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  1. cbat

    Counterweight and Cable Model with singular stiffness matrix issues

    Hi guys, im using strand7 non linear transient analysis to examine the effect of a dynamic force on a counterweight. This countweight is suspended from a beam that is being impacted. I have modelled the cables using beam elements and selecting the beam element to act as a cable. The...
  2. cbat

    Strand7 Time delay of multiple forces

    I'm trying simulate 6 forces of equal magnitude impacting a row of consectuve beams, each 1 second apart (ie like a truck impacting cross beams along the length of a bridge). I am restricted to using Strand 7, is it possible to individually delay each force in a dynamic analysis? Or is there a...
  3. cbat

    Strand 7 help Modelling a vehicle impact with a bridge

    Hi guys, My current project involves modelling an excavator arm impacting a series of cross-beams on a steel bridge. I have little to no experience in Strand 7 and am looking for a few pointers on how to go about the model! If anyone has some tips to direct me along that would be fantastic. So...

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