Changing lattice size from 100x100 to 200x200, what changes to apply?

Hi all,
My question in simple, when i’m running a simulation on for example 100x100 grid and i want to change to 200x200 or 256x256 what changes should i apply? does deltax change? what value should i assign to deltax ?

Dear dhouha,

this question has been answered in one of your previous posts:,9887,9923#msg-9923

Please do not repost questions.