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Record Nr. |
UNINA9910957181403321 |
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Titolo |
Computer-aided materials selection during structural design / / Committee on Application of Expert Systems to Materials Selection During Structural Design, National Materials Advisory Board, Commission on Engineering and Technical Systems, National Research Council |
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Pubbl/distr/stampa |
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Washington, D.C., : National Academy Press, c1995 |
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ISBN |
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9780309176651 |
0309176654 |
9780309587679 |
0309587670 |
9780585030753 |
0585030758 |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (84 p.) |
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Disciplina |
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Soggetti |
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Structural design - Data processing |
Materials - Data processing |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di bibliografia |
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Includes bibliographical references (p. 41-43). |
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Nota di contenuto |
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""Computer-Aided Materials Selection During Structural Design""; ""Copyright""; ""Abstract""; ""Acknowledgments""; ""Preface""; ""Contents""; ""Executive Summary""; ""VISION OF A COMPUTER-AIDED MATERIALS SELECTION SYSTEM""; ""STRATEGIES FOR OVERCOMING BARRIERS""; ""Database and Knowledge-Base Barriers""; ""Structural Design Modeling Technology Barriers""; ""GENERAL CONCLUSIONS AND RECOMMENDATIONS""; ""1 Introduction""; ""BENEFITS""; ""DEFINITIONS""; ""STUDY OBJECTIVES AND SCOPE""; ""2 Materials Selection in Structural Design""; ""CONCURRENT ENGINEERING AND DESIGN ORGANIZATION"" |
""MATERIALS SELECTION DURING COMPUTER-AIDED DESIGN""""SUMMARY OF MATERIALS INFORMATION REQUIREMENTS IN DESIGN""; ""3 Enhancing the Materials Selection Process in Design: A Vision""; ""INTEGRATED ENGINEERING SUPPORT IN INTEGRATED ENTERPRISES""; ""SUPPORTING STRATEGIC MATERIAL DECISIONS""; ""SUPPORTING |
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ROUTINE MATERIAL DECISIONS""; ""SUPPORTING INNOVATIVE MATERIALS SELECTION IN DESIGN""; ""SUMMARY""; ""4 Information Technologies Pertinent to the Materials Selection Process""; ""DATABASES AND KNOWLEDGE BASES""; ""Levels of Representation""; ""Issues Concerning Knowledge-Base Development"" |
""Definition of Knowledge Bases""""Development of Knowledge Bases""; ""Construction of Knowledge Bases""; ""Issues Concerning Database Development""; ""MODELING AND ANALYSIS SYSTEMS""; ""Geometric Reasoning""; ""Process Modeling""; ""Modeling of Abstraction of Downstream Constraints""; ""Measurement Modeling""; ""Quantitative Nondestructive Evaluation""; ""Damage-Tolerant Design""; ""Probability of Detection""; ""Issues Concerning Implementing Modeling and Analysis Systems""; ""5 Conclusions and Recommendations""; ""STRATEGIES FOR OVERCOMING BARRIERS"" |
""Database and Knowledge-Base Barriers""""Structural Design Modeling Technology Barriers""; ""GENERAL CONCLUSIONS AND RECOMMENDATIONS""; ""References""; ""Appendix A: Glossary of Acronyms""; ""Appendix B: Case Studies Reviewed by the Committee""; ""Appendix C: Review of Selected Knowledge-Representation Techniques and Tools""; ""CASE-BASED REASONING""; ""CONSTRAINT-BASED REASONING""; ""ACTIVE DATA DICTIONARIES""; ""DATABASES""; ""FUZZY LOGIC""; ""GEOMETRIC AND MICROSTRUCTURAL INFORMATION REPRESENTATION""; ""HYPERDOCUMENTS""; ""MACHINE LEARNING""; ""MATHEMATICAL RELATIONS"" |
""NEURAL NETWORKS""""OBJECTS AND TAXONOMIES""; ""REASONING WITH UNCERTAINTY""; ""RULE-BASED REASONING""; ""SPATIAL SYNTHESIS AND LAYOUT""; ""STRUCTURE SELECTION""; ""TRUTH MAINTENANCE""; ""Appendix D: Knowledge-Based Integrated Design System""; ""INTRODUCTION""; ""THE CASE STUDY""; ""Appendix E: An Intelligent Knowledge System for Selection of Materials for Critical Aerospace Applications""; ""INTRODUCTION""; ""VISION OF THE SYSTEM""; ""TECHNOLOGIES INCLUDED IN THE SYSTEM""; ""Conceptual Model of an Intelligent-Knowledge-System""; ""IKSMAT Architecture and Operating Capabilities"" |
""STATUS OF DEVELOPMENT AND BARRIERS TO IMPLEMENTATION"" |
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Sommario/riassunto |
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The selection of the proper materials for a structural component is a critical activity that is governed by many, often conflicting factors. Incorporating materials expert systems into CAD/CAM operations could assist designers by suggesting potential manufacturing processes for particular products to facilitate concurrent engineering, recommending various materials for a specific part based on a given set of characteristics, or proposing possible modifications of a design if suitable materials for a particular part do not exist. This book reviews the structural design process, determines the elements, and capabilities required for a materials selection expert system to assist design engineers, and recommends the areas of expert system and materials modeling research and development required to devise a materials-specific design system. |
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