Solvers

The solvers below the nodal one, the linear backends, and state-space extraction.

The MNA solver is the default and the one almost every simulation uses; a component’s side of it is under interfacing with the MNA solver. The remaining pages cover the powerflow solver, the alternatives to nodal analysis, the linear algebra backends, and the state-space model that can be recovered from a running simulation.

The methods themselves are derived under alternative solution methods.


The MNA Solver

The default solver: how it assembles, factorises and steps the system.

Power Flow Solvers

The Newton-Raphson implementations DPsim ships and how they are configured.

Alternative Solver Implementation

The DAE, ODE and diakoptics solvers, and how the linear backend under MNA is chosen.

State-Space Extraction

Enabling extraction, and running modal analysis on what it produces.