搜索结果: 1-12 共查到“spectral method”相关记录12条 . 查询时间(0.125 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Structure-Preserving Spectral Method for Large-Scale MHD System Simulation
MHD 系统仿真 保结构谱
2023/11/6
Structure-preserving numerical methods are crucial for achieving long-time accurate, stable, consistent and physically meaningful simulations. In this talk, we present H^1 and H(div) conforming spectr...
Time Spectral Method for Rotorcraft Flow with Vorticity Confinement
Time Spectral Method Rotorcraft Flow Vorticity Confi nement
2015/7/2
This paper follows up on the authors’ recent paper.1It is shown here that it is possible to obtain reasonable improvement in the results utilizing Vorticity Confinement method. The previous pape...
Application of the Time Spectral Method to Periodic Unsteady Vortex Shedding
Time Spectral Method Periodic Unsteady Vortex Shedding
2015/7/2
The Time Spectral method has been proposed for the fast and efficient computation of periodic unsteady flows. The algorithm has been validated with both 2D and 3D test cases and applied suc...
Time Spectral Method for Periodic Unsteady Computations over Two- and Three- Dimensional Bodies
Time Spectral Method Periodic Unsteady Computations Dimensional Bodies
2015/7/2
The Time Spectral Algorithm is proposed for the fast and efficient computation of time periodic turbulent Navier-Stokes calculations past two- and three-dimensional bodies.
Time Spectral Method for Rotorcraft Flow with Vorticity Confinement
Vorticity Confi nement Rotorcraft Flow
2015/6/18
These comprise a four dimensional coupled space–time set of
nonlinear equations, which need to be solved simultaneously. For
this purpose we introduce a pseudo time derivative term to
equation (2),...
A Spectral Method in Time for Initial-Value Problems
Initial-Value Problem WRM Time-Spectral Spectral Method Chebyshev Polynomial Fluid Mechanics MHD
2013/1/30
A time-spectral method for solution of initial value partial differential equations is outlined. Multivariate Chebyshev series are used to represent all temporal, spatial and physical parameter domain...
A Second Order Finite Difference-Spectral Method for Space Fractional Diffusion Equation
A Second Order Finite Difference-Spectral Method Space Fractional Diffusion Equation
2012/8/7
A high order finite difference-spectral method is derived for solving space fractional diffusion equations, by combining the second order finite difference method in time and the spectral Galerkin met...
A Bloch decomposition based split-step pseudo spectral method for quantum dynamics with periodic potentials
Schrodinger equation Bloch decomposition time-splitting spectral method semiclassical asymptotics lattice potential
2012/5/24
We present a new numerical method for accurate computations of solutions to (linear) one dimensional Schr\"odinger equations with periodic potentials. This is a prominent model in solid state physics ...
Spectral Method for Exploring Patterns of Diblock Copolymers
Self-consistent field theory Diblock copolymer melt Initial value Phases Matsen-Schick’s method
2015/5/6
A numerical method in Fourier space is developed to solve the polymeric self-consistent field equations. The method does not require a priori sym-metric information. More significantly, periodic struc...
In this paper, we consider the numerical solution of quasi-parabolic equations of higher order by a spectral method, and propose a computational formula. We give an error estimate of approximate solut...
CONVERGENCE OF SPECTRAL METHOD IN TIME FOR BURGERS' EQUATION
Spectral method Burgers' equ
2007/12/11
For solving Burgers' equation with periodic boundary conditions, this paper preseats a fully spectral discretisation method: Fourier Galerkin approximation in the spatial direction and Chebyshev pseud...
Prospect of Using Ascorbate Oxidase from Satsuma Mandarin (Citrus unshiu Marc) for Ascorbic Acid Determination by the Difference Spectral Method
ascorbate oxidase ascorbic acid satsuma mandarin
2010/11/22
Ascorbate oxidase (AAO) obtained from the young fruits of satsuma mandarin was utilized for the enzymatic determination of ascorbic acid (AsA) based on the difference spectral method as a possible new...