PyPHS: A Python software (Py) dedicated to the simulation of multi-physical Port-Hamiltonian Systems (PHS) described by graph structures. The PHS formalism decomposes network systems into conservative parts, dissipative parts and source parts, which are combined according to an energy conserving interconnection. This approach permits to formulate the dynamics of multi-physical systems as a set of differential-algebraic equations structured according to energy flows. This structure proves the passivity of the system, including the nonlinear cases. Moreover, it guarantees the stability of the numerical simulations for an adapted structure preserving numerical method.
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References in zbMATH (referenced in 1 article )
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- Pfeifer, Martin; Caspart, Sven; Hampel, Silja; Muller, Charles; Krebs, Stefan; Hohmann, Sören: Explicit port-Hamiltonian formulation of multi-bond graphs for an automated model generation (2020)