8. Settings

The settings of a FESTIM simulation are defined with a Settings object.

import festim as F

my_settings = F.Settings(
    atol=1e10,
    rtol=1e-10,
    transient=False,
)

Here you define:

• wether the simulation is transient or steady-state

• the final time of the simulation

• wether to run the simulation with conservation of chemical potential at interfaces (only useful for multi-materials)

• wether to turn the Soret effect on

• the absolute and relative tolerance of the Newton solver

• the maximum iterations of the Newton solver