solid mechanics weird results

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I am simulating a piezoelectric device. I am experiencing difficulty in understanding the stress result of the structure. The bottom layer has zero displacement boundary condition, however I see a bulge as seen in the image on the bottom layer. Could anyone help me understand what it is?


0 Replies Last Post 2019年7月15日 GMT-4 上午7:14
COMSOL Moderator

Hello Aashish Sah

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