A high-order accurate FDTD scheme for Maxwell's equations on overset grids

A high-order accurate FDTD scheme for Maxwell's equations on overset grids
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DOI：
10.23919/ropaces.2018.8364255
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发表时间：
2018-03
期刊：
2018 International Applied Computational Electromagnetics Society Symposium (ACES)
影响因子：
--
通讯作者：
Jordan B. Angel;J. Banks;W. Henshaw
Jordan B. Angel;J. Banks;W. Henshaw
中科院分区：
其他
文献类型：
--
作者：
Jordan B. Angel;J. Banks;W. Henshaw

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An efficient and high-order accurate finite-difference time-domain (FDTD) scheme for solving Maxwell's equations on overset grids is described. Structured curvilinear boundary-fitted grids are used to accurately represent curved surfaces. These overlap with background Cartesian grids. Maxwell's equations for the electric field in second-order form are solved. Use of novel upwind schemes for the second-order form lead to stable discretization on non-orthogonal and overset grids. Use of structured and Cartesian grids together with high-order accurate approximations leads to a very efficient approach.