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Multiphysics modeling and simulation have a wide range of application in science and engineering. This paper discusses some challenges for computational electromagnetics in the modeling and simulation of multiphysics problems that involve the interaction between electromagnetic fields and other physical phenomena.
This paper presents a flexible time-stepping scheme for the time-domain finite element method (TDFEM) based hybrid field-circuit solver that allows subsystems of different sampling rates to be coupled in time. Because of this flexibility, the proposed time-stepping scheme could significantly improve the computational efficiency of the existing TDFEM-based hybrid field-circuit solver especially when...
This paper presents a hybrid field-circuit solver based on the hybridization of the time-domain finite element method and a SPICE-like lumped circuit simulation. Advanced features of the proposed hybrid solver include incorporation of multiport lumped networks, application of the tree-cotree splitting technique, and introduction of a flexible time-marching scheme.
This paper describes a flexible time-stepping scheme for a recently developed hybrid field-circuit solver based on the extended time-domain finite element method (TDFEM) to alleviate the limitation on the use of a system-wide global time-step size. The proposed time-stepping scheme generalizes the strict synchronous coupling mechanism between the FEM and circuit subsystems and allows the signals in...
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