论文标题
用于声学振动问题的后验虚拟元素方法
A posteriori virtual element method for the acoustic vibration problem
论文作者
论文摘要
在二维中,我们根据$ \ h(÷; emaph;ω)$中的虚拟元素方法提出并分析了声学问题的A后验误差估计器。引入一个未知的辅助,我们使用了这样一个事实,即声学问题的原始表述等效于混合配方,以证明是超级范围的结果,这是鄙视高级术语所必需的。在虚拟元素方法下,我们证明我们的本地指标在$^2 $ norm中是可靠的,并且在全球范围内有效。我们提供数值结果来评估所提出的误差估计器的性能。
In two dimensions, we propose and analyze an a posteriori error estimator for the acoustic spectral problem based on the virtual element method in $\H(÷;Ω)$. Introducing an auxiliary unknown, we use the fact that the primal formulation of the acoustic problem is equivalent to a mixed formulation, in order to prove a superconvergence result, necessary to despise high order terms. Under the virtual element approach, we prove that our local indicator is reliable and globally efficient in the $Ł^2$-norm. We provide numerical results to assess the performance of the proposed error estimator.