筛选条件 共查询到500条结果
排序方式
Eigenvalues of Quaternion Tensors with Applications to Color Video Processing

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 94 (1)

This paper studies the eigenvalues of quaternion tensors and their applications. Firstly, we investigate the definitions and properties of the left an......

An Exactly Curl-Free Staggered Semi-Implicit Finite Volume Scheme for a First Order Hyperbolic Model of Viscous Two-Phase Flows with Surface Tension

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 94 (1)

In this paper, we present a pressure-based semi-implicit numerical scheme for a first order hyperbolic formulation of compressible two-phase flow with......

Spectral Analysis of High Order Continuous FEM for Hyperbolic PDEs on Triangular Meshes: Influence of Approximation, Stabilization, and Time-Stepping

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 94 (3)

In this work we study various continuous finite element discretization for two dimensional hyperbolic partial differential equations, varying the poly......

On Spectral Petrov-Galerkin Method for Solving Optimal Control Problem Governed by Fractional Diffusion Equations with Fractional Noise

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 94 (3)

In this paper, a spectral Petrov-Galerkin method is developed to solve an optimal control problem governed by a two-sided space-fractional diffusion-r......

High-Order CENO Finite-Volume Scheme with Anisotropic Adaptive Mesh Refinement: Efficient Inexact Newton Method for Steady Three-Dimensional Flows

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 94 (3)

A high-order finite-volume scheme with anisotropic adaptive mesh refinement (AMR) is combined with a parallel inexact Newton method for the solution o......

Error Estimates of Conforming Virtual Element Methods with a Modified Symmetric Nitsche's Formula for 2D Semilinear Parabolic Equations

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 95 (3)

In this paper, we study the H1-conforming virtual element method for the spatial discretization of semilinear parabolic equations with inhomogeneous D......

A Semi Matrix-Free Twogrid Preconditioner for the Helmholtz Equation with Near Optimal Shifts

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 95 (3)

Due to its significance in terms of wave phenomena a considerable effort has been put into the design of preconditioners for the Helmholtz equation. O......

A Conforming Virtual Element Method Based on Unfitted Meshes for the Elliptic Interface Problem

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 96 (1)

In this paper, we propose a conforming virtual element method based on an unfitted mesh to solve the elliptic interface problem in two dimensions. The......

Nonmonotone Globalization for Anderson Acceleration via Adaptive Regularization

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 96 (1)

Anderson acceleration (AA) is a popular method for accelerating fixed-point iterations, but may suffer from instability and stagnation. We propose a g......

An Improved Arrow-Hurwicz Method for the Steady-State Navier-Stokes Equations

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 96 (2)

This paper presents a novel Arrow-Hurwicz type method for approximating the steady-state Navier Stokes equations using the finite element method. The ......

Stochastic Gauss-Newton Algorithms for Online PCA

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 96 (3)

In this paper, we propose a stochastic Gauss-Newton (SGN) algorithm to study the online principal component analysis (OPCA) problem, which is formulat......

A Generalized Non-convex Method for Robust Tensor Completion

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 96 (3)

In this paper, we concentrate on the robust tensor completion (RTC) problem, which aims to recover a low-rank tensor from partial observations corrupt......

Some Optimally Convergent Algorithms for Decoupling the Computation of Biot's Model

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 97 (2)

We study numerical algorithms for solving Biot's model. Based on a three-field reformulation, we present some algorithms that are inspired by the work......

On the Polyhedral Homotopy Method for Solving Generalized Nash Equilibrium Problems of Polynomials

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 95 (1)

The generalized Nash equilibrium problem (GNEP) is a kind of game to find strategies for a group of players such that each player's objective function......

Implicit Gradients Based Conservative Numerical Scheme for Compressible Flows

期刊: JOURNAL OF SCIENTIFIC COMPUTING, 2023; 95 (1)

This paper introduces a novel approach to compute the numerical fluxes at the cell boundaries for a cell-centered conservative numerical scheme. Expli......

共500条页码: 1/34页15条/页