Výsledky vyhledávání - numerical methods for ill-posed problems for boundary value problems involving des

Towards Nonlinearity: The p -Regularity Theory.

Autoři: Bednarczuk, Ewa Brezhneva, Olga Leśniewski, Krzysztof a další

Zdroj: Entropy; May2025, Vol. 27 Issue 5, p518, 46p

Témata: NONLINEAR differential equations, IMPLICIT functions, PARTIAL differential equations, DIFFERENTIAL equations, BOUNDARY value problems

On uniqueness theorems for the inverse problem of electrocardiography in the Sobolev spaces.

Autoři: Kalinin, Vitaly Shlapunov, Alexander Ushenin, Konstantin

Zdroj: ZAMM -- Journal of Applied Mathematics & Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik; Jan2023, Vol. 103 Issue 1, p1-25, 25p

Témata: SOBOLEV spaces, BOUNDARY value problems, ELECTROCARDIOGRAPHY, MATHEMATICAL models

Volterra Functional Equations in the Theory of Optimization of Distributed Systems. On the Problem of Singularity of Controlled Initial–Boundary Value Problems.

Autoři: Sumin, V. I.

Zdroj: Proceedings of the Steklov Institute of Mathematics; 2022 Supplement, Vol. 319 Issue 1, pS257-S270, 14p

Functional and numerical methods for the approximation of nonlinear boundary value problems of mixed type elliptic / hyperbolic ; Méthodes fonctionnelles et numériques pour l'approche de problèmes aux limites non linéaires mixtes elliptiques / hyperboliques

Autoři: Le Brizaut, Jean-Sébastien Laboratoire de Mathématiques Jean Leray (LMJL) Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST) a další

Přispěvatelé: Le Brizaut, Jean-Sébastien Laboratoire de Mathématiques Jean Leray (LMJL) Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST) a další

Zdroj: https://theses.hal.science/tel-00005350 ; Mathématiques [math]. Université de Nantes, 2004.

Témata: Optimisation, méthodes à epsilon près, solutions généralisés, pénalisation, modèle de Karman et Guderley, condition d'entropie, [MATH]Mathematics [math]

Dostupnost: https://theses.hal.science/tel-00005350
https://theses.hal.science/tel-00005350v1/document
https://theses.hal.science/tel-00005350v1/file/tel-00005350.pdf

WELL-POSEDNESS AND FINITE ELEMENT APPROXIMABILITY OF TIME-HARMONIC ELECTROMAGNETIC BOUNDARY VALUE PROBLEMS INVOLVING BIANISOTROPIC MATERIALS AND METAMATERIALS.

Autoři: FERNANDES, PAOLO RAFFETTO, MIRCO

Zdroj: Mathematical Models & Methods in Applied Sciences; Dec2009, Vol. 19 Issue 12, p2299-2335, 37p, 1 Diagram, 1 Chart, 10 Graphs

Témata: BOUNDARY value problems, LIPSCHITZ spaces, DIFFERENTIAL equations, COMPLEX variables, MATHEMATICAL physics

Fractional regularisation of the Cauchy problem for Laplace's equation and application in some free boundary value problems.

Autoři: Kaltenbacher, Barbara Rundell, William

Zdroj: Mathematics of Computation; Mar2025, Vol. 94 Issue 352, p647-679, 33p

Témata: LAPLACE'S equation, BOUNDARY value problems, PARTIAL differential equations, NEWTON-Raphson method, HARMONIC functions

Low-regret shape optimization in the presence of missing Dirichlet data.

Autoři: Kunisch, Karl Sebastian H Simon, John

Zdroj: Inverse Problems; Aug2025, Vol. 41 Issue 8, p1-31, 31p

Témata: MISSING data (Statistics), ROBUST optimization, ELLIPTIC equations, MATHEMATICAL transformations, BOUNDARY value problems, STRUCTURAL optimization, DISCRETIZATION methods, DEFORMATIONS (Mechanics)

DETECTING AN IMMERSED OBSTACLE IN STOKES FLUID FLOW USING THE COUPLED COMPLEX BOUNDARY METHOD.

Autoři: RABAGO, J. F. T. AFRAITES, L. NOTSU, H.

Zdroj: SIAM Journal on Control & Optimization; 2025, Vol. 63 Issue 2, p822-851, 30p

Témata: SOBOLEV gradients, BOUNDARY value problems, NEUMANN boundary conditions, COST functions, STOKES flow

A Closest Point Method for PDEs on Manifolds with Interior Boundary Conditions for Geometry Processing.

Autoři: King, Nathan Su, Haozhe Aanjaneya, Mridul a další

Zdroj: ACM Transactions on Graphics; Oct2024, Vol. 43 Issue 5, p1-26, 26p

Témata: BOUNDARY value problems, IMPLICIT functions, HARMONIC maps, PARTIAL differential equations, VECTOR fields

Stable reconstruction of discontinuous solutions to the Cauchy problem in steady-state anisotropic heat conduction with non-smooth coefficients.

Autoři: Bucataru, Mihai Cimpean, Iulian Marin, Liviu

Zdroj: ESAIM: Mathematical Modelling & Numerical Analysis (ESAIM: M2AN); Mar/Apr2023, Vol. 57 Issue 2, p1029-1062, 34p

Témata: HEAT conduction, BOUNDARY value problems, ANISOTROPIC crystals, FINITE element method, THERMAL conductivity, ADJOINT differential equations, CAUCHY problem, NONSMOOTH optimization

BOUNDARY CONTROL PROBLEM FOR A PARABOLIC EQUATION WITH INVOLUTION.

Autoři: F. N., Dekhkonov

Zdroj: Eurasian Journal of Mathematical & Computer Applications (EJMCA); 2024, Vol. 12 Issue 3, p22-34, 13p

Témata: ARTIFICIAL intelligence, VOLTERRA equations, BOUNDARY value problems, SEPARATION of variables, INTEGRAL transforms, LAPLACE transformation, EQUATIONS, MATHEMATICAL formulas, MATHEMATICAL models

Standard gradient models and application to continuum damage in shell structures.

Autoři: Nedjar, Boumediene Awada, Zeinab

Zdroj: Zeitschrift für Angewandte Mathematik und Physik (ZAMP); Aug2023, Vol. 74 Issue 4, p1-15, 15p

Témata: CONTINUUM damage mechanics, FINITE element method, BOUNDARY value problems, LINEAR momentum, MATHEMATICAL continuum

On the method of reflections.

Autoři: Laurent, Philippe Legendre, Guillaume Salomon, Julien

Zdroj: Numerische Mathematik; Jun2021, Vol. 148 Issue 2, p449-493, 45p

Témata: BOUNDARY value problems, INTEGRAL representations, HILBERT space

Singular solutions to the Protter-Morawetz problem for Keldysh-type equations involving lower order terms.

Autoři: Hristov, Tsvetan

Zdroj: AIP Conference Proceedings; 2018, Vol. 2048 Issue 1, p040025-1-040025-10, 10p

Témata: HYPERBOLIC differential equations, TRANSONIC flow, ADJOINT differential equations, BOUNDARY value problems, NUMERICAL solutions to differential equations

Singular solutions of 3-D Protter-Morawetz problem for weakly hyperbolic equations of Tricomi type.

Autoři: Popivanov, Nedyu Hristov, Tsvetan Scherer, Rudolf

Zdroj: AIP Conference Proceedings; 9/6/2022, Vol. 2505 Issue 1, p1-8, 8p

Témata: HYPERBOLIC differential equations, PARTIAL differential equations, BOUNDARY value problems, EQUATIONS

Reconstruction of the fluid viscosity of unsteady-state flows of the incompressible fluid by velocity measurements on the free flow surface.

Autoři: Korotkii, A. I. Tsepelev, I. A. Filimonov, Mikhail

Zdroj: AIP Conference Proceedings; 2020, Vol. 2312 Issue 1, p1-7, 7p

Témata: FLUID velocity measurements, FREE surfaces, INCOMPRESSIBLE flow, FLUID flow, NONLINEAR boundary value problems, UNSTEADY flow, MEASUREMENT of viscosity

An Efficient Radial Basis Collocation Method for the Boundary Condition Identification of the Inverse Wave Problem.

Autoři: Wang, Lihua Qian, Zhihao Wang, Zhen a další

Zdroj: International Journal of Applied Mechanics; Jan2018, Vol. 10 Issue 1, p-1, 26p

Témata: RADIAL basis functions, COLLOCATION methods, BOUNDARY value problems, STOCHASTIC convergence, ALGORITHMS

Computational Inverse Problems for Partial Differential Equations (hybrid meeting).

Zdroj: Oberwolfach Reports; 2021, p1903-1954, 52p

Témata: PARTIAL differential equations, BOUNDARY value problems, NONDESTRUCTIVE testing, MACHINE learning, DIAGNOSTIC imaging

Determination of a time-dependent heat transfer coefficient in a nonlinear inverse heat conduction problem.

Autoři: Slodička, M. Lesnic, D. Onyango, T.T.M.

Zdroj: Inverse Problems in Science & Engineering; Jan2010, Vol. 18 Issue 1, p65-81, 17p, 3 Graphs

Témata: HEAT transfer, HEAT conduction, BOUNDARY element methods, INVERSE problems, BOUNDARY value problems

A Volume Averaging FEM-Based Fracture Model for Damage Process in Cohesive-Frictional Solids.

Autoři: Mohammadi, Hojjat Na, SeonHong

Zdroj: International Journal of Geomechanics; Mar2023, Vol. 23 Issue 3, p1-13, 13p

Témata: BOUNDARY value problems, TENSION loads, CRACK propagation, COMPRESSION loads