{"title":"Three-Dimensional Calculations of Electrical Parameters in Flux Compression Systems","authors":"C. D. Sijoy, Shashank Chaturvedi","doi":"10.1109/MEGAGUSS.2006.4530706","DOIUrl":null,"url":null,"abstract":"The Finite Difference Time Domain (FDTD) method, adapted for magnetic field diffusion problems, has been applied for accurate calculation of the resistance and inductance of arbitrarily-wound helical coils of interest in flux-compression systems. These simulations have been performed using a locally-developed three-dimensional variable-mesh FDTD code that has been parallelized along three directions. The resistance calculations automatically take account of skin and proximity effects. The simulations also yield a detailed 3-D picture of magnetic field diffusion through a complex, multi-material coil in the presence of arbitrary time-dependent current waveforms. Hence they can provide critical insight into coil performance in real-life systems. We report on the critical issues that must be kept in mind for such simulations and the results of test problems with simple coil geometries.","PeriodicalId":338246,"journal":{"name":"2006 IEEE International Conference on Megagauss Magnetic Field Generation and Related Topics","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 IEEE International Conference on Megagauss Magnetic Field Generation and Related Topics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MEGAGUSS.2006.4530706","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
The Finite Difference Time Domain (FDTD) method, adapted for magnetic field diffusion problems, has been applied for accurate calculation of the resistance and inductance of arbitrarily-wound helical coils of interest in flux-compression systems. These simulations have been performed using a locally-developed three-dimensional variable-mesh FDTD code that has been parallelized along three directions. The resistance calculations automatically take account of skin and proximity effects. The simulations also yield a detailed 3-D picture of magnetic field diffusion through a complex, multi-material coil in the presence of arbitrary time-dependent current waveforms. Hence they can provide critical insight into coil performance in real-life systems. We report on the critical issues that must be kept in mind for such simulations and the results of test problems with simple coil geometries.
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