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Problem of indentation with axisymmetry

Problem of indentation with axisymmetry

Problem of indentation with axisymmetry

(OP)
Dear all,

I am doing a simulation of nanoindentation.  I have setup a axisymmetry model in which a indenter press onto a specimen with displacement.  I have couple nodes so that I can obtain the reaction force.  However, while I compare the data with Hertzian analysis, I found that they are not agree with each other (I have multiple the reaction force from ansys with two pi to get the total reaction as it is a axisymmetry model).  I really don't know what I have done wrong with it.  Is there anything I have done wrong?  

Hope anyone can help me out.
Thank you very much!!!

Jeff

RE: Problem of indentation with axisymmetry

Hello,
Did you make sure of the units? Did you go through the verification manual (VM 63) where they have a classic hertz example. Maybe that might help?
harry

RE: Problem of indentation with axisymmetry

(OP)
harry,

I have found that there is no need to mulitple the value with 2 pi as the reaction force i have got is the total one.  Thank you very much for you help.

Jeff

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