Výsledky vyhľadávania - finite volume methods for initial value and initial-boundary value problems involving pred*

Approximating Numerical Fluxes Using Fourier Neural Operators for Hyperbolic Conservation Laws: Approximating numerical fluxes using Fourier neural operators for hyperbolic conservation laws

Autori: Kim, Taeyoung Kang, Myungjoo

Zdroj: Communications in Computational Physics. 37:420-456

Predmety: FOS: Computer and information sciences, Computer Science - Machine Learning, scientific machine learning, numerical analysis, Numerical Analysis (math.NA), PDE, neural operator, Machine Learning (cs.LG), Finite volume methods for initial value and initial-boundary value problems involving PDEs, Hyperbolic conservation laws, Finite difference methods for initial value and initial-boundary value problems involving PDEs, FOS: Mathematics, FNO, Mathematics - Numerical Analysis, conservation laws, Artificial neural networks and deep learning

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/abs/2401.01783
https://zbmath.org/8033882
https://doi.org/10.4208/cicp.oa-2024-0123

Analysis of finite-volume transport schemes on cubed-sphere grids and an accurate scheme for divergent winds

Autori: Luan F. Santos Joseph Mouallem Pedro S. Peixoto

Zdroj: Journal of Computational Physics. 522:113618

Predmety: Finite volume methods for initial value and initial-boundary value problems involving PDEs, advection, transport, numerical weather prediction, Finite volume methods applied to problems in fluid mechanics, cubed-sphere, divergent winds, finite-volume

Popis súboru: application/xml

Quantifying the checkerboard problem to reduce numerical dissipation

Autori: Hopman, Johannes Arend Santos Serrano, Daniel Alsalti Baldellou, Àdel a ďalší

Prispievatelia: Hopman, Johannes Arend Santos Serrano, Daniel Alsalti Baldellou, Àdel a ďalší

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Predmety: collocated grids, Collocated grids, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, Finite volume methods applied to problems in fluid mechanics, Physics - Fluid Dynamics, Computational Physics (physics.comp-ph), 01 natural sciences, Checkerboarding, Àrees temàtiques de la UPC::Física::Física de fluids, Finite volume methods for initial value and initial-boundary value problems involving PDEs, Conservative discretisation, conservative discretisation, 0103 physical sciences, checkerboarding, Physics - Computational Physics

Popis súboru: application/pdf; application/xml

Prístupová URL adresa: http://arxiv.org/abs/2408.06821
https://zbmath.org/7974281
https://doi.org/10.1016/j.jcp.2024.113537
https://hdl.handle.net/2117/417803
https://doi.org/10.1016/j.jcp.2024.113537

On a symmetry-preserving unconditionally stable projection method on collocated unstructured grids for incompressible flows

Autori: Santos Serrano, Daniel Hopman, Johannes Arend Pérez Segarra, Carlos David a ďalší

Prispievatelia: Santos Serrano, Daniel Hopman, Johannes Arend Pérez Segarra, Carlos David a ďalší

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Predmety: Àrees temàtiques de la UPC::Física::Termodinàmica, Spectral methods applied to problems in fluid mechanics, collocated, symmetry-preserving, unconditionally stable, energy-preserving, PISO, Finite volume methods applied to problems in fluid mechanics, Collocated, FVM, Unconditionally stable, Finite volume methods for initial value and initial-boundary value problems involving PDEs, Energy-preserving, Symmetry-preserving, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs

Popis súboru: application/pdf; application/xml

Prístupová URL adresa: https://hdl.handle.net/2117/421153
https://doi.org/10.1016/j.jcp.2024.113631

A momentum balance correction to the non-conservative one-fluid formulation in boiling flows using volume-of-fluid

Autori: Jordi Poblador-Ibanez Nicolás Valle Bendiks Jan Boersma

Zdroj: Journal of Computational Physics. 524:113704

Predmety: volume-of-fluid, momentum balance, Finite volume methods for initial value and initial-boundary value problems involving PDEs, Liquid-gas two-phase flows, bubbly flows, phase change, Fluid Dynamics (physics.flu-dyn), boiling flows, one-fluid formulation, FOS: Physical sciences, Finite volume methods applied to problems in fluid mechanics, Physics - Fluid Dynamics, non-conservative formulation

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/abs/2407.09969

Numerical stability analysis of shock-capturing methods for strong shocks II: High-order finite-volume schemes: Numerical stability analysis of shock-capturing methods for strong shocks. II: High-order finite-volume schemes

Autori: Weijie Ren Wenjia Xie Ye Zhang a ďalší

Zdroj: Journal of Computational Physics. 523:113649

Predmety: matrix stability analysis, WENO, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, shock instability, Finite volume methods applied to problems in fluid mechanics, Physics - Fluid Dynamics, Numerical Analysis (math.NA), carbuncle, Finite volume methods for initial value and initial-boundary value problems involving PDEs, Hyperbolic conservation laws, shock-capturing, FOS: Mathematics, Mathematics - Numerical Analysis, Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs, finite-volume

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/abs/2308.03428

A finite element/volume method model of the depth‐averaged horizontally 2D shallow water equations: A finite element/volume method model of the depth-averaged horizontally 2D shallow water equations

Autori: Yoshioka, Hidekazu Unami, Koichi Fujihara, Masayuki a ďalší

Prispievatelia: Yoshioka, Hidekazu Unami, Koichi Fujihara, Masayuki a ďalší

Zdroj: International Journal for Numerical Methods in Fluids. 75:23-41

Predmety: Water waves, gravity waves, dispersion and scattering, nonlinear interaction, Finite volume methods for initial value and initial-boundary value problems involving PDEs, fully explicit temporal integration, 0103 physical sciences, Finite volume methods applied to problems in fluid mechanics, Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs, 2D SWEs, finite element/volume method, 01 natural sciences, 6. Clean water, Finite element methods applied to problems in fluid mechanics, approximate matrix inversion method

Popis súboru: application/xml; application/pdf

Prístupová URL adresa: https://repository.kulib.kyoto-u.ac.jp/dspace/bitstream/2433/198579/1/fld.3882.pdf
http://onlinelibrary.wiley.com/doi/10.1002/fld.3882/full
http://repository.kulib.kyoto-u.ac.jp/dspace/bitstream/2433/198579/1/fld.3882.pdf
http://ci.nii.ac.jp/naid/120005619773
https://repository.kulib.kyoto-u.ac.jp/dspace/handle/2433/198579
https://ui.adsabs.harvard.edu/abs/2014IJNMF..75...23Y/abstract
https://onlinelibrary.wiley.com/doi/10.1002/fld.3882/abstract

A SURVEY AND COMPARATIVE ANALYSIS OF DIFFERENT APPROACHES TO FUZZY DIFFERENTIAL EQUATIONS MODELING DYNAMICS WITH UNCERTAIN PARAMETERS OF DETERMINISTIC CHARACTER.

Autori: GASILOV, NIZAMI A. AMRAHOV, ŞAHIN EMRAH

Zdroj: Kybernetika; 2025, Vol. 61 Issue 3, p289-347, 59p

Predmety: INITIAL value problems, BOUNDARY value problems, MATHEMATICAL models, FUZZY systems, PROBLEM solving, UNCERTAINTY (Information theory), FUZZY mathematics

A novel interpolation-free sharp-interface immersed boundary method

Autori: Kingora, Kamau Sadat-Hosseini, Hamid

Zdroj: Journal of Computational Physics. 453:110933

Predmety: Finite volume methods for initial value and initial-boundary value problems involving PDEs, 0103 physical sciences, sharp interface, immersed boundary, Finite volume methods applied to problems in fluid mechanics, direct forcing, CFD, interpolation free, 01 natural sciences

Popis súboru: application/xml

Prístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/35250049
https://zbmath.org/7517711
https://doi.org/10.1016/j.jcp.2021.110933

Adaptive Uncertainty Quantification for Stochastic Hyperbolic Conservation Laws: Adaptive uncertainty quantification for stochastic hyperbolic conservation laws

Autori: Jake J. Harmon Svetlana Tokareva Anatoly Zlotnik a ďalší

Zdroj: SIAM/ASA Journal on Uncertainty Quantification. 13:339-374

Predmety: Numerical solutions to stochastic differential and integral equations, uncertainty quantification, error estimation, 35L60, 35L67, 65C30, 65M50, 65M60, Mesh generation, refinement, and adaptive methods for the numerical solution of initial value and initial-boundary value problems involving PDEs, mesh refinement, Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs, Mathematics - Numerical Analysis, stochastic finite volumes, First-order nonlinear hyperbolic equations, Shocks and singularities for hyperbolic equations, adaptivity

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/abs/2401.12880

PARALLEL ALGORITHMS FOR SOLUTION OF NONLINEAR DIFFUSION PROBLEMS IN IMAGE SMOOTHING: Parallel algorithms for solution of nonlinear diffusion problems in image smoothing

Autori: Čiegis, R. Jakušev, A. Krylovas, A. a ďalší

Zdroj: Mathematical Modelling and Analysis, Vol 10, Iss 2 (2005)
Mathematical Modelling and Analysis; Vol 10 No 2 (2005); 155-172

Predmety: Finite–volume method, numerical examples, finite‐volume method, Parallel algorithms, finite differences, Flows in porous media, filtration, seepage, parallel algorithms, porous medium, Parallel numerical computation, finite-volume method, 01 natural sciences, Finite difference methods applied to problems in fluid mechanics, Nonlinear diffusion filters, nonlinear diffusion filters, Finite difference methods for initial value and initial-boundary value problems involving PDEs, QA1-939, Nonlinear parabolic equations, 0101 mathematics, Mathematics, domain decomposition method

Popis súboru: application/xml; application/pdf

Prístupová URL adresa: https://journals.vgtu.lt/index.php/MMA/article/download/9671/8439
https://zbmath.org/2211784
https://doaj.org/article/d6deca88fa794989a37ff869dc96df5a
https://www.tandfonline.com/doi/abs/10.1080/13926292.2005.9637279
http://dspace1.vgtu.lt/handle/1/396
https://journals.vilniustech.lt/index.php/MMA/article/view/9671

ANALYTICAL VERSUS NUMERICAL CALCULATIONS OF PHYSICAL PROBLEMS. THE BENEFITS OF ITS COMBINATION: Analytical versus numerical calculations of physical problems. The benefits of its combination

Autori: Liess, H. D. Ilgevičius, A.

Zdroj: Mathematical Modelling and Analysis, Vol 8, Iss 4 (2003)
Mathematical Modelling and Analysis; Vol 8 No 4 (2003); 291-302

Predmety: Other numerical methods (thermodynamics), mathematical modeling, 0211 other engineering and technologies, analytic solution, finite volume method, 02 engineering and technology, electrical cables, Reaction-diffusion equations, electrical cable, Finite difference methods for initial value and initial-boundary value problems involving PDEs, heat transfer, QA1-939, Heat and mass transfer, heat flow, 0202 electrical engineering, electronic engineering, information engineering, mathematical modelling, Mathematics

Popis súboru: application/xml; application/pdf

Prístupová URL adresa: https://journals.vgtu.lt/index.php/MMA/article/download/9785/8531
https://zbmath.org/2157184
https://doaj.org/article/1718968e7ec14b9e8743ea69407d2969
https://www.tandfonline.com/doi/abs/10.1080/13926292.2003.9637231
https://journals.vilniustech.lt/index.php/MMA/article/view/9785

Internal symmetry to the rescue: well-posed 1 + 1 evolution of self-interacting vector fields.

Autori: Gómez, Gabriel Rodríguez, José F.

Zdroj: European Physical Journal C -- Particles & Fields; Aug2025, Vol. 85 Issue 8, p1-18, 18p

Predmety: VECTOR fields, INITIAL value problems, NONABELIAN groups, MAGNETIC monopoles, NUMERICAL calculations, GAUGE symmetries, DYNAMIC stability

ANALYSIS OF A MULTISCALE INTERFACE PROBLEM BASED ON THE COUPLING OF PARTIAL AND ORDINARY DIFFERENTIAL EQUATIONS TO MODEL TISSUE PERFUSION.

Autori: BOCIU, LORENA BROUSSARD, MATTHEW GUIDOBONI, GIOVANNA a ďalší

Zdroj: Multiscale Modeling & Simulation; 2025, Vol. 23 Issue 1, p1-24, 24p

Predmety: INITIAL value problems, ORDINARY differential equations, BOUNDARY value problems, PARTIAL differential equations, BLOOD circulation

Preconditioned implicit solution of linear hyperbolic equations with adaptivity

Autori: Lötstedt, Per Ramage, Allison von Sydow, Lina a ďalší

Zdroj: Journal of Computational and Applied Mathematics. 170:269-289

Predmety: Iterative numerical methods for linear systems, Numerical computation of matrix norms, conditioning, scaling, Parallel computation, semi-Toeplitz preconditioning, finite volume method, linear multistep method, GMRES, generalized minimal residual method, 01 natural sciences, adaptivity, Finite difference methods for initial value and initial-boundary value problems involving PDEs, implicit time stepping methods, Mesh generation, refinement, and adaptive methods for the numerical solution of initial value and initial-boundary value problems involving PDEs, different time scales, Initial value problems for first-order hyperbolic systems, 0101 mathematics, numerical experiments, convergence, algorithm, Finite volume method, Applied Mathematics, Parallel numerical computation, Adaptivity, Computational Mathematics, Error bounds for initial value and initial-boundary value problems involving PDEs, Semi-Toeplitz preconditioning, Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs, parallel computation, Mathematics, Linear multistep method

Popis súboru: application/xml

Prístupová URL adresa: http://uu.diva-portal.org/smash/record.jsf?pid=diva2:96313
http://www.diva-portal.org/smash/record.jsf?pid=diva2:108080
https://www.sciencedirect.com/science/article/pii/S0377042704000706
https://strathprints.strath.ac.uk/2152/
https://pureportal.strath.ac.uk/en/publications/preconditioned-implicit-solution-of-linear-hyperbolic-equations-w
https://www.sciencedirect.com/science/article/abs/pii/S0377042704000706

Multiresolution Schemes on Triangles for Scalar Conservation Laws: Multiresolution schemes of triangles for scalar conservation laws

Autori: Marie Postel Sidi Mahmoud Kaber Nira Dyn a ďalší

Zdroj: Journal of Computational Physics. 161:264-286

Predmety: multiresolution, triangular mesh, numerical tests, Hyperbolic conservation laws, Finite difference methods for initial value and initial-boundary value problems involving PDEs, finite volume schemes, conservation laws, stability, 0101 mathematics, Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs, 01 natural sciences, performance

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/1471805
https://doi.org/10.1006/jcph.2000.6503
https://www.sciencedirect.com/science/article/pii/S0021999100965033
https://ui.adsabs.harvard.edu/abs/2000JCoPh.161..264C/abstract
http://www.ljll.math.upmc.fr/~postel/HDR/publications/CohenDKP00.pdf
https://www.ljll.math.upmc.fr/~postel/HDR/publications/CohenDKP00.pdf

The analytic extension of solutions to initial-boundary value problems outside their domain of definition.

Autori: Farkas, Matthew Cisneros, Jorge Deconinck, Bernard

Zdroj: IMA Journal of Applied Mathematics; Feb2023, Vol. 88 Issue 1, p152-212, 61p

Predmety: DEFINITIONS, PROBLEM solving

An ill-designed algorithm for solving a multi-dimensional nonlinear diffusion equation in a domain limited by a moving boundary: An ill-designed algorithm for solving a multidimensional nonlinear diffusion equation in a domain limited by a moving boundary

Autori: Eric Deleersnijder

Zdroj: Mathematical and Computer Modelling. 19:75-81

Predmety: moving boundary, numerical stability, Modelling and Simulation, Free boundary problems for PDEs, Nonlinear parabolic equations, hybrid numerical-asymptotic method, finite volume method, nonlinear advection-diffusion equation, Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs, 0101 mathematics, Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs, 01 natural sciences, Computer Science Applications

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/612195
https://doi.org/10.1016/0895-7177(94)90107-4
https://dial.uclouvain.be/pr/boreal/object/boreal:48887
https://www.sciencedirect.com/science/article/pii/0895717794901074

Numerical prediction of the fiber orientation in steady flows

Autori: Rafael Torres Francisco Chinesta Arnaud Poitou

Zdroj: Revue Européenne des Éléments Finis. 8:355-374

Predmety: Numerical aspects of the method of characteristics for initial value and initial-boundary value problems involving PDEs, fiber orientation, short-fiber-reinforced thermoplastic, anisotropic Stokes flow, 0103 physical sciences, Finite volume methods applied to problems in fluid mechanics, method of characteristics, 01 natural sciences, Stokes and related (Oseen, etc.) flows, Finite element methods applied to problems in fluid mechanics, discontinuous finite volume method

Popis súboru: application/xml

Prístupová URL adresa: https://www.tandfonline.com/doi/ref/10.1080/12506559.1999.10511383

The design of improved smoothing operators for finite volume flow solvers on unstructured meshes

Autori: Benjamin de Foy William N. Dawes

Zdroj: International Journal for Numerical Methods in Fluids. 36:903-923

Predmety: accuracy, flow over three-dimensional hump, Navier-Stokes equations for incompressible viscous fluids, Finite volume methods applied to problems in fluid mechanics, 01 natural sciences, Fourier analysis, least squares, Error bounds for initial value and initial-boundary value problems involving PDEs, 0103 physical sciences, Taylor series, improved numerical dissipation, unstructured finite volume flow solvers, fourth-order edge sum smoothing operator, tetrahedron, Strouhal number

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/1670011
https://doi.org/10.1002/fld.156
http://onlinelibrary.wiley.com/doi/10.1002/fld.156/abstract
http://ui.adsabs.harvard.edu/abs/2001IJNMF..36..903D/abstract