2018•2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama)Requires access
Theory of Potential-Based Integral-Form A-ϕ Formulation in Electromagnetic Applications
Qin S. Liu, Li Jun Jiang, Sheng Sun, Qi I. Dai, Weng Cho Chew
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Abstract
Recent progress on the theory of potential-based A-φ formulationin the integral form and its electromagnetic applications are summarized and presented here. By using Lorenz gauge and solving the vector and scalar potential formulations in tandem, the A-φ formulationac-curately captures the correct physics of both electrostatics and magnetostatics. The wide-band stable, dense-discretization breakdown free and structure-independent solver provides an alternative solution to various electromagnetic scattering and circuital problems. Also, the A-φformulationis applied to solve the characteristic modes at low frequencies.