Statistically Generated Weighted Curve Fit Of Residual Functions For Modal Analysis Of Structures
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Statistically Generated Weighted Curve Fit Of Residual Functions For Modal Analysis Of Structures
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Author : Paul Stanley Bookout
language : en
Publisher:
Release Date : 1995
Statistically Generated Weighted Curve Fit Of Residual Functions For Modal Analysis Of Structures written by Paul Stanley Bookout and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Modal analysis categories.
Statistically Generated Weighted Curve Fit Of Residual Functions For Modal Analysis Of Structures
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-16
Statistically Generated Weighted Curve Fit Of Residual Functions For Modal Analysis Of Structures written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-16 with categories.
A statistically generated weighting function for a second-order polynomial curve fit of residual functions has been developed. The residual flexibility test method, from which a residual function is generated, is a procedure for modal testing large structures in an external constraint-free environment to measure the effects of higher order modes and interface stiffness. This test method is applicable to structures with distinct degree-of-freedom interfaces to other system components. A theoretical residual function in the displacement/force domain has the characteristics of a relatively flat line in the lower frequencies and a slight upward curvature in the higher frequency range. In the test residual function, the above-mentioned characteristics can be seen in the data, but due to the present limitations in the modal parameter evaluation (natural frequencies and mode shapes) of test data, the residual function has regions of ragged data. A second order polynomial curve fit is required to obtain the residual flexibility term. A weighting function of the data is generated by examining the variances between neighboring data points. From a weighted second-order polynomial curve fit, an accurate residual flexibility value can be obtained. The residual flexibility value and free-free modes from testing are used to improve a mathematical model of the structure. The residual flexibility modal test method is applied to a straight beam with a trunnion appendage and a space shuttle payload pallet simulator. Bookout, P. S. Marshall Space Flight Center...
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995-05
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-05 with Aeronautics categories.
Hybrid Residual Flexibility Mass Additive Method For Structural Dynamic Testing
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Author :
language : en
Publisher: DIANE Publishing
Release Date : 2003
Hybrid Residual Flexibility Mass Additive Method For Structural Dynamic Testing written by and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Working On The Boundaries Philosophies And Practices Of The Design Process
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Author : R. Ryan
language : en
Publisher:
Release Date : 1996
Working On The Boundaries Philosophies And Practices Of The Design Process written by R. Ryan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Astronautics categories.
Monthly Catalog Of United States Government Publications
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1995
Monthly Catalog Of United States Government Publications written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Government publications categories.
Monthly Catalogue United States Public Documents
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Author :
language : en
Publisher:
Release Date : 1995-10
Monthly Catalogue United States Public Documents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-10 with Government publications categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 1995
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Government publications categories.
35th Aiaa Asme Asce Ahs Asc Structures Structural Dynamics And Materials Conference
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Author :
language : en
Publisher:
Release Date : 1994
35th Aiaa Asme Asce Ahs Asc Structures Structural Dynamics And Materials Conference written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Airplanes categories.
Nasa Tech Briefs
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Author :
language : en
Publisher:
Release Date : 1995
Nasa Tech Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Technology categories.