[Pw_forum] convergence test for supercell

[Jaret Qi]

hello,When I make a convergence tests for a unit cell ( lattice parameter, ecutwfc, and k-points), then built a supercell out of the unit cell. in that case do i need to do convergence tests for lattice vector and ecutwfc beside reducing the k points along the periodic direction?
Regards,Jaret
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