Comments (1)
Hi Feiyu,
Those are very good points.
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We needed the isotropic shear modulus and Poisson's ratio for backstress calculations and we did this only for cubic materials. It needs to be modified hexagonal materials as you suggested, for example by assuming random distribution of orientations.
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Yes, it is possible to do elastic simulations, simply turn off slip law by setting slipmodel=0 and hardeningmodel=0 as well.
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UMAT should have strain energy as output. Since all the strains will be elastic in your case, you may look at the total strain energy.
Hope this helps,
Eralp
from crystalplasticity.
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from crystalplasticity.