To provide an overview of how the solid-to-solid contact force equation in MSC.ADAMS can be used to reduce contact model development, minimize the probability of introducing an error and reduce simulation run time by citing the example of the International Space Station (ISS).Design/methodology/approach – In early 2000, a redesign of the ISS required a more thorough representation of the contacting geometry. The MSC.ADAMS solid to solid contact force statement became available in time to solve this problem. This allowed simulation of the segment to segment attachment, including various combinations of contact feature misalignment.Findings – A structural failure of a “Zip” nut during qualification testing resulted in a NASA request for a force balance on the nut housing, internal nut segments and bolt. Using MSC.ADAMS solid to solid contact simulation, the desired force balance was obtained. The analysis showed the coarse guide to fine guide handoff did not bind and fine guide seating engaged, allowing the four motorized bolts to connect the segment-to-segment interface.Originality/value – MSC.ADAMS solid to solid contact algorithms decreased simulation time, allowing this very complicated contact problem to be completed in less than 30 min. Using CAD model solid geometry greatly reduced model development time. Solid to solid contact simulation eliminated the need for tedious derivation vector algebra contact equations and greatly advanced the level of geometric complexity that could be modeled as contacting interfaces. This also minimizes the probably of errors.


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    Titel :

    International space station mechanism contact simulation


    Beteiligte:
    Favero, Jan P. (Autor:in)


    Erscheinungsdatum :

    2005-02-01


    Format / Umfang :

    9 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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