Search Results - boundary element methods for initial value AND initial-boundary value problems involving press*

Pressure boundary conditions for immersed-boundary methods

Authors: Yildiran, Ibrahim Nasuh Beratlis, Nikolaos Capuano, Francesco et al.

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

Subject Terms: Immersed boundary method, Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica de fluids, Pressure boundary conditions, pressure boundary conditions, Lagrangian forcing, Incompressible inviscid fluids, direct forcing, Direct Forcing, Cartesian grids, Boundary element methods for initial value and initial-boundary value problems involving PDEs, immersed boundary method, Lagrangian Forcing, Boundary element methods applied to problems in fluid mechanics, Numerical solution of discretized equations for initial value and initial-boundary value problems involving PDEs, cartesian grids

File Description: application/pdf; application/xml

Access URL: https://pubmed.ncbi.nlm.nih.gov/38912295
https://hdl.handle.net/2117/426412
https://doi.org/10.1016/j.jcp.2024.113057

Current effects on nonlinear wave slamming by an Oscillating Wave Surge Converter: Current effects on nonlinear wave slamming by an oscillating wave surge converter

Authors: Chunyan Ji Gen Li Gangjun Zhai et al.

Source: Engineering Analysis with Boundary Elements. 96:150-168

Subject Terms: Boundary element methods for initial value and initial-boundary value problems involving PDEs, oscillating wave surge converter, Water waves, gravity waves, dispersion and scattering, nonlinear interaction, HOBEM, Boundary element methods applied to problems in fluid mechanics, jet flow, 0103 physical sciences, 0211 other engineering and technologies, 02 engineering and technology, current, pressure distribution, 01 natural sciences

File Description: application/xml

Access URL: https://zbmath.org/6958755
https://doi.org/10.1016/j.enganabound.2018.06.023
https://www.sciencedirect.com/science/article/pii/S0955799718301693
https://data.mendeley.com/datasets/m8h2nxsg32

Solvability of a Riemann–Liouville-Type Fractional-Impulsive Differential Equation with a Riemann–Stieltjes Integral Boundary Condition.

Authors: Zhang, Keyu O'Regan, Donal Xu, Jiafa

Source: Fractal & Fractional; May2025, Vol. 9 Issue 5, p323, 18p

Subject Terms: BOUNDARY value problems, EXISTENCE theorems, DIFFERENTIAL equations, BOUNDARY element methods, LINEAR operators

BEM-based fast frequency sweep for acoustic scattering by periodic slab

Authors: Yuta Honshuku Hiroshi Isakari

Source: Journal of Computational Physics. 509:113046

Subject Terms: periodic structure, Boundary element methods for initial value and initial-boundary value problems involving PDEs, Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation, phononic crystal, 0103 physical sciences, FOS: Mathematics, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), fast boundary element method, Padé approximation, 01 natural sciences, Boundary element methods applied to problems in optics and electromagnetic theory, fast frequency sweep

File Description: application/xml

Access URL: http://arxiv.org/abs/2305.08474
https://zbmath.org/8021010
https://doi.org/10.1016/j.jcp.2024.113046

A Highly Efficient Reduced-Order Extrapolating Model for the 2D Viscoelastic Wave Equation: A highly efficient reduced-order extrapolating model for the 2D viscoelastic wave equation

Authors: Teng, Fei Luo, Zhendong

Source: Advances in Applied Mathematics and Mechanics. 13:355-377

Subject Terms: Extrapolation to the limit, deferred corrections, viscoelastic wave equation, highly efficient reduced-order extrapolating model, Numerical methods for ill-posed problems for initial value and initial-boundary value problems involving PDEs, 01 natural sciences, natural boundary element, Boundary element methods for initial value and initial-boundary value problems involving PDEs, Error bounds for initial value and initial-boundary value problems involving PDEs, proper orthogonal decomposition, Boundary element methods applied to problems in fluid mechanics, 0101 mathematics, Numerical methods for partial differential equations, initial value and time-dependent initial-boundary value problems, Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs, Viscoelastic fluids, numerical experiments, Finite element methods applied to problems in fluid mechanics

File Description: application/xml

Access URL: https://zbmath.org/7409119
https://doi.org/10.4208/aamm.oa-2019-0351

Numerical implementation of boundary element method for determining aerodynamic characteristics around airfoil system by viscous media.

Authors: Xu, Ke Yue, Peng Liu, Qiang et al.

Source: AIP Advances; May2020, Vol. 10 Issue 5, p1-6, 6p

Subject Terms: BOUNDARY element methods, AEROFOILS, INITIAL value problems, BOUNDARY value problems, VISCOUS flow, FLUID flow, SINGULAR integrals

The natural integral equation for initial boundary value problems of parabolic equation and its numerical implementation

Authors: Du, Qikui Yu, Dehao

Subject Terms: numerical examples, Fourier expansion, Heat equation, exterior circular domain, linear heat equation, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs, boundary element method

File Description: application/xml

Access URL: https://zbmath.org/1421690

Initial Boundary Value Problems for a Quasi-linear Parabolic System in Three-Phase Capillary Flow in Porous Media.

Authors: Frid, Hermano Shelukhin, Vladimir

Source: SIAM Journal on Mathematical Analysis. 2005, Vol. 36 Issue 5, p1407-1425. 19p.

Subject Terms: *POROUS materials, *BOUNDARY value problems, *DIFFERENTIAL equations, *COMPLEX variables, *MATHEMATICAL physics

The Cauchy problem for Laplace's equation via the conjugate gradient method

Authors: Dinh Nho Hào Daniel Lesnic

Source: IMA Journal of Applied Mathematics. 65:199-217

Subject Terms: Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation, conjugate gradient method, Numerical methods for ill-posed problems for initial value and initial-boundary value problems involving PDEs, Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs, ill-posed problem, 0101 mathematics, 01 natural sciences

File Description: application/xml

Access URL: https://zbmath.org/1539259
https://doi.org/10.1093/imamat/65.2.199
https://ui.adsabs.harvard.edu/abs/2000JApMa..65..199H/abstract
http://imamat.oxfordjournals.org/content/65/2/199.abstract
https://academic.oup.com/imamat/article/65/2/199/643434

Finite Element Approximation of the Fractional Porous Medium Equation

Authors: Carrillo, José A. Fronzoni, Stefano Süli, Endre

Index Terms: Mathematics - Numerical Analysis, Mathematics - Analysis of PDEs, 35K55, 35R11, 65N30, text

URL: http://arxiv.org/abs/2404.18901

A combined BEM and Laplace transform for unsteady modified-Helmholtz equation of time–space variable coefficients for anisotropic media.

Authors: Azis, Mohammad Ivan

Source: Engineering Computations; 2023, Vol. 40 Issue 9/10, p3100-3115, 16p

Subject Terms: HELMHOLTZ equation, LAPLACE transformation, ANISOTROPY, FUNCTIONALLY gradient materials, BOUNDARY element methods, INTEGRAL transforms, INTEGRAL equations

Аtmospheric wind flow around the mountain landscape in the vicinity of Danang airport and flight safety issues

Authors: V. V. Vyshinsky K. T. Zoan

Source: Научный вестник МГТУ ГА, Vol 24, Iss 6, Pp 27-41 (2021)

Subject Terms: coherent vortices structures in the atmosphere, rotor turbulence, flight safety, boundary value problems, reynolds-averaged navier-stokes equations, boundary element method, method of discrete vortices, panel methods, Motor vehicles. Aeronautics. Astronautics, TL1-4050

File Description: electronic resource

Relation: https://avia.mstuca.ru/jour/article/view/1899; https://doaj.org/toc/2079-0619; https://doaj.org/toc/2542-0119

Access URL: https://doaj.org/article/bffc3a0583d943cab3e6e0e77fe0173a

A representation formula for the wave equation revisited.

Authors: Hsiao, George C. Weinacht, Richard J.

Source: Applicable Analysis; Feb2012, Vol. 91 Issue 2, p371-380, 10p

Subject Terms: WAVE equation, MATHEMATICAL formulas, GREEN'S functions, BOUNDARY value problems, INITIAL value problems, BOUNDARY element methods

Dynamic motions of planing vessels in head seas.

Authors: Sun, Hui Faltinsen, Odd

Source: Journal of Marine Science & Technology; Jun2011, Vol. 16 Issue 2, p168-180, 13p

Subject Terms: PLANING hulls, SEAKEEPING, BOUNDARY element methods, BOATS & boating, BOUNDARY value problems

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

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

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

Subject Terms: HEAT transfer, HEAT conduction, BOUNDARY element methods, INVERSE problems, BOUNDARY value problems

The coupling of natural boundary element and finite element method for 2D hyperbolic equations.

Authors: Yu, Dehao Du, Qikui

Subject Terms: numerical examples, hyperbolic equation, convergence, boundary element, finite element, Poisson integral formula, exterior initial boundary value problems, Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs, Initial value problems for second-order hyperbolic equations, Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs, artificial boundary, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs, natural boundary reduction

File Description: application/xml

Access URL: https://zbmath.org/1998921

Partial elements equivalent circuit modeling of distributed and lumped time-varying dielectric phenomena.

Authors: Romano D Pettanice G Stumpf M et al.

Source: Scientific reports [Sci Rep] 2025 Nov 28. Date of Electronic Publication: 2025 Nov 28.

Publication Type: Journal Article

Journal Info: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE

Mathematical modelling and numerical simulation of induction heating processes

Authors: Rappaz, Jacques Świerkosz, Marek Sokołowski, Jan - ed.

Contributors: Rappaz, Jacques Świerkosz, Marek Sokołowski, Jan - ed.

Subject Terms: Technical applications of optics and electromagnetic theory, axisymmetric geometries, Applications to the sciences, sterowanie, numerical simulation, informatyka, sterowanie-teoria, matematyka stosowana, sztuczna inteligencja, PDEs in connection with optics and electromagnetic theory, induction heating, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs, boundary element method

File Description: application/xml

Access URL: https://zbmath.org/1045563

Boundary element analysis for a class of multidimensional linear parabolic equations

Authors: Du, Qikui

Subject Terms: Error bounds for initial value and initial-boundary value problems involving PDEs, boundary element, error estimates, Heat equation, boundary integral equations, linear heat conduction equations, Initial value problems for second-order parabolic equations, Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs, linear parabolic equations

File Description: application/xml

Access URL: https://zbmath.org/818533

Anisotropic Lizorkin-Triebel spaces with mixed norms - traces on smooth boundaries.

Authors: Johnsen, J. Hansen, S. Munch Sickel, W.

Source: Mathematische Nachrichten; Aug2015, Vol. 288 Issue 11/12, p1327-1359, 33p

Subject Terms: HEAT equation, ANISOTROPIC crystals, PARABOLIC differential equations, BOUNDARY value problems, BOUNDARY element methods