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5.5.5.2. Resource Usage

As with other solution types, the computer resource requirements are a strong function of the problem. As compared to other solvers, MS3p generally takes less time on a given mesh than would a frequency-domain solver, but more time than is needed for an electrostatic run because of the non-linear materials commonly used in magnetostatics. On a given problem, solution time is affected by the choice of linear solver, and also the tolerances that were chosen. The default linear solver is the conjugate gradient iterative method, and this is generally the most efficient solver for magnetostatics. For an iterative linear solver the solution time will generally increase as the Convergence Tolerance is reduced. The Nonlinear Convergence Tolerance, which is used to determine when the material permeability values are sufficiently converged, also strongly affects the solution times, with smaller values generally increasing the solve time.

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