首页> 外文会议>German annual conference on acoustics;International conference on acoustics;NAG/DAGA 2009 >Computational Acoustics based on Conservation Equations using Taylor Hood Finite Elements
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Computational Acoustics based on Conservation Equations using Taylor Hood Finite Elements

机译:基于使用泰勒胡德有限元的守恒方程的计算声学

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摘要

We have demonstrated the applicability of Taylor-Hood elements for the stable discretization of the acoustic conservation equations. Therewith, we have shown their convergence behavior towards h-FEM (reducing the mesh size) and p-FEM (increasing the order of the FE basis functions). The results are quite comparable to the convergence behavior of standard finite elements solving the wave equation. In addition, we have shown first results of the applied Taylor-Hood elements, when we solve the extended conservation equations including convection due to some fluid flow within the propagation region.
机译:我们已经证明了Taylor-Hood元素对于声守恒方程稳定离散化的适用性。从而,我们显示了它们对h-FEM(减小网格大小)和p-FEM(增加FE基函数的阶数)的收敛行为。结果与求解波动方程的标准有限元的收敛行为相当。此外,当我们求解扩展的守恒方程(包括由于传播区域内的某些流体引起的对流)时,我们已经展示了应用的泰勒-霍德元素的初结果。

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