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getting higher maximum load in 2D modeling of indentation compare to 3D!

getting higher maximum load in 2D modeling of indentation compare to 3D!

getting higher maximum load in 2D modeling of indentation compare to 3D!

(OP)
Hello, everyone!
I am modeling nanoindentation in 2D and 3D. My 3D model works fine and gives the right answers base on the experiments (I am modeling two materials one with E=300 Y=7 GPa and the other with E=400 and y= 37). However, the 2D model with the same mesh size, element, and partitions, but modeled in axisymmetric, gives me a higher maximum load in the load-displacement diagram for the "second material". Would you please help me with the problem?
Thank you so much in advance.

RE: getting higher maximum load in 2D modeling of indentation compare to 3D!

Reproduce the issue on an simple example and attach the two models.

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