NASA s Shell Buckling Knockdown Factor (SBKF) Project was established in the spring of 2007 by the NASA Engineering and Safety Center (NESC) in collaboration with the Constellation Program and Exploration Systems Mission Directorate. The SBKF project has the current goal of developing less-conservative, robust shell buckling design factors (a.k.a. knockdown factors) and design and analysis technologies for light-weight stiffened metallic launch vehicle (LV) structures. Preliminary design studies indicate that implementation of these new knockdown factors can enable significant reductions in mass and mass-growth in these vehicles and can help mitigate some of NASA s LV development and performance risks. In particular, it is expected that the results from this project will help reduce the reliance on testing, provide high-fidelity estimates of structural performance, reliability, robustness, and enable increased payload capability. The SBKF project objectives and approach used to develop and validate new design technologies are presented, and provide a glimpse into the future of design of the next generation of buckling-critical launch vehicle structures.


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    Title :

    Developing the Next Generation Shell Buckling Design Factors and Technologies


    Contributors:

    Conference:

    53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference ; 2012 ; Honolulu, HI, United States


    Publication date :

    2012-04-20


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English






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