A CAD system for performing the virtual fatigue testing of rotorcraft components is described. The CAD system allows the drag and drop construction of damage models for performing the fatigue substantiation of rotorcraft components and for developing fault-to-failure damage progression models for condition-based maintenance systems for rotorcraft. Faulted conditions such as vibratory magnification due to rotor out-of-track or out-of-balance, structural damage due to time dependant corrosion fatigue, or missing or improperly installed fasteners can be simulated using test or analysis-based multi-dimensional tables to establish the required response surfaces relating the change in system response to changes in tracked parameters. These test-based or analytically derived response models can be chained together, allowing the simulation of complex non-linear system behavior. Example applications of the system to typical rotorcraft mechanical system components are described. Applications range from determining the impact of anomalous conditions on the retirement life of life-limited components, to determining the remaining life of dynamic system components experiencing premature fatigue cracking.


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    Titel :

    A CAD tool for developing fault-to-failure damage progression models for condition-based maintenance systems


    Weitere Titelangaben:

    Ein CAD-Werkzeug zur Entwicklung von Fehler-bis-Ausfall Schaden-Progressionsmodelle für zustandsbasierte Instandhaltungssysteme


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2004


    Format / Umfang :

    16 Seiten, 18 Bilder, 7 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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