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I am wondering if there is a way to get the relationship between strain and stress in spherical coordinates with Poisson's ratio. I read the documentation here:

https://reference.wolfram.com/applications/structural/GoverningEquationsofElasticity.html

but there is only the relationship between strain and stress in spherical coordinates with Lamè's coefficients.

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    $\begingroup$ See the function ConvertCoefficients in section 7.2.6 "Elasticity Coefficients" in the source you gave... $\endgroup$ – Henrik Schumacher May 26 '18 at 9:34
  • $\begingroup$ Thank you @HenrikSchumacher $\endgroup$ – Gennaro Arguzzi May 26 '18 at 15:09

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