| 二维三温辐射流体力学拉氏计算中的子网格压力方法 |
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| 引用本文： | 戴自换,邬吉明,林忠,符尚武.二维三温辐射流体力学拉氏计算中的子网格压力方法[J].计算物理,2010,27(3). |
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| 作者姓名： | 戴自换 邬吉明 林忠 符尚武 |
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| 作者单位： | 北京应用物理与计算数学研究所,计算物理实验室,北京,100088 |
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| 基金项目： | 国家自然科学基金(10571017,10671024,10871030);;计算物理国防科技重点实验室基金;;国防基础科研项目(A152007074)资助项目 |
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| 摘 要： | 研究对应于电子压、离子压、光子压的扰动隅角力的计算方法,提出二维三温辐射流体力学拉氏计算中的两种子网格压力方法,即基于状态方程和基于几何的方法.数值试验表明,这两种方法均能很好地抑制二维三温辐射流体力学拉氏计算中出现的网格非物理畸变.
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| 关 键 词： | 二维三温辐射流体力学 子网格压力方法 扰动隅角力 |
Subzonal Pressure Methods in Lagrangian Algorithm of Two-dimensional Three-temperature Radiation Hydrodynamics |
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| DAI Zihuan,WU Jiming,LIN Zhong,FU Shangwu.Subzonal Pressure Methods in Lagrangian Algorithm of Two-dimensional Three-temperature Radiation Hydrodynamics[J].Chinese Journal of Computational Physics,2010,27(3). |
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| Authors: | DAI Zihuan WU Jiming LIN Zhong FU Shangwu |
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| Institution: | Laboratory of Computational Physics/a>;Institute of Applied Physics and Computational Mathematics/a>;Beijing 100088/a>;China |
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| Abstract: | Computing methods for perturbation corner forces in electron pressure,ion pressure and photon pressure are investigated.We propose two kinds of subzonal pressure method for Lagrangian algorithm of two-dimensional three-temperature radiation hydrodynamics.Numerical tests show that both methods work well in eliminating unphysical deformation of Lagrangian mesh. |
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| Keywords: | two-dimensional three-temperature radiation hydrodynamics subzonal pressures method perturbation corner force |
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