General Mechanical

General Mechanical

COMPRESSION TEST

    • saurabhiitk
      Subscriber

      Dear friends


      1) I want to simulate the compression test of  ABS specimen(its an honeycomb structure) in ANSYS.


      2) Should i use the tensile test data of standard ABS specimen(obtained experimentally)  to model the material for plasticity or


      3) Will I have to do compression test of a standard cube element of ABS and then use the data obtained to model the material for plasticity?


      please reply

    • Wenlong
      Ansys Employee

      Hi sarabhiitk,


      It depends on whether your material has a different young's modulus, yield point and hardening modulus in compression and tension. If yes, you do need to obtain a separate set of experiment data in compression.


      However, you may use the tensile data as a placeholder to set up your model first. If after your research you do believe a compressive data is needed, you can simply replace the material properties in the model.


       


      Regards,


      Wenlong


       

    • saurabhiitk
      Subscriber

      Hello Wenlong


      Thanks for your reply.


      what should be the dimensions and shape of the model to be tested under compression?


      Regards


      SAURABH

    • Wenlong
      Ansys Employee

      Hi Saurabh,


      That I am not familiar with but I am sure there are some standards in ASTM: https://www.admet.com/testing-applications/testing-standards/astm-e9-metal-compression-testing/


      Or else you can find it in the literature. 


       


      Regards,


      Wenlong


       

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