Abstract
A new kind of Universal Serendipity Element (USE)— the Tensor Universal Serendipity Element (TUSE) is constructed by using both tensor force finite elements and the basic idea of USE. The formulation of shape functions and their derivatives for TUSE is presented. TUSE can be used to study steady and unsteady transonic flow fields when combined with Taylor-Galerkin Finite Element Methods, the NND scheme in FDM, and four-stage Runge-Kutta methods. As numerical examples the transonic flow in cascades and one kind of complex unsteady transonic axisymmetric flow in engineering are studied. It is shown that the algorithm presented in this paper is efficient and robust.
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The project supported by the National Natural Science Foundation of China
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Gang, Z., Mengyu, S., Qiusheng, L. et al. Tensor Universal Serendipity Elements and unsteady Taylor-Galerkin finite element method. Acta Mech Sinica 12, 15–23 (1996). https://doi.org/10.1007/BF02486758
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DOI: https://doi.org/10.1007/BF02486758