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Modeling of Bolts

ron.kunz
Dear all,
I have a big assembly and want to model bolts in the complete assembly. What is the best and accurate way to model this.
Cbar analysis is accurate enough to analyse the bolt forces. Boltstress is of secundair interest.
Are there examples for these bolts?
In addition bar orientation for this CBAR property, how can this best be modeled?
 
Thanks in advance
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  • 0
    Hi Ron,
     
    If you have already center grid, then can create directly rbe2, no need to use the utility. This utility helps in creating center grid automatically.
     
    For circular bolt direction of the Y and Z does not matter, as it is symmetric at each quadrant.
     
    For 3 plates create three spiders, one for each plate. Connect them with cbar(1st cba = node 1 to node 2; 2dn cbar = node 2 to node 3)
     
    For bolt forces in the case control use : FORCE = ALL
     
    Thanks,
    Vivek
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  • 0
    Hi Ron,
     
    If you have already center grid, then can create directly rbe2, no need to use the utility. This utility helps in creating center grid automatically.
     
    For circular bolt direction of the Y and Z does not matter, as it is symmetric at each quadrant.
     
    For 3 plates create three spiders, one for each plate. Connect them with cbar(1st cba = node 1 to node 2; 2dn cbar = node 2 to node 3)
     
    For bolt forces in the case control use : FORCE = ALL
     
    Thanks,
    Vivek
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