How to make an element represent a grain?

[louis96108]

Hi everyone，
I've got a polycrystalline model with a grain shape like a cube, how do I mesh it so that one element corresponds to one grain?

Thanks a lot for your reply.

Sincerely,
Louis

[Abaqus-Voronoi-toolbox]

I have used it in my paper: Zhou, S., Ben Bettaieb, M., Abed-Meraim, F., 2024b. Investigation of the effect of morphological and crystallographic textures on the ductility limits of thin metal sheets using a CPFEM-based approach. European Journal of Mechanics - A/Solids 106. doi:https://doi.org/10.1016/j.euromechsol.2024.105293.

you can use the following commands:
neper -T -n "from_morpho" -morpho "cube(5,5,5)" -domain "cube(1,1,1)" -o xxx
neper -M xxx.tess -elttype hex -rcl 5

[rquey]

I'd recommend using -cl instead of -rcl:

neper -T -n from_morpho -morpho "cube(5)" -o xxx
neper -M xxx.tess -elttype hex -cl 1/5