Variational discretization for optimal control problems governed by parabolic equations

Variational discretization for optimal control problems governed by parabolic equations
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抛物方程控制的最优控制问题的变分离散化

DOI:
10.1007/s11424-013-1166-x
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发表时间:
2013-04
影响因子:
2.1
通讯作者:
Nianyu Yi
Nianyu Yi
中科院分区:
数学3区
文献类型:
--
作者:
Yanping Chen;Tianliang Hou;Nianyu Yi

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本文考虑线性抛物型方程约束最优控制问题的变分离散化。用Raviart-Thomas混合有限元空间逼近状态和协状态,不离散容许控制空间,而隐式地利用协状态与控制之间的关系来离散控制.先验误差估计的状态,共状态,和控制。一些数值例子来证实理论研究。
This paper considers the variational discretization for the constrained optimal control problem governed by linear parabolic equations. The state and co-state are approximated by Raviart-Thomas mixed finite element spaces, and the authors do not discretize the space of admissible control but implicitly utilize the relation between co-state and control for the discretization of the control. A priori error estimates are derived for the state, the co-state, and the control. Some numerical examples are presented to confirm the theoretical investigations.
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