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An Application of Retroduction to Analyzing and Testing the Backing off of Nuts and Bolts During Dynamic LoadingThe method of retroduction, adapted from the doctoral thesis of Dr. A. Croce, relies on a process of dialectic questioning that begins with the information sought, proceeds to Given items (either in the form of dimensions or limits of research). and to Known mathematical forms of analysis in design or to principles of study in research. Finally, analysis and synthesis are used to abstract the dielectic questions and to arrive at the information desired. This method is used to solve the engineering design problem of a beam and to determine why bolts and nuts vibrate apart. Both mathematical analysis and dialectic logical analysis are utilized. Results are provided of tests conducted to check the retroductive study of why and how nuts back off.
Document ID
Document Type
Technical Memorandum (TM)
Kerley, James J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 5, 2013
Publication Date
June 1, 1987
Subject Category
Mechanical Engineering
Report/Patent Number
NAS 1.15:4001
Accession Number
Funding Number(s)
PROJECT: RTOP 992-41-00
Distribution Limits
Work of the US Gov. Public Use Permitted.
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