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Publisher : DIANE Publishing
ISBN 13 : 1428995196
Total Pages : 72 pages
Book Rating : 4.4/5 (289 download)
Download or read book Hybrid Residual Flexibility/Mass-Additive Method for Structural Dynamic Testing written by and published by DIANE Publishing. This book was released on 2003 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781723957260
Total Pages : 74 pages
Book Rating : 4.9/5 (572 download)
Download or read book Hybrid Residual Flexibility/Mass-Additive Method for Structural Dynamic Testing written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-23 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: A large fixture was designed and constructed for modal vibration testing of International Space Station elements. This fixed-base test fixture, which weighs thousands of pounds and is anchored to a massive concrete floor, initially utilized spherical bearings and pendulum mechanisms to simulate Shuttle orbiter boundary constraints for launch of the hardware. Many difficulties were encountered during a checkout test of the common module prototype structure, mainly due to undesirable friction and excessive clearances in the test-article-to-fixture interface bearings. Measured mode shapes and frequencies were not representative of orbiter-constrained modes due to the friction and clearance effects in the bearings. As a result, a major redesign effort for the interface mechanisms was undertaken. The total cost of the fixture design, construction and checkout, and redesign was over $2 million. Because of the problems experienced with fixed-base testing, alternative free-suspension methods were studied, including the residual flexibility and mass-additive approaches. Free-suspension structural dynamics test methods utilize soft elastic bungee cords and overhead frame suspension systems that are less complex and much less expensive than fixed-base systems. The cost of free-suspension fixturing is on the order of tens of thousands of dollars as opposed to millions, for large fixed-base fixturing. In addition, free-suspension test configurations are portable, allowing modal tests to be done at sites without modal test facilities. For example, a mass-additive modal test of the ASTRO-1 Shuttle payload was done at the Kennedy Space Center launch site. In this Technical Memorandum, the mass-additive and residual flexibility test methods are described in detail. A discussion of a hybrid approach that combines the best characteristics of each method follows and is the focus of the study.Tinker, M. L.Marshall Space Flight CenterTEST EQUIPMENT; DYNAMIC TESTS; DYNAMIC STRUCTURAL ANAL
Author : Roy R. Craig, Jr.
Publisher : John Wiley & Sons
ISBN 13 : 0471430447
Total Pages : 752 pages
Book Rating : 4.4/5 (714 download)
Download or read book Fundamentals of Structural Dynamics written by Roy R. Craig, Jr. and published by John Wiley & Sons. This book was released on 2006-07-11 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: From theory and fundamentals to the latest advances in computational and experimental modal analysis, this is the definitive, updated reference on structural dynamics. This edition updates Professor Craig's classic introduction to structural dynamics, which has been an invaluable resource for practicing engineers and a textbook for undergraduate and graduate courses in vibrations and/or structural dynamics. Along with comprehensive coverage of structural dynamics fundamentals, finite-element-based computational methods, and dynamic testing methods, this Second Edition includes new and expanded coverage of computational methods, as well as introductions to more advanced topics, including experimental modal analysis and "active structures." With a systematic approach, it presents solution techniques that apply to various engineering disciplines. It discusses single degree-of-freedom (SDOF) systems, multiple degrees-of-freedom (MDOF) systems, and continuous systems in depth; and includes numeric evaluation of modes and frequency of MDOF systems; direct integration methods for dynamic response of SDOF systems and MDOF systems; and component mode synthesis. Numerous illustrative examples help engineers apply the techniques and methods to challenges they face in the real world. MATLAB(r) is extensively used throughout the book, and many of the .m-files are made available on the book's Web site. Fundamentals of Structural Dynamics, Second Edition is an indispensable reference and "refresher course" for engineering professionals; and a textbook for seniors or graduate students in mechanical engineering, civil engineering, engineering mechanics, or aerospace engineering.
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Publisher :
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.:/5 (317 download)
Download or read book Technology for the Stars: Extending Our Reach written by and published by . This book was released on 1996 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.3/5 (243 download)
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1987 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.:/5 (318 download)
Download or read book 35th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference written by and published by . This book was released on 1994 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul Stanley Bookout
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (317 download)
Download or read book Statistically Generated Weighted Curve Fit of Residual Functions for Modal Analysis of Structures written by Paul Stanley Bookout and published by . This book was released on 1995 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 772 pages
Book Rating : 4.:/5 (318 download)
Download or read book Thirty-sixth AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and AIAA/ASME Adaptive Structures Forum written by and published by . This book was released on 1995 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Institute of Aeronautics and Astronautics
Publisher :
ISBN 13 :
Total Pages : 1252 pages
Book Rating : 4.F/5 ( download)
Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 2003 with total page 1252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 686 pages
Book Rating : 4.:/5 (318 download)
Download or read book A Collection of Technical Papers written by and published by . This book was released on 1992 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Institute of Aeronautics and Astronautics
Publisher : AIAA (American Institute of Aeronautics & Astronautics)
ISBN 13 :
Total Pages : 954 pages
Book Rating : 4.:/5 (318 download)
Download or read book A Collection of Technical Papers written by American Institute of Aeronautics and Astronautics and published by AIAA (American Institute of Aeronautics & Astronautics). This book was released on 1997 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents proceedings from the 38th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and AIAA/ASME/AHS Adaptive Structures Forum.
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ISBN 13 :
Total Pages : 464 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : Randall J. Allemang
Publisher :
ISBN 13 :
Total Pages : 308 pages
Book Rating : 4.:/5 (318 download)
Download or read book Experimental Modal Analysis and Dynamic Component Synthesis: System modeling techniques written by Randall J. Allemang and published by . This book was released on 1987 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Randall J. Allemang
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (318 download)
Download or read book Experimental Modal Analysis and Dynamic Component Synthesis: Summary of technical work written by Randall J. Allemang and published by . This book was released on 1987 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1040 pages
Book Rating : 4.F/5 ( download)
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 530 pages
Book Rating : 4.:/5 (318 download)
Download or read book Journal of Applied Mechanics written by and published by . This book was released on with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 650 pages
Book Rating : 4.0/5 ( download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt:
