The Pcg Solver Has Automatically Set The Level Of Difficulty For This Model To 2

Think of your simulation as a landscape. The solver is trying to find the lowest point in that landscape (the solution).

This message indicates that the software’s internal heuristics have evaluated the numerical stability (conditioning) of your model's stiffness matrix and determined that a "Level 2" preconditioning strategy is the most efficient way to achieve convergence. What is the PCG Solver? Think of your simulation as a landscape