Highly nonlinear problems are difficult and require a lot of care and “coaxing” to get a reasonable approximation of a solution. Assuming your residual and Jacobian are well formed with no singularities, consider these tips and tricks.
Related topics
Topic | Replies | Views | Activity | |
---|---|---|---|---|
Unable to raise some Functions to non-integer powers
|
4 | 1349 | June 17, 2021 | |
How to handle with non-linear term with power less than 1? | 2 | 157 | February 18, 2024 | |
Square Root and Natural Logarithm not Working | 2 | 1279 | May 27, 2021 | |
UFL expression with noninteger powers | 10 | 1034 | November 17, 2021 | |
Nonlinear Variational Problem not iterating
|
5 | 873 | May 29, 2020 |