Assuming your problem is well posed, the physics is reasonable and your code is correct, then welcome to the joys of nonlinear problems. Even if the theory is trivial, getting it to work can be a nightmare. Here are some tips.
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
|
Newtonsolver does not converge - Hyperelasticity
|
5 | 1038 | May 2, 2020 | |
| Non-convergence issue in the Newton solver while solving the hydrogen diffusion equation in a phase-field model for hydrogen-assisted cracking under tensile loading | 2 | 68 | February 14, 2025 | |
|
1D nonlinear solver does not converge
|
0 | 484 | August 25, 2020 | |
| Divegence problem in nonlinear solver | 2 | 460 | September 21, 2022 | |
|
Hyperelasticity problem - mesh convergence issue
|
6 | 873 | June 10, 2020 |