研究目的
To analyze transient electromagnetic interactions on conductive dielectric scatterers by solving the PMCHWT surface integral equation with a marching on-in-time (MOT) scheme, allowing for scatterers with multiple volumes of different conductivity.
研究成果
The proposed MOT-PMCHWT solver allows for the analysis of scatterers with multiple volumes of different conductivity with almost no increase in computational cost. Its accuracy and applicability are demonstrated through numerical examples. Future work includes extending the solver to more general dispersive dielectric scatterers.
研究不足
The study focuses on conductive dielectric scatterers and does not address more general dispersive dielectric scatterers, which is mentioned as future work.
1：Experimental Design and Method Selection:
The study employs a marching on-in-time (MOT) scheme to solve the time-domain PMCHWT surface integral equation for analyzing transient scattering from conductive dielectric scatterers.
2：Sample Selection and Data Sources:
Numerical examples are used to demonstrate the accuracy and applicability of the MOT-PMCHWT solver.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned.
4：Experimental Procedures and Operational Workflow:
The method involves discretizing the time-domain PMCHWT SIE using RWG functions in space and shifted Lagrange interpolation functions in time, followed by solving the resulting system of equations using the MOT scheme.
5：Data Analysis Methods:
The accuracy of the solver is validated by comparing radar cross section (RCS) results obtained from the MOT solution with those from Mie series and frequency-domain volume integral equation (FD-VIE) solutions.
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