华侨大学 数学科学学院, 福建 泉州 362021
付钰(2004—),女,本科生,从事偏微分方程数值计算的研究,E-mail: 2285012727@qq.com.
翁智峰(1985—),男,博士,副教授,主要从事偏微分方程数值计算的研究,E-mail: zfwmath@163.com.
收稿:2025-10-11,
修回:2025-12-29,
录用:2025-12-30,
纸质出版:2026-01-25
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付钰,高天,胡玉蝶,翁智峰. 耦合Burgers方程的高精度格式[J]. 新疆大学学报(自然科学版中英文),2026,43(1):27-37.
Fu Yu,Gao Tian,Hu Yudie,Weng Zhifeng. The High-Precision Scheme for the Coupled Burgers Equation[J]. Journal of Xinjiang University(Natural Science Edition in Chinese and English),2026,43(1):27-37.
付钰,高天,胡玉蝶,翁智峰. 耦合Burgers方程的高精度格式[J]. 新疆大学学报(自然科学版中英文),2026,43(1):27-37. DOI: 10.13568/j.cnki.651094.651316.2025.10.11.0001.
Fu Yu,Gao Tian,Hu Yudie,Weng Zhifeng. The High-Precision Scheme for the Coupled Burgers Equation[J]. Journal of Xinjiang University(Natural Science Edition in Chinese and English),2026,43(1):27-37. DOI: 10.13568/j.cnki.651094.651316.2025.10.11.0001.
本文采用有限差分-重心插值配点法求解非线性耦合Burgers方程.对于耦合Burgers方程,首先通过直接线性化迭代方法将其转化为线性迭代方程.然后使用重心插值配点法离散空间,采用Crank-Nicolson差分格式离散时间,得到对应的线性代数方程组,并进一步推导得到空间半离散格式和全离散格式的相容性分析.最后利用数值算例验证了格式的高精度与有效性.
This paper proposes the finite difference-barycentric interpolation collocation scheme for the nonlinearly coupled Burgers equation. For the coupled Burgers equation
it is firstly transformed into a linear equations via the direct linearization iteration. The spatial direction is discretized by the barycentric interpolation collocation method
and the time direction is discretized by the Crank-Nicolson scheme. The corresponding linear algebraic equations are derived. The consistency analysis is provided for the semi-discrete scheme in space and the fully discrete scheme. Numerical experiments verify the high precision and efficiency of our scheme.
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