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Nodal Integration Element-free Galerkin Method with Upwind Shifted Integration Nodes
WANG Xiaodong, OUYANG Jie, WANG Yulong, JIANG Tao
CHINESE JOURNAL OF COMPUTATIONAL PHYSICS    2012, 29 (2): 183-190.  
Abstract289)      PDF (5434KB)(1233)      
A stable and efficient element-free Galerkin method is proposed for steady convection-diffusion problems.In the method integrations are computed with a local Taylor expansion nodal integral technique.According to convection-dominated degree,integration nodes are adaptively shifted opposite to the streamline direction.Compared with conventional element-free Galerkin method with stabilization,the method exhibits better stability and higher efficiency in solving convection-dominated convection-diffusion problems.It is a pure meshfree method,which is independent of background integral.Moreover,the method is easy to be implemented.
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