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LS Dyna

LS Dyna

Topics related to LS-DYNA, Autodyn, Explicit STR and more.

DEFINE_CURVE & LOAD_BODY_Z

    • yjg298
      Subscriber

      Hi everyone. I am making a model that glass breaks under pressure. Is it correct to define the load in DEFINE_CURVE and LOAD_BODY_Z ㅁas shown in the picture below? I look forward to your reponse. Thanks.

    • Alex R.
      Ansys Employee

      Hello, 

      DEFINE_CURVE and LOAD_BODY_Z cards are frequently used to define gravity, thus a value of 0.00981 in the load curve. Is the glass breaking under gravity, or is there another load acting on it? 

      Please let me know. 

      Thanks,
      Alex 

      • yjg298
        Subscriber

        I want to apply another load acting on the glass. no gravity. Thanks.

      • yjg298
        Subscriber

        I tried setting it to 10 instead of 0.00981, but the glass didn't break. Could you help me?

    • Alex R.
      Ansys Employee

      Hello, 

      To apply loads at the specific node/s the keywords *LOAD_NODE/*LOAD_NODE_SET can be used. Please look at the KW II. 

      https://ftp.lstc.com/anonymous/outgoing/web/ls-dyna_manuals/R15/LS-DYNA_Manual_Volume_I_R15.pdf

      Thank you,

      Alex 

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