Enabling technologies for unified life-cycle engineering of structural components / Committee on Enabling Technologies for Unified Life-Cycle Engineering of Structural Components, National Materials Advisory Board, Commission on Engineering and Technical Systems, National Research Council.

Format:

Book

Author/Creator:

National Research Council (U.S.). Committee on Enabling Technologies for Unified Life-Cycle Engineering of Structural Components.

Series:

Publication NMAB ; 455.

Publication NMAB ; 455

Language:

English

Subjects (All):

Weapons systems--Design and construction.

Weapons systems.

Product life cycle.

Physical Description:

1 online resource (x, 99 pages) : illustrations.

Edition:

1st ed.

Place of Publication:

Washington, D.C. : National Academy Press, 1991.

Language Note:

English

Summary:

Unified life-cycle engineering (ULCE) is a design engineering environment. This book addresses ULCE approaches to design, manufacture, and application of structural components, especially for advanced military systems. Conclusions and recommendations to support the development of an effective ULCE design engineering environment are also presented.

Contents:

EBABLING TECHNOLOGIES FOR UNIFIED LIFE-CYCLE ENGINEERING OF STRUCTURAL COMPONENTS

Copyright

ABSTRACT

PREFACE

Contents

EXECUTIVE SUMMARY

1 INTRODUCTION

OBJECTIVE

APPROACH

UNIFIED LIFE-CYCLE ENGINEERING

POTENTIAL PAYOFF

CURRENT AND FUTURE ENVIRONMENT

VALIDITY OF STUDY FINDINGS FOR OTHER PRODUCTS

REFERENCES

2 DESIGN

CURRENT ENVIRONMENT

Conceptual Design

Preliminary Design

Detailed Design

FUTURE ENVIRONMENT

SIGNIFICANCE OF THE CHANGE

3 MANUFACTURING

Manufacturing-Design Interface

Computer-Integrated Manufacturing

Sourcing

Design-Manufacturing-Support Interface

4 PRODUCT SUPPORT

Maintenance Attributes

Battle Readiness

5 MATERIALS

Materials Data for Design

Materials Data for Manufacturing

Materials for Product Support

Materials Data for Design and Manufacture

Materials in Support

6 INFORMATION SYSTEMS

Flow of Information

Information Technology

7 CRITICAL ISSUES

VALIDATION

CRITICAL ISSUES 1

Needs and Concerns

Material Development Versus Application

As-Processed Materials Information

Damage Characterization

Extrapolation of Materials Performance and Lifetime Prediction

Test Methods

Intelligent Processing of Materials

Component Manufacture and Repair

Enabling Technologies

Techniques for Damage Characterization

Technologies for Enhancing Design for Supportability.

CRITICAL ISSUES 2

Life-Cycle Cost Model

Prediction of Lifetime Performance

Analysis and Simulation of Manufacturing Processes

Analysis and Simulation of Support Processes

Analysis of the Design Process

Life-Cycle Cost Calculator

Life-Cycle Performance

Stochastic Methods

Product-Process Modelers

Feature-Based Modeling

CRITICAL ISSUES 3

Information Reference Model

Intuitively Understandable Software Systems

Design Assessment Tools

Training and Education

Organizational Issues

Cognitive Systems Science and Technology

Machine Learning Technology

Data-Base Technology

Product Definition Standards Technology

Communication Network Technology

CRITICAL ISSUES 4

Limitations of Field Data

Reference Supportability Data

Uniform Supportability Quantifiers

Missing and Uncertain Information

Use of Diagnostic Tools

Rapid Prototyping Techniques

Techniques for Ranking and Selecting Critical Parameters

Knowledge-Based and Expert Systems

Systems for Missing and Uncertain Data

8 CONCLUSIONS AND RECOMMENDATIONS

GENERAL CONCLUSIONS AND RECOMMENDATIONS

Conclusion 1: Program Scale

Recommendation 1: Define the ULCE program scale.

Action Item

Conclusion 2: Demonstration Project

Recommendation 2: Establish a demonstration project for ULCE.

Conclusion 3: Lead Agency

Recommendation 3: Assign lead responsibility for developing and implementing ULCE to one agency.

CONCLUSIONS AND RECOMMENDATIONS FROM FIRST CRITICAL ISSUE

Conclusion 4: Materials Research

Recommendation 4: Initiate and focus on materials research and characterization appropriate to the n ...

Action Item.

Conclusion 5: Communication

Recommendation 5: Improve communication of ULCE needs within the materials community and governmental…

Action Items

Conclusion 6: Calculating Life-Cycle Costs

Recommendation 6: Develop a model life-cycle cost calculator.

Conclusion 7: Improved CAD-CAM Systems

Recommendation 7: Accelerate the development of CAD-CAM systems that incorporate complete product description…

Conclusion 8: Analytical Methods

Recommendation 8: Expand the application of analytical methods.

Conclusion 9: Information Reference Model

Recommendation 9: Build and implement a conceptual, system-level information reference model.

Actions Items

Conclusion 10: Standardized Representation

Recommendation 10: Develop and coordinate standard representations for entities in the ULCE system for…

Conclusion 11: Conceptual Design Assessment

Recommendation 11: Develop a rapid analysis tool for the conceptual design phase that embodies producibility…

Conclusion 12: Gathering and Using Field Data

Recommendation 12: Develop and enhance capabilities to relate field observations to design attributes.

Conclusion 13: Use of Sensors

Recommendation 13: Develop improved sensor-based tools for periodic or continuous monitoring to assess…

Conclusion 14: Education and Training

Recommendation 14: Initiate and promote education and training in ULCE concepts and methods.

Conclusion 15: Missing Information

Recommendation 15: Develop better techniques to deal with missing or uncertain information.

Action Items

APPENDIX A CASE STUDY OF A METALLIC GAS TURBINE DISK

APPENDIX B CASE STUDY OF A COMPOSITE AIRFRAME STRUCTURE

CONCEPTUAL DESIGN

PROTOTYPE

FULL-SCALE DEVELOPMENT

PRODUCTION

OPERATION

APPENDIX C PRESENTATIONS TO THE COMMITTEE

APPENDIX D BIOGRAPHICAL SKETCHES OF COMMITTEE MEMBERS.

Notes:

Bibliographic Level Mode of Issuance: Monograph

Includes bibliographical references.

ISBN:

9786610211692

9781280211690

1280211695

9780309583398

030958339X

9780585143569

0585143560

OCLC:

44956056