一种求解二维热传导方程的高效算法--ETF-FD-MG 方法

来源 :北京科技大学学报 | 被引量 : 0次 | 上传用户：z58119366

【摘要】

：

针对二维热传导问题,提出了时间为三阶、空间为二阶的无条件稳定的ETF-FD-MG算法 (Extended Trapezoidal Formula Finite Difference Scheme Multigrid),分析了其精度和稳定

【作者】

：

段雅丽张晓丹

【机构】

：

北京科技大学应用科学学院

【出处】

：

北京科技大学学报

【发表日期】

：

2004年期

【关键词】

：

二维热传导方程 ETF-FDS-MG 有限元-多重网格

【基金项目】

：

国家自然科学基金;

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针对二维热传导问题,提出了时间为三阶、空间为二阶的无条件稳定的ETF-FD-MG算法 (Extended Trapezoidal Formula Finite Difference Scheme Multigrid),分析了其精度和稳定性,证明了其收敛性.数值分析实例说明ETF-FD-MG算法的计算效率优于前人的FE-MG(有限元-多重网格)算法.

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一种求解二维热传导方程的高效算法--ETF-FD-MG 方法

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