دانلود مقالات ISI درباره معادله هلمهولتز + ترجمه فارسی

Robust and highly scalable parallel solution of the Helmholtz equation with large wave numbers

Keywords: معادله هلمهولتز; CARP-CG; Helmholtz equation; High frequency; Large wave numbers; Parallel processing; Partial differential equations

دانلود رایگان متن کامل مقاله ISI 15 صفحه سال انتشار : 2013 سفارش ترجمه

Spectral and condition number estimates of the acoustic single-layer operator for low-frequency multiple scattering in dense media

Keywords: معادله هلمهولتز; Integral Equation; Helmholtz Equation; Spectral Analysis; Acoustics;

دانلود رایگان متن کامل مقاله ISI 16 صفحه سال انتشار : 2013 سفارش ترجمه

Compact 2D and 3D sixth order schemes for the Helmholtz equation with variable wave number

Keywords: معادله هلمهولتز; Helmholtz equation; Compact high order schemes; Variable wave number; High frequency; Large wave number; Parallel computing; CARP-CG

دانلود رایگان متن کامل مقاله ISI 16 صفحه سال انتشار : 2013 سفارش ترجمه

Regularized conjugate gradient method with fast multipole acceleration for wave scattering from 1D fractal rough surface

Keywords: معادله هلمهولتز; Scattering of rough surface; Helmholtz equation; Integral equation method; Fast multipole algorithm; Regularized conjugate gradient method;

دانلود رایگان متن کامل مقاله ISI 16 صفحه سال انتشار : 2013 سفارش ترجمه

A computational method for the Helmholtz equation in unbounded domains based on the minimization of an integral functional

Keywords: معادله هلمهولتز; Helmholtz equation; Transparent boundary conditions; Minimization of integral functionals

دانلود رایگان متن کامل مقاله ISI 18 صفحه سال انتشار : 2013 سفارش ترجمه

A general approach for high order absorbing boundary conditions for the Helmholtz equation

Keywords: معادله هلمهولتز; Helmholtz equation; Absorbing boundary conditions; Bayliss–Turkel ABC

دانلود رایگان متن کامل مقاله ISI 18 صفحه سال انتشار : 2013 سفارش ترجمه

Wavelets collocation methods for the numerical solution of elliptic BV problems

Keywords: معادله هلمهولتز; Elliptic partial differential equation; Haar wavelets; Legendre wavelets; Helmholtz equation; Boundary-value problems; Numerical method

دانلود رایگان متن کامل مقاله ISI 19 صفحه سال انتشار : 2013 سفارش ترجمه

A direct solver for variable coefficient elliptic PDEs discretized via a composite spectral collocation method

Keywords: معادله هلمهولتز; Helmholtz equation; Spectral method; Direct solver; Fast direct solver

دانلود رایگان متن کامل مقاله ISI 20 صفحه سال انتشار : 2013 سفارش ترجمه

Exact sum rules for inhomogeneous strings

Keywords: معادله هلمهولتز; Helmholtz equation; Inhomogeneous string; Perturbation theory; Collocation method

دانلود رایگان متن کامل مقاله ISI 20 صفحه سال انتشار : 2013 سفارش ترجمه

A two-dimensional Helmhotlz equation solution for the multiple cavity scattering problem

Keywords: معادله هلمهولتز; Electromagnetic cavity; Helmholtz equation; Variational formulations; Existence and uniqueness; Finite element method

دانلود رایگان متن کامل مقاله ISI 21 صفحه سال انتشار : 2013 سفارش ترجمه

Exact sum rules for inhomogeneous drums

Keywords: معادله هلمهولتز; Helmholtz equation; Inhomogeneous drum; Spectral zeta function;

دانلود رایگان متن کامل مقاله ISI 22 صفحه سال انتشار : 2013 سفارش ترجمه

An efficient algorithm for the generalized Foldy–Lax formulation

Keywords: معادله هلمهولتز; Foldy–Lax formulation; Point scatterers; Obstacle scattering; Boundary integral equation; Helmholtz equation

دانلود رایگان متن کامل مقاله ISI 23 صفحه سال انتشار : 2013 سفارش ترجمه

A DRBEM with a predictor–corrector scheme for steady infiltration from periodic channels with root-water uptake

Keywords: معادله هلمهولتز; Richard's equation; Helmholtz equation; DRBEM; Predictor–corrector; Infiltration; Root water uptake

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2012 سفارش ترجمه

Uniform asymptotic conversion of Helmholtz data from 3D to 2D

Keywords: معادله هلمهولتز; Transfer function; Helmholtz equation; Uniform asymptotic expansion; Ray tracing; GPR

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2012 سفارش ترجمه

Analytical integration of the moments in the diagonal form fast multipole boundary element method for 3-D acoustic wave problems

Keywords: معادله هلمهولتز; 3-D acoustic wave problems; Helmholtz equation; Boundary element method; Fast multipole method; Diagonal form; Analytical integration;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2012 سفارش ترجمه

Efficient technique in low-frequency fast multipole boundary element method for plane-symmetric acoustic problems

Keywords: معادله هلمهولتز; Helmholtz equation; Acoustic problems; Fast multipole method (FMM); Plane-symmetric problems

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2012 سفارش ترجمه

The radial basis integral equation method for solving the Helmholtz equation

Keywords: معادله هلمهولتز; Meshless methods; RBIEM; Helmholtz equation; Multigrid; Radial basis functions; Eigenfrequencies

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2012 سفارش ترجمه

A modified boundary integral equation for solving the exterior Robin problem for the Helmholtz equation in three dimensions

Keywords: معادله هلمهولتز; Boundary integral equation; Modified fundamental solution; Helmholtz equation; Exterior Robin problem; Superconvergence

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2012 سفارش ترجمه

The DtN nonreflecting boundary condition for multiple scattering problems in the half-plane

Keywords: معادله هلمهولتز; Half-plane scattering; Helmholtz equation; Nonreflecting boundary condition; Dirichlet-to-Neumann map

دانلود رایگان متن کامل مقاله ISI 11 صفحه سال انتشار : 2012 سفارش ترجمه

The Fourier version of the Variational Theory of Complex Rays for medium-frequency acoustics

Keywords: معادله هلمهولتز; Medium-frequency; Helmholtz equation; Acoustics; Variational Theory of Complex Rays; Adaptive numerical strategy; Fourier series

دانلود رایگان متن کامل مقاله ISI 12 صفحه سال انتشار : 2012 سفارش ترجمه

A new preconditioner for the interface system arising in a fast Helmholtz solver

Keywords: معادله هلمهولتز; Electromagnetic scattering; Helmholtz equation; Nonlocal boundary condition; Optimal sine transform based approximation; Layered medium; Preconditioning

دانلود رایگان متن کامل مقاله ISI 13 صفحه سال انتشار : 2012 سفارش ترجمه

A stable discontinuous Galerkin-type method for solving efficiently Helmholtz problems

Keywords: معادله هلمهولتز; Helmholtz equation; Discontinuous Galerkin; Plane waves; Stability; Waveguide problems; Scattering problems

دانلود رایگان متن کامل مقاله ISI 15 صفحه سال انتشار : 2012 سفارش ترجمه

Acoustic scattering by multiple elliptical cylinders using collocation multipole method

Keywords: معادله هلمهولتز; Collocation multipole method; Acoustic scattering; Helmholtz equation; Mathieu functions; Elliptical cylinder; Far field scattering pattern

دانلود رایگان متن کامل مقاله ISI 16 صفحه سال انتشار : 2012 سفارش ترجمه

An efficient Wave Based Method for 2D acoustic problems containing corner singularities

Keywords: معادله هلمهولتز; Helmholtz equation; 2D acoustics; Corner singularities; Wave Based Method; Trefftz

دانلود رایگان متن کامل مقاله ISI 16 صفحه سال انتشار : 2012 سفارش ترجمه

A parallel fast algorithm for computing the Helmholtz integral operator in 3-D layered media

Keywords: معادله هلمهولتز; Helmholtz equation; Layered media; Green’s function; Window function; Fast multipole method; Tree-code

دانلود رایگان متن کامل مقاله ISI 16 صفحه سال انتشار : 2012 سفارش ترجمه

Iterative solution applied to the Helmholtz equation: Complex deflation on unstructured grids

Keywords: معادله هلمهولتز; Iterative solvers; Helmholtz equation; Deflation; Complex GMRES; Pollution effect

دانلود رایگان متن کامل مقاله ISI 17 صفحه سال انتشار : 2012 سفارش ترجمه

Parallel solution of high frequency Helmholtz equations using high order finite difference schemes

Keywords: معادله هلمهولتز; CARP-CG; Helmholtz equation; Heterogeneous domain; High frequency; High order scheme; L-shaped domain; Marmousi; Parallel processing;

دانلود رایگان متن کامل مقاله ISI 18 صفحه سال انتشار : 2012 سفارش ترجمه

A quasi-optimal non-overlapping domain decomposition algorithm for the Helmholtz equation

Keywords: معادله هلمهولتز; Helmholtz equation; Domain decomposition methods; Finite elements; Padé approximants

دانلود رایگان متن کامل مقاله ISI 19 صفحه سال انتشار : 2012 سفارش ترجمه

Three-dimensional solution for acoustic and transport problems using the radial basis integral equation method

Keywords: معادله هلمهولتز; RBIEM; 3D; Meshless approach; Helmholtz equation; Convection–diffusion equation

دانلود رایگان متن کامل مقاله ISI 19 صفحه سال انتشار : 2012 سفارش ترجمه

Solution of the 3D-Helmholtz equation in exterior domains using spherical harmonic decomposition

Keywords: معادله هلمهولتز; Helmholtz equation; Radiation; Scattering; Infinite domains

دانلود رایگان متن کامل مقاله ISI 24 صفحه سال انتشار : 2012 سفارش ترجمه

A dispersion minimizing finite difference scheme and preconditioned solver for the 3D Helmholtz equation

Keywords: معادله هلمهولتز; Helmholtz equation; Perfectly matched layer; Finite difference method; Preconditioner; Bi-CGSTAB; Shifted-Laplacian; Multigrid; Prolongation operator

دانلود رایگان متن کامل مقاله ISI 24 صفحه سال انتشار : 2012 سفارش ترجمه

Helmholtz equation in periodic media with a line defect

Keywords: معادله هلمهولتز; Exact-boundary conditions; Helmholtz equation; Unbounded media; Unbounded defects; Line defects

دانلود رایگان متن کامل مقاله ISI 30 صفحه سال انتشار : 2012 سفارش ترجمه

Energy concentration and explicit Sommerfeld radiation condition for the electromagnetic Helmholtz equation

Keywords: معادله هلمهولتز; Magnetic potential; Helmholtz equation; Sommerfeld condition; Energy concentration

دانلود رایگان متن کامل مقاله ISI 31 صفحه سال انتشار : 2012 سفارش ترجمه

On electromagnetic wave propagation in fractional space

Keywords: معادله هلمهولتز; Fractional space; Helmholtz equation; Wave propagation; Fractal media

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2011 سفارش ترجمه

A new fast multipole boundary element method for two dimensional acoustic problems

Keywords: معادله هلمهولتز; Fast multipole method; Boundary element method; Burton–Miller formulation; Helmholtz equation; Approximate inverse preconditioner; Acoustic problems

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2011 سفارش ترجمه

A second degree Newton method for an inverse obstacle scattering problem

Keywords: معادله هلمهولتز; Inverse scattering; Acoustic waves; Helmholtz equation; Newton iterations

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2011 سفارش ترجمه

A fast multipole boundary element method based on the improved Burton–Miller formulation for three-dimensional acoustic problems

Keywords: معادله هلمهولتز; Fast multipole method; Boundary element method; Helmholtz equation; Improved Burton–Miller formulation; Block diagonal preconditioner; Acoustic problems

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2011 سفارش ترجمه

Exterior cloaking with active sources in two dimensional acoustics

Keywords: معادله هلمهولتز; Active cloaking; Acoustic waves; Helmholtz equation; Green's formula74J05; 35J05

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2011 سفارش ترجمه

A meshless Galerkin least-square method for the Helmholtz equation

Keywords: معادله هلمهولتز; Acoustics; Meshless; Least-square; Dispersion; Helmholtz equation

دانلود رایگان متن کامل مقاله ISI 11 صفحه سال انتشار : 2011 سفارش ترجمه

Application of the Galerkin and Least-Squares Finite Element Methods in the solution of 3D Poisson and Helmholtz equations

Keywords: معادله هلمهولتز; Finite element method; Galerkin method; Diffusion; Solid; Poisson equation; Helmholtz equation

دانلود رایگان متن کامل مقاله ISI 12 صفحه سال انتشار : 2011 سفارش ترجمه

LpLp–LqLq estimates for electromagnetic Helmholtz equation

Keywords: معادله هلمهولتز; Dispersive equations; Helmholtz equation; Magnetic potential

دانلود رایگان متن کامل مقاله ISI 12 صفحه سال انتشار : 2011 سفارش ترجمه

GPU implementation of a Helmholtz Krylov solver preconditioned by a shifted Laplace multigrid method

Keywords: معادله هلمهولتز; GPU; Helmholtz equation; Krylov solvers; Shifted Laplace multigrid preconditioner

دانلود رایگان متن کامل مقاله ISI 13 صفحه سال انتشار : 2011 سفارش ترجمه

Optimized meshfree methods for acoustics

Keywords: معادله هلمهولتز; Meshfree methods; EFGM; RPIM; Dispersion; Helmholtz equation; Acoustics

دانلود رایگان متن کامل مقاله ISI 14 صفحه سال انتشار : 2011 سفارش ترجمه

Hardy space infinite elements for Helmholtz-type problems with unbounded inhomogeneities

Keywords: معادله هلمهولتز; Helmholtz equation; Resonance; Scattering; Transparent boundary condition; Non-reflecting boundary condition; Pole condition; Hardy space; Infinite element method

دانلود رایگان متن کامل مقاله ISI 14 صفحه سال انتشار : 2011 سفارش ترجمه

Absorbing boundary conditions for time harmonic wave propagation in discretized domains

Keywords: معادله هلمهولتز; Artificial boundary conditions; Perfectly matched layers; Discrete absorbing boundary conditions; Wave propagation; Helmholtz equation

دانلود رایگان متن کامل مقاله ISI 15 صفحه سال انتشار : 2011 سفارش ترجمه

A regularization method for solving the Cauchy problem for the Helmholtz equation

Keywords: معادله هلمهولتز; Tikhonov regularization; Helmholtz equation; Optimal error bound; a priori strategy; a posteriori; Morozov’s discrepancy principle

دانلود رایگان متن کامل مقاله ISI 15 صفحه سال انتشار : 2011 سفارش ترجمه

Compact optimal quadratic spline collocation methods for the Helmholtz equation

Keywords: معادله هلمهولتز; Helmholtz equation; Quadratic spline collocation; Matrix decomposition algorithms; Tridiagonal linear systems; Fast Fourier transforms; Optimal global convergence rates; Superconvergence

دانلود رایگان متن کامل مقاله ISI 16 صفحه سال انتشار : 2011 سفارش ترجمه

Numerical solution of electromagnetic scattering from a large partly covered cavity

Keywords: معادله هلمهولتز; 78M20; 65N22; 65N06Electromagnetic scattering; Helmholtz equation; Partly covered cavity; Layered medium preconditioning

دانلود رایگان متن کامل مقاله ISI 16 صفحه سال انتشار : 2011 سفارش ترجمه

A new theoretical error estimate of the method of fundamental solutions applied to reduced wave problems in the exterior region of a disk

Keywords: معادله هلمهولتز; 65N35; 35J05Wave problem; Helmholtz equation; Method of fundamental solutions; Dirichlet boundary value problem

دانلود رایگان متن کامل مقاله ISI 18 صفحه سال انتشار : 2011 سفارش ترجمه

An integral representation of the Green function for a linear array of acoustic point sources

Keywords: معادله هلمهولتز; Green function; Periodic domain; Rough-surface; High-frequency; Free-space; Helmholtz equation

دانلود رایگان متن کامل مقاله ISI 19 صفحه سال انتشار : 2011 سفارش ترجمه