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二维变系数抛物型方程的一个高阶ADI差分格式

A high accuracy ADI difference scheme for solving two-dimension variable coefficients parabolic equation
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摘要 针对二维变系数抛物型方程,构造出了一个高精度、恒稳定的交替方向隐式(ADI)差分格式,格式的截断误差阶达O(τ2+h4).通过数值实验,验证了理论分析的正确性和差分格式的精确性与有效性. A high accuracy alternation direction implicit scheme (ADI) for solving the two-dimensional parabolic equations is presented, and the scheme is absolutely stable and the truncation error is O(τ2+h4). The experiments show the scheme is effective and advantage, and the theory is right by a numerical example.
出处 《天津工业大学学报》 CAS 北大核心 2014年第1期77-80,84,共5页 Journal of Tiangong University
基金 国家自然科学基金(11071279) 河南省教育厅自然科学基础研究基金(2008B110016)
关键词 抛物型方程 ADI格式 截断误差 恒稳定 parabolic equation ADI difference scheme truncation error absolutely stable
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