Finite element approach to linear parabolic pointwise control problems of incomplete data

Sihem Mahoui, Mohamed Said Moulay and Abdennebi Omrane

International Journal of Systems Science, 2020, vol. 51, issue 14, 2597-2609

Abstract: In this paper we give a priori error estimates for finite element approximations of linear parabolic problems with pointwise control and incomplete data. We discretise the optimal control problem by using piecewise linear and continuous finite elements for the space discretisation of the state, and we use the backward Euler scheme for time discretisation. We prove a priori error estimates for the state, the adjoint-state as well as for the low-regret pointwise optimal control.

Date: 2020
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DOI: 10.1080/00207721.2020.1799107

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