A local discontinuous Galerkin method for 1.5-dimensional streamer discharge simulations

A local discontinuous Galerkin method for 1.5-dimensional streamer discharge simulations
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1.5维流光放电模拟的局部间断伽辽金法

DOI:
10.1016/j.amc.2013.03.118
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发表时间:
2009-12
影响因子:
4
通讯作者:
Zeng Rong
Zeng Rong
中科院分区:
数学2区
文献类型:
--
作者:
Zhuang Chijie;Zeng Rong

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流光放电在理论和工业应用中都具有重要意义。本文提出了一种局部间断Galerkin方法来模拟流注放电的对流占优流体模型。为了模拟快速瞬变流注放电过程,迫切需要一种高分辨率、高精度的方法。结合有限体积法和有限元法的优点,局部间断伽辽金法就是这样一种选择。本文采用1.5维流体模型对氮气中的双头流光放电进行了数值模拟。初步结果表明,该方法扩展到一般的流光模拟在复杂的几何形状的潜力。
Streamer discharges are important both in theory and industry applications. This paper proposed a local discontinuous Galerkin method to simulate the convection dominated fluid model of streamer discharges. To simulate the rapid transient streamer discharge process, a method with high resolution and high order accuracy is highly desired. Combining the advantages of finite volume and finite element method, local discontinuous Galerkin method is such a choice. In this paper, a simulation of a double-headed streamer discharge in nitrogen was performed by using 1.5-dimensional fluid model. The preliminary results indicate the potential of extending the method to general streamer simulations in complex geometries.
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