General Mechanical

General Mechanical

Keyboard Simulation

    • fhsieh
      Subscriber

      Hello, 


      I'm trying to simulate keyboard motion and produce a displacement and force graph that matches experimental data. See picture. There's a rubber dome under the keycap and I'm not sure what material properties are needed to simulate that. (beyond Young's modulus, poisson's ratio, density). There's a fixed support at the bottom frame, and I inserted displacement on the keycap. I produced total deformation and force reaction. What did i do wrong and where can I improve to increase accuracy. Thanks a lot!


       


       

    • peteroznewman
      Subscriber

      You may benefit by using a Hyperelastic material property instead of a linear elastic material.

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