Probabilistic Evaluation Of Uncertainties And Risks In Aerospace Components
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Author |
: A. R. Shah |
Publisher |
: |
Total Pages |
: 52 |
Release |
: 1992 |
ISBN-10 |
: NASA:31769000600661 |
ISBN-13 |
: |
Rating |
: 4/5 (61 Downloads) |
Synopsis Probabilistic Evaluation of Uncertainties and Risks in Aerospace Components by : A. R. Shah
Author |
: National Aeronautics and Space Administration (NASA) |
Publisher |
: Createspace Independent Publishing Platform |
Total Pages |
: 50 |
Release |
: 2018-07-10 |
ISBN-10 |
: 1722602260 |
ISBN-13 |
: 9781722602260 |
Rating |
: 4/5 (60 Downloads) |
Synopsis Probabilistic Evaluation of Uncertainties and Risks in Aerospace Components by : National Aeronautics and Space Administration (NASA)
This paper summarizes a methodology developed at NASA Lewis Research Center which computationally simulates the structural, material, and load uncertainties associated with Space Shuttle Main Engine (SSME) components. The methodology was applied to evaluate the scatter in static, buckling, dynamic, fatigue, and damage behavior of the SSME turbo pump blade. Also calculated are the probability densities of typical critical blade responses, such as effective stress, natural frequency, damage initiation, most probable damage path, etc. Risk assessments were performed for different failure modes, and the effect of material degradation on the fatigue and damage behaviors of a blade were calculated using a multi-factor interaction equation. Failure probabilities for different fatigue cycles were computed and the uncertainties associated with damage initiation and damage propagation due to different load cycle were quantified. Evaluations on the effects of mistuned blades on a rotor were made; uncertainties in the excitation frequency were found to significantly amplify the blade responses of a mistuned rotor. The effects of the number of blades on a rotor were studied. The autocorrelation function of displacements and the probability density function of the first passage time for deterministic and random barriers for structures subjected to random processes also were computed. A brief discussion was included on the future direction of probabilistic structural analysis. Shah, A. R. and Shiao, M. C. and Nagpal, V. K. and Chamis, C. C. Glenn Research Center RTOP 505-63-53...
Author |
: |
Publisher |
: |
Total Pages |
: 88 |
Release |
: 2000 |
ISBN-10 |
: NASA:31769000658735 |
ISBN-13 |
: |
Rating |
: 4/5 (35 Downloads) |
Synopsis Probabilistic Risk Assessment by :
Contains references to documents in the NASA Scientific and Technical (STI) Database.
Author |
: |
Publisher |
: |
Total Pages |
: 652 |
Release |
: 1995 |
ISBN-10 |
: MINN:31951P004956165 |
ISBN-13 |
: |
Rating |
: 4/5 (65 Downloads) |
Synopsis Scientific and Technical Aerospace Reports by :
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 |
: Satya N. Atluri |
Publisher |
: AIAA |
Total Pages |
: 580 |
Release |
: 1992 |
ISBN-10 |
: 160086399X |
ISBN-13 |
: 9781600863998 |
Rating |
: 4/5 (9X Downloads) |
Synopsis Computational Nonlinear Mechanics in Aerospace Engineering by : Satya N. Atluri
Author |
: |
Publisher |
: |
Total Pages |
: 492 |
Release |
: 1994 |
ISBN-10 |
: MINN:31951P00691495X |
ISBN-13 |
: |
Rating |
: 4/5 (5X Downloads) |
Synopsis NASA Technical Memorandum by :
Author |
: E. R. Krueger |
Publisher |
: |
Total Pages |
: 288 |
Release |
: 1995 |
ISBN-10 |
: UOM:39015069215955 |
ISBN-13 |
: |
Rating |
: 4/5 (55 Downloads) |
Synopsis Proceedings of the Fourth World Conference on Engineering Education by : E. R. Krueger
Author |
: |
Publisher |
: |
Total Pages |
: 1828 |
Release |
: 1994 |
ISBN-10 |
: UIUC:30112063915083 |
ISBN-13 |
: |
Rating |
: 4/5 (83 Downloads) |
Synopsis Monthly Catalogue, United States Public Documents by :
Author |
: |
Publisher |
: |
Total Pages |
: 436 |
Release |
: 1991 |
ISBN-10 |
: UCAL:$C40158 |
ISBN-13 |
: |
Rating |
: 4/5 (58 Downloads) |
Synopsis Technology 2000 by :
Author |
: Longbiao Li |
Publisher |
: BoD – Books on Demand |
Total Pages |
: 212 |
Release |
: 2020-12-23 |
ISBN-10 |
: 9781789847925 |
ISBN-13 |
: 1789847923 |
Rating |
: 4/5 (25 Downloads) |
Synopsis Safety and Risk Assessment of Civil Aircraft during Operation by : Longbiao Li
This book introduces safety and risk analysis methods for aircraft and aero-engines, design approaches for increasing safety and decreasing risk during operation, air traffic controllers’ attitudes to mistakes hazards, theories and models of human error occurrence during aircraft maintenance processes, and damage and failure analysis for composite structures.