Hero support several iterative matrix solution methods and preconditioners. Here is a simple guide to help your selection. As additional experience is gained with these solvers, this table will be updated.
| Method | Comments |
|---|
| Method | Comments |
| CG | Usually works great for simple heat transfer without pore pressure. Can have problems with contact. |
| CGS |
|
| BiCG | Recommended with contact |
| BiCGStab |
|
| IR | not recommended |
| GMRES |
|
| Preconditioner | Comments |
|---|
| Diagonal | Recommended for all models expect contact |
| ILU | Recommended with contact |
| LU | Works with contact |
| ICC |
|
| Cholesky |
|
| None |
|
|
|
