General Mechanical

General Mechanical

Difficult to apply Symmetric Boundary Conditions on Mechanical APDL 18.2

    • rra23
      Subscriber

      Hello,


      I'm a new ANSYS user and I am getting some problem to replicate the tutorial below: 


       https://confluence.cornell.edu/display/SIMULATION/ANSYS+-+Semi-monocoque+Shell


      Could someone give me some advice about it? I mean, I'm trying to replicate this tutorial and the results are not matching.


      - Could it be because of the element type I choose (SHELL281)?


      - Is it necessary to apply something else on the boundary coundition beyond the symmetric?


      - To apply the thickness are this, the commands: Main Menu --> Preprocessor --> Sections --> Shell --> Lay-up --> Add/edit --> And use section offset top-plane to the plate and midplane to the stiffener?


      Any advice about it is welcome!

    • peteroznewman
      Subscriber

      Welcome new ANSYS user.


      Is there a reason you are learning Mechanical APDL user interface, which is  more than 20 years old and not the Workbench user interface which was created closer to 10 years ago? 


      My advice is to learn the Workbench interface first. You will get to model realistic geometry more easily in Workbench, especially if you have CAD skills.  Do you have a CAD program you are good at?  If not, you can start learning SpaceClaim, which is included in Workbench.

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