I have a question regarding the simulation of cone penetration tests using the SANISAND04 model. I have observed that the parameter m (yield surface size)has a significant impact on the penetration force, even m ranges from 0.01 to 0.03. The FEM simulation shows that the penetration force increases with decrease of m. What is the cause of this issue?

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6 Comments
  1. Arie Koot
    Arie Koot 1 year ago

    is it a drained or undrained simulation?

  2. Abdiel Ramon Leon Bal
    Abdiel Ramon Leon Bal 12 months ago

    I’m not very familiar with the SANISAND model, but I would expect the forces to increase as the initial yield surfaces gets larger, since my elastic space also becomes larger. Maybe it’s somehow oversimplied my analysis. Does a decreasing m parameter lead to a smaller yield surface?

    • An Zhanng Author
      An Zhanng 11 months ago

      Thank you. The yield surface becomes smaller with decreasing m. The simulation result is very strange.

      • Abdiel Ramon Leon Bal
        Abdiel Ramon Leon Bal 11 months ago

        Hello. Any update on the results or potential cause for this behavior?

  3. Zhentao Liu
    Zhentao Liu 3 months ago

    Hi, dear zhanng
    did you complete the simulation in ABAQUS or in PLAXIS?

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