Keyboard Simulation

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  • Last Post 11 July 2019
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fhsieh posted this 11 July 2019

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!

 

 

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peteroznewman posted this 11 July 2019

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

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