Zobrazeno 1 - 10 of 21 pro vyhledávání: '"Abdellatif Ellabib"'
1
Akademický článek
An Efficient Numerical Scheme Based on Radial Basis Functions and a Hybrid Quasi-Newton Method for a Nonlinear Shape Optimization Problem
Autor: Youness El Yazidi, Abdellatif Ellabib
Publikováno v: Mathematical and Computational Applications, Vol 27, Iss 4, p 67 (2022)
The purpose of this work is to construct a robust numerical scheme for a class of nonlinear free boundary identification problems. First, a shape optimization problem is constructed based on a least square functional. Schauder’s fixed point theorem
Externí odkaz: https://doaj.org/article/2f3bcc613f894242b42e788623a7de94
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2
Akademický článek
SOURCE TERM IDENTIFICATION WITH DISCONTINUOUS DUAL RECIPROCITY APPROXIMATION AND QUASI-NEWTON METHOD FROM BOUNDARY OBSERVATIONS.
Autor: Abdessamad, El Madkouri1 abdessamad.elmadkouri@edu.uca.ma, Abdellatif, Ellabib1 a.ellabib@uca.ac.ma
Publikováno v: Journal of Computational Mathematics. 2021, Vol. 39 Issue 3, p311-332. 22p.
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3
On the stabilization of singular identification problem of an unknown discontinuous diffusion parameter in elliptic equation
Autor: Abdellatif Ellabib, Youssef Ouakrim, Youness El Yazidi
Publikováno v: Computers & Mathematics with Applications. 97:267-285
In this paper, the inverse problem of the determination of an unknown discontinuous parameter in elliptic equations is considered. A constrained optimization problem is formulated using the TV regularization and a specified selection term, in order t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0576477b1f6e164dd0ca6d4f02b7be81
https://doi.org/10.1016/j.camwa.2021.06.006
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4
An iterative method for optimal control of bilateral free boundaries problem
Autor: Youness El Yazidi, Abdellatif Ellabib
Publikováno v: Mathematical Methods in the Applied Sciences. 44:11664-11683
The aim of this paper is to construct a numerical scheme for solving a class of bilateral free boundaries problem. First, using a shape functional and some regularization terms, an optimal control problem is formulated, in addition, we prove its solu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2ceceac0bfc40d57647ca81b90d1b70
https://doi.org/10.1002/mma.7527
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5
Augmented Lagrangian approach for a bilateral free boundary problem
Autor: Youness El Yazidi, Abdellatif Ellabib
Publikováno v: Journal of Applied Mathematics and Computing. 67:69-88
In this work, a class of bilateral free boundary problem is considered. This identification problem is formulated as a shape optimization problem via the definition of a cost functional. The existence of an optimal solution for the optimization probl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e99f25f34b8f57c4b993e9e02ddc4bf5
https://doi.org/10.1007/s12190-020-01472-y
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6
Mathematical analysis and simulation of fixed point formulation of Cauchy problem in linear elasticity
Autor: Abdessamad Ousaadane, Abdeljalil Nachaoui, Abdellatif Ellabib
Publikováno v: Mathematics and Computers in Simulation
Mathematics and Computers in Simulation, Elsevier, 2021, 187, pp.231-247. ⟨10.1016/j.matcom.2021.02.020⟩
International audience; In this work, an inverse problem in linear elasticity is considered, it is about reconstructing the unknown boundary conditions on a part of the boundary based on the other boundaries. A methodology based on the domain decompo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91f1c3a578ebf042615ad9bd241a5a5e
https://hal.archives-ouvertes.fr/hal-03174129
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8
Inverse problem for a class of nonlinear elliptic equations with entropy solution
Autor: Youssef Ouakrim, Abdellatif Ellabib
Publikováno v: Nonlinear Analysis: Real World Applications. 46:137-156
We study a nonlinear ill posed inverse problem arising from the identification of nonlinearities in elliptic partial differential equations with L 1 data. Using duality regularization techniques and optimal control principle, we approach the ill pose
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cab13bc06ae30d4b4f3be8fd6b1fc8e2
https://doi.org/10.1016/j.nonrwa.2018.09.008
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9
Convergence study and regularizing property of a modified Robin–Robin method for the Cauchy problem in linear elasticity
Autor: Abdellatif Ellabib, Abdeljalil Nachaoui, Abdessamad Ousaadane
Publikováno v: Inverse Problems. 38:075007
In this paper, we are interested in solving a Cauchy inverse problem in linear elasticity. For this, we propose a new method based on Robin conditions on the inaccessible boundary, then we study the convergence and regularizing property of the propos
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00084dd5054785da45a69176c79c968e
https://doi.org/10.1088/1361-6420/ac70f3
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10
A Preconditioned Krylov Subspace Iterative Methods for Inverse Source Problem by Virtue of a Regularizing LM-DRBEM
Autor: Abdessamad El Madkouri, Abdellatif Ellabib
Publikováno v: International Journal of Applied and Computational Mathematics. 6
In this paper, we investigate an effectual methodology to solve the problem of identifying the source term standing on a combined discontinuous dual reciprocity boundary element method with a regularized Levenberg–Marquardt algorithm. The mathemati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::34ae23074381dd85bb20f5e1502a83b0
https://doi.org/10.1007/s40819-020-00846-x
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