintenance Damage<BR id="CRLF">11.4 Accidental Damage<BR id="CRLF">11.5 Process Failure, Degradation and Damage<BR id="CRLF">11.6 In-Service Degradation and Damage<BR id="CRLF">11.7 Growth and Damage<BR id="CRLF">11.8 Ultimate Strength and Damage<BR id="CRLF">11.9 Safety and Damage<BR><BR id="CRLF"><BR id="CRLF">12.0 <STRONG>Design Philosophy</STRONG><BR id="CRLF"><BR id="CRLF">12.1 Ultimate Strength Critical Design<BR id="CRLF">12.2 Damage and Residual Strength<BR id="CRLF">12.3 Allowables and Design Values<BR id="CRLF">12.4 Ultimate Strength Design Values<BR id="CRLF">12.5 Design Philosophy and Uncertainty<BR id="CRLF">12.6 Unsafe State and Design<BR id="CRLF">12.7 Ultimate Integrity and Design<BR id="CRLF">12.8 Survival Philosophy<BR><BR id="CRLF"><BR id="CRLF">13.0 <STRONG>Analysis of Design Criteria</STRONG><BR id="CRLF"><BR id="CRLF">13.1 Vehicle Objective<BR id="CRLF">13.2 Overall Structural Objective<BR id="CRLF">13.3 Principal Structural Element Criteria<BR id="CRLF">13.4 Ultimate Requirement<BR id="CRLF">13.5 Damage Tolerance Requirement<BR id="CRLF">13.6 Inspection Criteria<BR id="CRLF">13.7 Damage Growth Rates Criteria<BR id="CRLF">13.8 Threat and Damage Criteria<BR id="CRLF">13.9 Safety Criteria Baseline<BR id="CRLF">13.10 Scale-up Criteria<BR id="CRLF">13.11 Failure Criteria<BR id="CRLF">13.12 Monitoring and Feedback Criteria<BR id="CRLF">13.13 Criteria for Safe Design of Damaged Structure<BR><BR id="CRLF"><BR id="CRLF">14.0 <STRONG>Design Example</STRONG><BR id="CRLF"><BR id="CRLF">14.1 Geometrically Nonlinear Structural Design<BR id="CRLF">14.2 Fail-safety, Material Nonlinearities and Hybrid Design<BR id="CRLF">14.3 Fail-safe Criteria in Design<BR id="CRLF">14.4 Structural Concepts and Design Space<BR id="CRLF">14.5 Critical Damage Tolerance Design <BR id="CRLF">14.6 Types of Data for Design<BR><BR id="CRLF"><BR id="CRLF">15.0 <STRONG>Design of Composite Structure</STRONG><BR><BR id="CRLF"><BR id="CRLF"><STRONG>Appendix A</STRONG> A Model of Ultimate Integrity<BR id="CRLF"><BR id="CRLF"><STRONG>Appendix B</STRONG> A Comparison between Metal and Composite Panels


    No. of pages:
    © Elsevier Science 2005
    9th June 2005
    Elsevier Science
    Hardcover ISBN:
    eBook ISBN:

    About the Author

    Dr. Bjorn Backman

    Affiliations and Expertise

    Structure and Materials Structured Research, Camano Island, WA, USA


    "The book should be read by all involved in the design of aerospace structures"
    - International Journal of Fatigue, John Summerscales, Advanced Composite Manufacturing Centre, University of Plymouth

    Ratings and Reviews