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math.NA2026
Efficient computation of eddy-currents for nonlinear magnetic field problems
Herbert Egger, Nepomuk Krenn, Andreas Schafelner
Estimation of eddy-current losses in conducting non-laminated components of electrical devices requires expensive three-dimensional simulations. Various approximations are therefor…
math.NA2026
Reduced Basis Method for Simulating Thermal Transients in Electric Machines
Herbert Egger, Eva-Maria Haslhofer
Reduced Basis (RB) methods provide low-dimensional approximations of parametrized partial differential equations with controllable accuracy. We discuss the construction of RB appro…
math.NA2026
A semi-smooth Newton method for efficient evaluation of the inverse hysteresis operator
Herbert Egger, Felix Engertsberger
We study the numerical evaluation of an energy-based vector hysteresis model and its incorporation into finite element simulations based on a vector potential formulation. The inhe…