Mode of access: World Wide Web.

System requirements: Adobe Acrobat Reader.

Part of: Synthesis digital library of engineering and computer science.

Includes bibliographical references.

1. Overview of the integrated test analysis process (ITAP) -- 1.1. Introduction -- 1.2. System dynamic model -- 1.3. Modal test plan and test-analysis correlation -- 1.4. Measured data acquisition -- 1.5. Measured data analysis -- 1.6. Experimental modal analysis -- 1.7. Model updating (reconciliation) -- 1.8. General references -- 1.9. Key illustrative examples -- 1.10. Closure

2. Definition of test article finite element models -- 2.1. Part 1 : variational foundations of modern structural dynamics -- 2.2. Part 2 : guidelines for systematic model development -- 2.3. References

3. Systematic modal test planning -- 3.1. Part 1 : understanding modal dynamic characteristics -- 3.2. Part 2 : target mode selection -- 3.3. Part 3 : response DOF selection for mapping experimental modes -- 3.4. References

4. Measured data analysis -- 4.1. Part 1 : preliminary measured data analysis -- 4.2. Part 2 : frequency response function estimates from measured data -- 4.3. References

5. Experimental modal analysis -- 5.1. Part 1 : Preliminary experimental modal analysis -- 5.2. Part 2 : the simultaneous frequency domain method -- 5.3. References

6. Systematic test analysis correlation -- 6.1. Part 1 : conventional mass weighted correlation of test and FEM modes -- 6.2. Part 2 : correlation of test and FEM modes using left-hand eigenvectors -- 6.3. References

7. Reconciliation of finite element models and modal test data -- 7.1. Part 1 : finite element model modal sensitivity -- 7.2. Part 2 : test-analysis reconciliation -- 7.3. References.

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Over the past 60 years, the U.S. aerospace community has developed, refined, and standardized an integrated approach to structural dynamic model verification and validation. One name for this overall approach is the Integrated Test Analysis Process (ITAP) for structural dynamic systems. ITAP consists of seven sequential tasks, namely: (1) definition of test article finite element models; (2) systematic modal test planning; (3) measured data acquisition; (4) measured data analysis; (5) experimental modal analysis; (6) systematic test-analysis correlation; and (7) reconciliation of finite element models and modal test data. Steps 1, 2, and 7 rely strictly on mathematical model disciplines, and steps 3 and 4 rely on laboratory disciplines and techniques. Current industry practice of steps 5 and 6 calls for interaction of mathematical model and laboratory disciplines, which compromises the objectivity of both modeling and laboratory disciplines. This book addresses technical content, strategies, and key relevant experiences related to all steps of ITAP, except for measured data acquisition which is the specialized domain of highly experienced laboratory professionals who contend with mechanical and electrical practicalities of instrumentation, excitation hardware, and data collection systems.

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Title from PDF title page (viewed on November 27, 2019).