General Mechanical

General Mechanical

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Pull-in & release analysis

    • sach23


      I want to simulate pull-in and release behaviour of an electrostatic actuator using TRANS126 element. Since TRANS126 works only with nodal coordinate system, therefore, it is dependent on the no. of nodes/mesh density.  Also, the electrostatic force and capacitance depend upon the no. of elements which will always be relative to the mesh density. 

      I have performed this analysis and extracted the nodal force and capacitance data which is relative to the mesh density. Not to mention, the pull-in voltage is also relative to mesh density.

      My question is, how to find a perfect balance between mesh density and Pull-in voltage/electrostatic force and capacitance data. 

      A circular plate with 30um thickness is used as the geometry.

      Please find attached the solve.out file.

      I am using workbench 19.0

    • Aniket
      Ansys Employee

      I am not an expert in this area, but just so you know, ANSYS employees are not allowed to download anything from the student portal, so your best bet for getting a response from ANSYS staff is to include your attachment as an inline image or texts. Otherwise, you can wait for other members (who can download the attachments).


      Guidelines on the Student Community

      How to access ANSYS help links

    • peteroznewman

      I will add that the contents of the solve.out text file will not help us to answer your question.

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