Dear All, I have a quick question about the absolute and relative tolerance of Newton solver in FeniCS, does anybody know what is the default value for these two tolerances in FeniCS? Thanks!

Default absolute tolerance and relative tolerance

nate July 22, 2020, 1:20pm 2

2 Likes

Default parameters for NonLinearVariationalSolver

Topic		Replies	Views
Change the absolute and relative tolerance of newton solver General	4	113	July 9, 2024
Several quick questions about the tolerances in FEniCSX	1	648	November 2, 2021
Finite relative residuals for 0th Newton iteration in time-dependent problem dolfinx newton	8	221	April 21, 2025
RuntimeError: Newton solver did not converge because maximum number of iterations reached Errors	1	2301	April 20, 2022
Poisson solution reaches minimum residual after 1 iteration, then increases	2	579	May 25, 2020