Výsledky vyhledávání - Numerical radial basis function approximation

Robust Radial Basis Function Interpolation Based on Geodesic Distance for the Numerical Coupling of Multiphysics Problems: Robust radial basis function interpolation based on geodesic distance for the numerical coupling of multiphysics problems

Autoři: Michele Bucelli Francesco Regazzoni Luca Dede’ a další

Zdroj: SIAM Journal on Scientific Computing. 46:B981-B1002

Témata: 65D05, 65D12, 65M60, Numerical interpolation, Numerical radial basis function approximation, intergrid interpolation, FOS: Mathematics, radial basis functions, Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), cardiac electromechanics, multiphysics modeling

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2403.03665

Numerical analysis of small-strain elasto-plastic deformation using local Radial Basis Function approximation with Picard iteration

Autoři: Strniša, Filip Jančič, Mitja Kosec, Gregor

Témata: Mathematics - Numerical Analysis, text

URL: http://arxiv.org/abs/2405.04970

A radial basis function partition of unity for coupled Klein–Gordon–Zakarov equations: A radial basis function partition of unity for coupled Klein-Gordon-Zakarov equations

Autoři: Barikbin, Mohammad Saeed

Zdroj: Computational and Applied Mathematics. 44

Témata: Numerical radial basis function approximation, coupled Klein-Gordon-Zakharov system, Spectral, collocation and related methods for boundary value problems involving PDEs, Lagrangian polyharmonic splines, radial basis function partition of unity, finite difference schemes

Popis souboru: application/xml

A novel local Hermite radial basis function‐based differential quadrature method for solving two‐dimensional variable‐order time fractional advection–diffusion equation with Neumann boundary conditions: A novel local Hermite radial basis function-based differential quadrature method for solving two-dimensional variable-order time fractional advection-diffusion equation with Neumann boundary conditions

Autoři: Jianming Liu Xin Kai Li Xiuling Hu

Zdroj: Numerical Methods for Partial Differential Equations. 39:2998-3019

Témata: variable-order time fractional, Neumann boundary condition, Hermite RBF-DQ, meshfree method, Numerical radial basis function approximation, Fractional partial differential equations, 01 natural sciences, Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.), Numerical differentiation, Fractional derivatives and integrals, Finite difference methods for initial value and initial-boundary value problems involving PDEs, 0103 physical sciences, Spectral, collocation and related methods for boundary value problems involving PDEs, 0101 mathematics, differential quadrature method, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs

Popis souboru: application/xml

Lagrangian radial basis function‐based particle hydrodynamics method and its application for viscous flows: Lagrangian radial basis function-based particle hydrodynamics method and its application for viscous flows

Autoři: Ronghua Zhu Lizhong Wang Tao Wang a další

Zdroj: International Journal for Numerical Methods in Engineering. 122:1964-1989

Témata: meshless methods, smoothed particle hydrodynamics, Numerical radial basis function approximation, viscous flows, 0103 physical sciences, Particle methods and lattice-gas methods, finite particle method, 0101 mathematics, radial basis function, 01 natural sciences

Popis souboru: application/xml

Přístupová URL adresa: https://onlinelibrary.wiley.com/doi/abs/10.1002/nme.6607
https://ui.adsabs.harvard.edu/abs/2021IJNME.122.1964L/abstract

Torque Ripple Minimization for Switched Reluctance Motor Drives Based on Harris Hawks–Radial Basis Function Approximation.

Autoři: Oloo, Jackson Laszlo, Szamel

Zdroj: Energies (19961073). Feb2025, Vol. 18 Issue 4, p1006. 26p.

Témata: *RADIAL basis functions, *RELUCTANCE motors, *MOTOR drives (Electric motors), *SWITCHED reluctance motors, *ELECTRIC propulsion, *PROPULSION systems

Hybrid radial basis function methods of lines for the numerical solution of viscous Burgers’ equation: Hybrid radial basis function methods of lines for the numerical solution of viscous Burgers' equation

Autoři: Manzoor Hussain

Zdroj: Computational and Applied Mathematics. 40

Témata: KdV equations (Korteweg-de Vries equations), Burgers' equation, Numerical radial basis function approximation, method of lines, Estimates of eigenvalues in context of PDEs, hybrid RBF, 0101 mathematics, eigenvalues stability, 01 natural sciences, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs, Reynolds number, RBF-PS and Kansa method

Popis souboru: application/xml

Přístupová URL adresa: https://link.springer.com/article/10.1007/s40314-021-01505-7

Numerical approximation of the first-passage time distribution of time-varying diffusion decision models: A mesh-free approach: Numerical approximation of the first-passage time distribution of time-varying diffusion decision models: a mesh-free approach

Autoři: Amir Hosein Hadian Rasanan Nathan J. Evans Jörg Rieskamp a další

Zdroj: Engineering Analysis with Boundary Elements. 151:227-243

Témata: moving boundary, first passage-time, Numerical radial basis function approximation, 05 social sciences, Moving boundary problems for PDEs, diffusion model, Fokker-Planck equation, stability analysis, Decision theory, convergence analysis, 03 medical and health sciences, 0302 clinical medicine, Cognitive psychology, human decision making, 0501 psychology and cognitive sciences, Fokker-Planck equations, radial basis function, numerical approximation

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/7698646
https://doi.org/10.1016/j.enganabound.2023.03.005

FE-PIRBN: Feature-enhanced physics-informed radial basis neural networks for solving high-frequency electromagnetic scattering problems: FE-PIRBN: feature-enhanced physics-informed radial basis neural networks for solving high-frequency electromagnetic scattering problems

Autoři: Huajian Zhang Chao Li Rui Xia a další

Zdroj: Journal of Computational Physics. 527:113798

Témata: radial basis neural network, hash encoding, Numerical radial basis function approximation, physics-informed neural network, Spectral, collocation and related methods for boundary value problems involving PDEs, high-frequency electromagnetic scattering, Diffraction, scattering, Artificial neural networks and deep learning

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/8021098
https://doi.org/10.1016/j.jcp.2025.113798

Numerical simulation of coupled Klein–Gordon–Schrödinger equations: RBF partition of unity: Numerical simulation of coupled Klein-Gordon-Schrödinger equations: RBF partition of unity

Autoři: Babak Azarnavid Mojtaba Fardi Soheila Mohammadi

Zdroj: Engineering Analysis with Boundary Elements. 163:562-575

Témata: NLS equations (nonlinear Schrödinger equations), Finite difference methods for initial value and initial-boundary value problems involving PDEs, Numerical radial basis function approximation, implicit central finite difference scheme, radial basis function partition of unity, polyharmonic splines kernels, coupled Klein-Gordon-Schrödinger system, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs

Popis souboru: application/xml

Simulation flows with multiple phases and components via the radial basis functions-finite difference (RBF-FD) procedure: Shan-Chen model

Autoři: Mostafa Abbaszadeh Mehdi Dehghan

Zdroj: Engineering Analysis with Boundary Elements. 119:151-161

Témata: POD idea, Finite difference methods for initial value and initial-boundary value problems involving PDEs, Numerical radial basis function approximation, RBF-FD procedure, 0103 physical sciences, shan-Chen model, 0101 mathematics, incompressible Navier-Stokes equation, variable density, 01 natural sciences, local meshless scheme, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs, flows with multiple phases

Popis souboru: application/xml

Přístupová URL adresa: https://www.sciencedirect.com/science/article/pii/S0955799720301582

Learning PDEs from Data on Closed Surfaces with Sparse Optimization: Learning PDEs from data on closed surfaces with sparse optimization

Autoři: Sun, Zhengjie Ling, Leevan Zhang, Ran

Zdroj: Communications in Computational Physics. 37:289-314

Témata: meshless methods, data-driven modeling, Numerical radial basis function approximation, FOS: Mathematics, FOS: Physical sciences, surface PDE, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), Mathematical Physics (math-ph), sparse optimization, Interpolation in approximation theory, Mathematical Physics

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2405.06199
https://zbmath.org/8033878
https://doi.org/10.4208/cicp.oa-2024-0112

Fast Kernel Summation in High Dimensions via Slicing and Fourier Transforms: Fast kernel summation in high dimensions via slicing and Fourier transforms

Autoři: Johannes Hertrich

Zdroj: SIAM Journal on Mathematics of Data Science. 6:1109-1137

Témata: FOS: Computer and information sciences, Computer Science - Machine Learning, Numerical radial basis function approximation, slicing, Numerical Analysis (math.NA), 01 natural sciences, Machine Learning (cs.LG), nonequispaced Fourier transforms, Algorithms for approximation of functions, fast kernel summation, FOS: Mathematics, Mathematics - Numerical Analysis, 0101 mathematics, Numerical methods for discrete and fast Fourier transforms

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2401.08260
https://zbmath.org/7960206
https://doi.org/10.1137/24m1632085

Construction of quasi-localized dual bases in reproducing kernel Hilbert spaces

Autoři: Helmut Harbrecht Rüdiger Kempf Michael Multerer

Zdroj: Journal of Computational and Applied Mathematics. 465:116545

Témata: reproducing kernel Hilbert spaces, preconditioning, Numerical radial basis function approximation, dual pairs, Approximation by other special function classes

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/8015353
https://doi.org/10.1016/j.cam.2025.116545

Surrogate modeling of time-domain electromagnetic wave propagation via dynamic mode decomposition and radial basis function

Autoři: Li, Kun Li, Yixin Li, Liang a další

Přispěvatelé: Li, Kun Li, Yixin Li, Liang a další

Zdroj: Journal of Computational Physics. 491:112354

Témata: Mathematical modeling or simulation for problems pertaining to optics and electromagnetic theory, Surrogate modeling, proper orthogonal decomposition, [SPI] Engineering Sciences [physics], Numerical radial basis function approximation, non-intrusive model order reduction, dynamic mode decomposition, [MATH] Mathematics [math], Waves and radiation in optics and electromagnetic theory, radial basis function, surrogate modeling, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs

Popis souboru: application/xml; application/pdf

Přístupová URL adresa: https://zbmath.org/7771271
https://doi.org/10.1016/j.jcp.2023.112354
https://inria.hal.science/hal-04401269v1
https://inria.hal.science/hal-04401269v1/document
https://doi.org/10.1016/j.jcp.2023.112354

A Hybrid Collocation Method for Long‐Time Simulation of Heat Conduction in Anisotropic Functionally Graded Materials: A hybrid collocation method for long-time simulation of heat conduction in anisotropic functionally graded materials

Autoři: Lin Qiu Fajie Wang Wenzhen Qu a další

Zdroj: International Journal for Numerical Methods in Engineering. 126

Témata: Iterative numerical methods for linear systems, anisotropic heat conduction, Numerical radial basis function approximation, Numerical computation of solutions to systems of equations, Diffusive and convective heat and mass transfer, heat flow, radial basis function collocation method, Finite difference methods applied to problems in solid mechanics, Computational methods for sparse matrices, Thermal effects in solid mechanics, Krylov deferred correction technique, Finite difference methods for initial value and initial-boundary value problems involving PDEs, Spectral, collocation and related methods for boundary value problems involving PDEs, long-time simulation, PDEs in connection with mechanics of deformable solids, functionally graded materials, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/7991422
https://doi.org/10.1002/nme.70002

Smaller stencil preconditioners for linear systems in RBF-FD discretizations

Autoři: Koch, Michael Le Borne, Sabine Leinen, Willi

Zdroj: Numerical Algorithms. 98:1313-1335

Témata: polyharmonic spline, preconditioner, Polynomial augmentation, meshfree method, 65F08, 65M12, 65N22, Numerical radial basis function approximation, Radial basis function finite difference (RBF-FD), Polyharmonic spline, radial basis function finite difference (RBF-FD), 01 natural sciences, Numerical computation using splines, Meshfree method, polynomial augmentation, Iterative solver, Preconditioners for iterative methods, iterative solver, 0101 mathematics, Preconditioner, 65D12, 65F10, 65F55, 65D25

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/7985680
https://doi.org/10.1007/s11075-024-01835-7

Numerical analysis of small-strain elasto-plastic deformation using local Radial Basis Function approximation with Picard iteration.

Autoři: Strniša, Filip Jančič, Mitja Kosec, Gregor

Zdroj: Applied Mathematical Modelling. Jan2025:Part B, Vol. 137, pN.PAG-N.PAG. 1p.

Témata: *NONLINEAR equations, *MATERIAL plasticity, *RADIAL basis functions, *YIELD stress, *ELASTIC deformation

Small dataset augmentation with radial basis function approximation for causal discovery using constraint‐based method.

Autoři: Jung, Chan Young Jang, Yun

Zdroj: ETRI Journal; Feb2025, Vol. 47 Issue 1, p90-101, 12p

Témata: RADIAL basis functions, DATA augmentation, STATISTICAL power analysis, CAUSATION (Philosophy), CAUSAL inference, STRUCTURAL equation modeling, CONSTRAINT satisfaction

A modified lattice Boltzmann approach based on radial basis function approximation for the non‐uniform rectangular mesh.

Autoři: Hu, X. Bergadà, J. M. Li, D. a další

Zdroj: International Journal for Numerical Methods in Fluids; Nov2024, Vol. 96 Issue 11, p1695-1714, 20p

Témata: LAGRANGIAN functions, LATTICE Boltzmann methods, GRID cells, INTERPOLATION, RADIAL basis functions