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Rui Yuan

Why are there only three components in the stress tensor?

I try to simulation nickel under stress by changing the input cell geometry. However, in the data section of the final result, under “—- Final stress —-”, there are only thee numbers for the stress tensor (in the unit of kbar). There should be 3 x3 = 9 numbers in the stress tensor, as shown when I simulated aluminum. However, there are only three numbers in the stress tensor for nickel. How is that even possible? What could possibly be wrong?

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    Benjamin P Haley

    Hi,



       Sorry for the long delay.  What simulation did you use?  Do you have the input files or the input parameters?

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