中文
相关论文

相关论文: An algorithm based on DQM with modified trigonomet…

200 篇论文

An unconventional approach is applied to solve the one-dimensional Burgers' equation. It is based on spline polynomial interpolations and Hopf-Cole transformation. Taylor expansion is used to approximate the exponential term in the…

数值分析 · 数学 2023-09-22 Somrath Kanoksirirath

A fractional time derivative is introduced into the Burger's equation to model losses of nonlinear waves. This term amounts to a time convolution product, which greatly penalizes the numerical modeling. A diffusive representation of the…

计算物理 · 物理学 2016-06-14 Bruno Lombard , Denis Matignon

In this paper, the exponential B-spline Galerkin \ method is set up for getting the numerical solution of the Burgers' equation. Two numerical examples\ related to shock wave propogation and travelling wave are studied to illustrate the…

数值分析 · 数学 2016-12-13 M. Zorsahin Gorgulu , I. Dag , D. Irk

Spectral methods are renowned for their high accuracy and efficiency in solving partial differential equations. The Fourier pseudo-spectral method is limited to periodic domains and suffers from Gibbs oscillations in non-periodic problems.…

数值分析 · 数学 2025-12-09 Dongan Li , Mou Lin , Shunxiang Cao , Shengli Chen

The time dependent complex Schr\"odinger equation with cubic nonlinearity is solved by constructing differential quadrature algorithm based on sinc functions. Reduction to a coupled system of real equations enables to approach the space…

数值分析 · 数学 2018-04-11 Alper Korkmaz

This paper presents a numerical method to solve a time-fractional Burgers equation, achieving order of convergence $(2-\alpha)$ in time, here $\alpha$ represents the order of the time derivative. The fractional derivative is modeled by…

数值分析 · 数学 2025-08-29 Deeksha Singh , Swati Yadav , Rajesh K. Pandey

This article studies a direct numerical approach for fractional advection-diffusion equations (ADEs). Using a set of cubic trigonometric B-splines as test functions, a differential quadrature (DQ) method is firstly proposed for the 1D and…

数值分析 · 数学 2017-10-19 X. G. Zhu , Y. F. Nie , W. W. Zhang

In this study, we set up a numerical technique to get approximate solutions of Fisher's equation which is one of the most important model equation in population biology. We integrate the equation fully by using combination of the…

数值分析 · 数学 2016-04-26 Ozlem Ersoy , Idris Dag

In this paper, based on the developed nonlinear fourth-order operator and method of order reduction, a novel fourth-order compact difference scheme is constructed for the mixed-type time-fractional Burgers' equation, from which…

数值分析 · 数学 2022-09-02 Xiangyi Peng , Da Xu , Wenlin Qiu

In this work, high order splitting methods have been used for calculating the numerical solutions of the Burgers' equation in one space dimension with periodic and Dirichlet boundary conditions. However, splitting methods with real…

数值分析 · 数学 2014-10-17 Muaz Seydaoğlu , Utku Erdoğan , Turgut Öziş

In this article, we propose a fully-discrete scheme for the numerical solution of a nonlinear time-fractional biharmonic problem. This problem is first converted into an equivalent system by introducing a new variable. Then spatial and…

数值分析 · 数学 2024-03-19 Jitesh P. Mandaliya , Dileep Kumar , Sudhakar Chaudhary

This paper presents a new approach and methodology to solve the second order one dimensional hyperbolic telegraph equation with Dirichlet and Neumann boundary conditions using the cubic trigonometric B-spline collocation method. The usual…

数值分析 · 数学 2017-09-28 Tahir Nazir , Muhammad Abbas , Ahmad Izani Md. Ismail , Ahmad Abd. Majid

This work proposes an efficient space-time two-grid compact difference (ST-TGCD) scheme for solving the two-dimensional (2D) viscous Burgers' equation subject to initial and periodic boundary conditions. The proposed approach combines a…

数值分析 · 数学 2025-10-20 Xiangyi Peng , Lisen Ding , Wenlin Qiu

In this paper, we propose an efficient numerical scheme for the approximate solution of the time fractional diffusion-wave equation with reaction term based on cubic trigonometric basis functions. The time fractional derivative is…

数值分析 · 数学 2017-05-24 Muhammad Abbas

In this study,a new method was presented by developing Reduced differential transform method in order to find approximate solution of partial differential equations. Here, RDTM with fixed grid size algorithm was developed for the first time…

综合数学 · 数学 2015-12-31 Sema Servi , Yildiray Keskin , Galip Oturanc

The numerical simulation of the inviscid Burgers' equation is often hindered by spurious oscillations near discontinuities. To mitigate this issue, a viscous term can be introduced, leading to the viscous Burgers' equation. In this work,…

数值分析 · 数学 2026-05-14 Lorenzo Agostini , Michel Fournié , Ghislain Haine

We present a new approach to parallelization of the first-order backward difference discretization (BDF1) of the time derivative in partial differential equations, such as the nonlinear heat and viscous Burgers equations. The time…

数值分析 · 数学 2024-06-04 Nail K. Yamaleev , Subhash Paudel

We propose an Exponential DG approach for numerically solving partial differential equations (PDEs). The idea is to decompose the governing PDE operators into linear (fast dynamics extracted by linearization) and nonlinear (the remaining…

数值分析 · 数学 2021-08-11 Shinhoo Kang , Tan Bui-Thanh

In this paper, we develop regularized discrete least squares collocation and finite volume methods for solving two-dimensional nonlinear time-dependent partial differential equations on irregular domains. The solution is approximated using…

数值分析 · 数学 2019-06-26 Fanhai Zeng , Ian Turner , Kevin Burrage , Stephen J. Wright

Fault-tolerant quantum computing is a promising technology to solve linear partial differential equations that are classically demanding to integrate. It is still challenging to solve non-linear equations in fluid dynamics, such as the…

量子物理 · 物理学 2026-03-16 Fumio Uchida , Koichi Miyamoto , Soichiro Yamazaki , Kotaro Fujisawa , Naoki Yoshida