LS Dyna

LS Dyna

How to model fiber reinforced concrete (polymer fiber) for LS-DYNA/Explicit Dynamics?

    • Arafat_Liverpool
      Subscriber
      Hello, I am trying to create polymer fiber reinforced concrete for impact analysis. As the explicit dynamics does not support APDL command, I can only use the features of Workbench. Would it be possible to share a tutorial or method on creating fiber reinforced concrete for dynamic analysis? nAlso, if I want to create confined concrete (concrete wrapped with plastic), how can I do that in Workbench? Thanks! n
    • Ashish Khemka
      Ansys Employee
      I have moved this discussion to Explicit Dynamics Section.nnRegards,nAshish Khemkan
    • Arafat_Liverpool
      Subscriber
      Understood. I am waiting for an answer. n
    • Missy Ji
      Ansys Employee
      You may use reinforcement body interaction to model polymer fiber reinforced concrete.nThis body interaction type is used to apply discrete reinforcement to solid bodies. All line bodies scoped to the object will be flagged as potential discrete reinforcing bodies in the solver. On initialization of the solver, all elements of the line bodies scoped to the object which are contained within any solid body in the model will be converted to discrete reinforcement. Elements which lie outside all volume bodies will remain as standard line body elements.nThe reinforcing beam nodes will be constrained to stay at the same initial parametric location within the volume element where they reside during element deformation. Typical applications involve reinforced concrete or reinforced rubber structures like tires and hoses.nIf the volume element to which a reinforcing node is tied is eroded, the beam node bonding constraint is removed and becomes a free beam node.n
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