Development of probalistic structural analysis methods for hot engine structures is a major activity at Lewis Research Center. It consists of three program elements: (1) composite load spectra methodology, (2) probabilistic structural analysis methodology, and (3) probabilistic structural analysis application. Recent progress includes: (1) quantification of the effects of uncertainties for several variables on High Pressure Fuel Turbopump (HPFT) tubine blade temperature, pressure, and torque of the Space Shuttle Main Engine (SSME), (2) the evaluation of the cumulative distribution function for various structural response variables based on assumed uncertainties in primitive structural variables, and (3) evaluation of the failure probability. Collectively, the results demonstrate that the structural durability of hot engine structural components can be effectively evaluated in a formal probabilistic/reliability framework.
Probabilistic structural analysis methods of hot engine structures
Wahrscheinlichkeitsmethoden fuer die Strukturanalyse heisser Triebwerksstrukturen
ASME-Papers ; Jun ; 1-13
1989
13 Seiten, 16 Bilder, 4 Tabellen, 10 Quellen
Aufsatz (Konferenz)
Englisch
Probabilistic structural analysis methods
Kraftfahrwesen | 1988
|Probabilistic Structural Analysis Methods
SAE Technical Papers | 1988
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