Adaptive Finite Element Approximation for a Constrained Optimal Control Problem via Multi-meshes

Adaptive Finite Element Approximation for a Constrained Optimal Control Problem via Multi-meshes
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DOI:
10.1007/s10915-009-9296-y
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发表时间:
2009-11
影响因子:
2.5
通讯作者:
L. Ge;Wenbin Liu;Danping Yang
L. Ge;Wenbin Liu;Danping Yang
中科院分区:
数学2区
文献类型:
--
作者:
L. Ge;Wenbin Liu;Danping Yang

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本文研究一类约束最优控制问题的自适应有限元逼近格式。我们导出了状态近似和控制近似的等价后验误差估计器,它特别适用于自适应多网格有限元格式。然后对误差估计器进行了实现和测试,得到了令人满意的数值结果。
In this paper, we study adaptive finite element approximation schemes for a constrained optimal control problem. We derive the equivalent a posteriori error estimators for both the state and the control approximation, which particularly suit an adaptive multi-mesh finite element scheme. The error estimators are then implemented and tested with promising numerical results.