An h-adaptive Time Domain Discontinuous Galerkin Method for Electromagnetics

被引：0
|
作者：
Abedi, Reza [1 ]
Mudaliar, Saba [2 ]
机构：
[1] UTSI, Dept Mech Aerosp & Biomed Engn, Tullahoma, TN 37355 USA
[2] Air Force Res Lab, Sensors Directorate, Dayton, OH 45433 USA
来源：
2017 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING | 2017年
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present an h-adaptive time domain discontinuous Galerkin (TDDG) method for electromagnetics problem in which space and time are directly discretized by unstructured grids that satisfy a specific causality constraint. This enables a local and asynchronous solution procedure with arbitrary high and per element spacetime orders of elements. Our numerical results demonstrate that by using energy dissipation as an error indicator and local adaptive operations in spacetime we can significantly improve the efficiency of the method relative to nonadaptive solutions.
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页码：1795 / 1796
页数：2
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