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Periodic BC vs symmetric BC

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rounakmehta

Mechanical
Joined
Jun 2, 2014
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7
Location
US
Hi,

I have to simulate a forging process where the die has a sinusoidal profile given by z = sin(x)*sin(y) and has around 30 wavelengths(picture attached). I plan to do it by modeling one wavelength as modeling the entire (or quarter) die would be very tedious. I have attached the picture of the unit cell that I will model. I am confused whether I need to apply symmetric boundary conditions or periodic boundary conditions. Which would be the right way of doing it?
 
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