Results 91 to 100 of about 29,809 (206)

Phase field modeling and computation of vesicle growth or shrinkage. [PDF]

J Math Biol, 2023
Tang X, Li S, Lowengrub JS, Wise SM.
europepmc   +1 more source

Multigrid methods for bifurcation problems: The self adjoint case [PDF]

This paper deals with multigrid methods for computational problems that arise in the theory of bifurcation and is restricted to the self adjoint case.
Taasan, Shlomo
core   +1 more source

Linear-Time Solution of 3D Magnetostatics With Aggregation-Based Algebraic Multigrid Solvers

IEEE Access
Two different approaches for the linear-time solution of three-dimensional magnetostatic field problems encompassing large-scale linear systems with millions of degrees of freedom are presented.
Federico Moro, Lorenzo Codecasa, Artem Napov   +2 more
doaj   +1 more source

Self-Supervised Learning for Point-Cloud Classification by a Multigrid Autoencoder. [PDF]

Sensors (Basel), 2022
Zhai R, Song J, Hou S, Gao F, Li X.
europepmc   +1 more source

Enhanced multigrid solver for anisotropic equations with non-standard components: 3-Color Jacobi, mesh-tripling, and Fourier Analysis

Partial Differential Equations in Applied Mathematics
In this paper, we introduce an enhanced multigrid solver that offers an efficient solution method which is quite robust across a variety of boundary value problems.
Muhammad Shahid Ashraf, H. bin Zubair Syed   +1 more
doaj   +1 more source

Mapping implicit spectral methods to distributed memory architectures [PDF]

Spectral methods were proven invaluable in numerical simulation of PDEs (Partial Differential Equations), but the frequent global communication required raises a fundamental barrier to their use on highly parallel architectures.
Overman, Andrea L., Vanrosendale, John
core   +1 more source

Efficient Frequency Sweep in RF Devices Simulation: A Combined Approach of Asymptotic Waveform Evaluation and Multigrid Solver

Engineering Reports
This paper presents a combined approach to accelerate frequency sweeping in the simulation of radio frequency (RF) devices, a critical process in the design and optimization of high‐performance RF systems.
Lingzhi Ren, Tao Li, Haili Zhang
doaj   +1 more source

NUMERICAL SOLUTION OF 2-D EULER EQUATIONS WITH MULTIGRID

Havacılık ve Uzay Teknolojileri Dergisi, 2007
A multigrid scheme is applied to accelerate the convergence of numerical solution of two dimensional Euler equations to steady state. Cell-centered finite volume method with central differencing scheme is used for discretization. Explicit multistage time-
Murat Uygun , Kadir Kırkköprü
doaj  

A Note on the Convergence of Multigrid Methods for the Riesz–Space Equation and an Application to Image Deblurring

Mathematics
In recent decades, a remarkable amount of research has been carried out regarding fast solvers for large linear systems resulting from various discretizations of fractional differential equations (FDEs). In the current work, we focus on multigrid methods
Danyal Ahmad, Marco Donatelli, Mariarosa Mazza, Stefano Serra-Capizzano, Ken Trotti   +4 more
doaj   +1 more source

Multigrid methods [PDF]

Numerical Linear Algebra with Applications, 2012
openaire   +1 more source