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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Input periodic boundary conditions in a unit cell › Reply To: Input periodic boundary conditions in a unit cell

April 9, 2024 at 4:36 am
mjmiddle
Ansys Employee

My apologies, the linear periodic is only supported in one direction. Refer to post:

/forum/forums/topic/linear-periodic-bcs-in-both-x-and-z-directions-causing-meshing-error/

You can try using a frictionless support on the boundaries of the other direction. This sets up essentially the same constraints as a mirror condition in a structural analysis. A mirror condition is not the same as linear periodic but it may suffice depending on the loading.

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