The basic idea presented herein is that a systematic method for optimal structural design can be developed that accounts for probable future damage to the structure. A general mathematical model for the damage-tolerant structure design problem is defined. Design sensitivity analysis and procedures for treatment of a large number of constraints for the problem are presented. As a practical design example, damage-tolerant design of an open truss helicopter tail-boom structure is considered. Optimal designs for several cases of the tail-boom are presented. It is shown that considerable design variation is necessary to achieve the damage-tolerant design objective. It is also shown that if the structure is optimized without consideration of damage, the structure will fail catastrophically when any damage occurs to the structure. (Stoehr)


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    Title :

    Optimal design of large structures for damage tolerance


    Additional title:

    Optimaler Entwurf grosser Bauteile mit Schadenstoleranz


    Contributors:
    Arora, J.S. (author) / Haskell, D.F. (author) / Govil, A.K. (author)

    Published in:

    AIAA Journal ; 18 , 5 ; 563-570


    Publication date :

    1980


    Size :

    8 Seiten, 4 Bilder, 8 Tabellen, 11 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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