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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
    Thanks Vivek,
    -Regarding: "For bolt forces in the case control use : FORCE = ALL"
    In output request this is the Element forces?
    How can one show these results in Patran after solving? And especially filter the CBAR results? Besides showing, one can get also a list of forces?
     
    -Attached I have a CBAR in a current model I have
    CBAR
    So the CBAR created seems to consist of 2 elements (upper part and bottom part). This is an old model. Is this correct? Or should only 1 element been created?
     
    -An additional question regaring creating CBARS. If one select the two center nodes of a CBAR, does Patran recognise this as the x-axis? The axial direction is always the x-axis? Or if the boltaxis is not in the x-axis direction one should create a local axis system?
     
    Thanks
     
Reply
  • 0
    Thanks Vivek,
    -Regarding: "For bolt forces in the case control use : FORCE = ALL"
    In output request this is the Element forces?
    How can one show these results in Patran after solving? And especially filter the CBAR results? Besides showing, one can get also a list of forces?
     
    -Attached I have a CBAR in a current model I have
    CBAR
    So the CBAR created seems to consist of 2 elements (upper part and bottom part). This is an old model. Is this correct? Or should only 1 element been created?
     
    -An additional question regaring creating CBARS. If one select the two center nodes of a CBAR, does Patran recognise this as the x-axis? The axial direction is always the x-axis? Or if the boltaxis is not in the x-axis direction one should create a local axis system?
     
    Thanks
     
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