Sciact
  • EN
  • RU

Directional differentiability for shape optimization with variational inequalities as constraints Full article

Journal ESAIM: Control, Optimisation and Calculus of Variations
ISSN: 1292-8119
Output data Year: 2023, Volume: 29, Article number : 64, Pages count : 30 DOI: 10.1051/cocv/2023056
Tags OPTIMAL CONTROL, SHAPE OPTIMIZATION, VARIATIONAL INEQUALITY, PENALIZATION, LAGRANGE METHOD, LAVRENTIEV REGULARIZATION, FREE DISCONTINUITY, NON-PENETRATING CRACK
Authors Kovtunenko Victor Anatolʹevich 1,2 , Kunisch Karl 2
Affiliations
1 Lavrentyev Institute of Hydrodynamics
2 University of Graz

Funding (1)

1 Министерство науки и высшего образования Российской Федерации FWGG-2021-0010

Abstract: For equilibrium constrained optimization problems subject to nonlinear state equations, the property of directional differentiability with respect to a parameter is studied. An abstract class of parameter dependent shape optimization problems is investigated with penalty constraints linked to variational inequalities. Based on the Lagrange multiplier approach, on smooth penalties due to Lavrentiev regularization, and on adjoint operators, a shape derivative is obtained. The explicit formula provides a descent direction for the gradient algorithm identifying the shape of the breaking-line from a boundary measurement. A numerical example is presented for a nonlinear Poisson problem modeling Barenblatt’s surface energies and non-penetrating cracks.
Cite: Kovtunenko V.A. , Kunisch K.
Directional differentiability for shape optimization with variational inequalities as constraints
ESAIM: Control, Optimisation and Calculus of Variations. 2023. V.29. 64 :1-30. DOI: 10.1051/cocv/2023056 WOS Scopus РИНЦ OpenAlex
Dates:
Submitted: Jan 30, 2023
Accepted: Jul 19, 2023
Published print: Aug 8, 2023
Identifiers:
Web of science: WOS:001044087500001
Scopus: 2-s2.0-85168729629
Elibrary: 60776344
OpenAlex: W4384927682
Citing:
DB Citing
OpenAlex 3
Elibrary 2
Scopus 3
Web of science 2
Altmetrics: