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Element free Galerkin method to solve heat equation
Author(s): KONG Qian, LI Peng
Pages: 47-
49,59
Year: 2011
Issue:
z2
Journal: Journal of Computer Applications
Abstract: 为了更好地数值模拟热传导方程,将无网格Galerkin( EFG)方法引入热传导问题的求解中,时间导数采用θ加权方法离散,同时与有限元(FE)方法的数值结果进行了比较,并研究了EFG方法中若干参数的选取对数值结果的影响.计算结果表明:相对于有限元方法,EFG方法能更好地吻合微分方程的解析解,EFG方法在节点布置较稀疏时,也可以获得很高的计算精度;θ≥1/2,EFG方法无条件稳定,且θ=1时数值解精...
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