Time-domain analysis of electromagnetic wave fields by boundary integral equation method |
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| Affiliation: | 1. School of Geophysics and Measurement-Control Technology, East China University of Technology, Nanchang 330013, China;2. School of Geosciences and Info-Physics, Central South University, Changsha 410083, China;3. Non-ferrous Resources and Geologic Disasters Prospecting Emphases Laboratory of Hunan, Changsha 410083, China;1. Central South University, Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Ministry of Education, Changsha, China;2. Southwest Petroleum University, School of Geoscience and Technology, Chendu, China;3. Guilin University of Technology, College of Earth Sciences, Guilin, China;4. Central South University, School of Geosciences and Info-Physics, Changsha, China |
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| Abstract: | Time-domain analysis of electromagnetic wave fields is popularly performed by the Finite Difference Time-Domain method. Then the Boundary Integral Equation Method (BEM) still has advantage comparing with FDM or FEM type scheme in open boundary problems, moving boundary problems and coupled problems of charge particle and electromagnetic fields. However, the time-domain boundary integral equation method still do not well developed, numerical instability in long time range calculations frequently appear except for special cases. In this paper, a stable scheme of the time-domain boundary integral equation method is presented and numerical example of particle accelerator wake fields is shown. |
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