搜索结果: 1-12 共查到“计算物理学 numerical”相关记录12条 . 查询时间(0.125 秒)
Geometric numerical schemes for the KdV equation
KdV equation symplectic scheme multi-symplectic scheme solitonic gas wave turbulence
2012/5/29
Geometric discretizations that preserve certain Hamiltonian structures at the discrete level has been proven to enhance the accuracy of numerical schemes. In particular, numerous symplectic and multi-...
Asymptotic Derivation and Numerical Investigation of Time-Dependent Simplified Pn Equations
Asymptotic Derivation Numerical Investigation Time-Dependent Simplified Pn Equations Computational Physics
2012/5/28
The steady-state simplified Pn (SPn) approximations to the linear Boltzmann equation have been proven to be asymptotically higher-order corrections to the diffusion equation in certain physical system...
Towards an efficient multiscale modeling of low-dimensional reactive systems: study of numerical closure procedures
efficient multiscale modeling low-dimensional reactive systems numerical closure procedures Computational Physics
2012/4/27
In this paper, we present a study on how to develop an efficient multiscale simulation strategy for the dynamics of chemically active systems on low-dimensional supports. Such reactions are encountere...
Numerical Study of the Properties of the Central Moment Lattice Boltzmann Method
Numerical Study Properties the Central Moment Lattice Boltzmann Method
2012/2/29
Central moment lattice Boltzmann method (LBM) is one of the more recent developments among the lattice kinetic schemes for computational fluid dynamics. A key element in this approach is the use of ce...
FlowPy - a numerical solver for functional renormalization group equations
FlowPy numerical solver functional renormalization group equations
2012/2/29
FlowPy is a numerical toolbox for the solution of partial differential equations encountered in Functional Renormalization Group equations. This toolbox compiles flow equations to fast machine code an...
Numerical Solution of the Time-Dependent Dirac Equation in Coordinate Space without Fermion-Doubling
Dirac equation Numerical method Fermion doubling problem Klein paradox Relativistic wave packet
2011/8/11
Abstract: The application of a recently developed numerical method for the solution of the time-dependent Dirac equation is presented. This numerical method, described in \cite{Lorin2011190}, is based...
Numerical Computations of Conductivities over Agglomerated Continuum Percolation Models
continuum percolation conductivity critical exponents agglomerated particles
2011/8/16
Abstract: We numerically investigate the conductivities of continuum percolation models consisting of overlapped particles using the finite difference method as a sequel of our previous article (Int. ...
Modeling near-field radiative heat transfer from sharp objects using a general 3d numerical scattering technique
Modeling near-field radiative heat transfer sharp objects 3d numerical scattering technique
2011/8/4
Abstract: We examine the non-equilibrium radiative heat transfer between a plate and finite cylinders and cones, making the first accurate theoretical predictions for the total heat transfer and the s...
OpenPh - Numerical Physics Library
numerical physics, MATLAB, quantum physics, classical mechanics, module, photoelectric effect, Schr鰀inger equation, vibration of a string
2011/9/15
Numerical physics has gained a lot of importance in the last decade, its efficiency being motivated and sustained by the growth of computational power. This paper presents a concept that is to be deve...
Proper Orthogonal Decomposition Closure Models For Turbulent Flows: A Numerical Comparison
Proper orthogonal decomposition, reduced-order modeling, turbulence,large eddy simulation, eddy viscosity, variational multiscale, dynamic subgrid-scale model
2011/9/2
This paper puts forth two new closure models for the proper orthogonal decomposition reduced-order modeling of structurally dominated turbulent ows: the dynamic subgrid-scale model and the variational...
Numerical Feynman integrals for density operator dynamics using more than one mesh: faster convergence and significant reduction of computational cost
Feynman integral path integral QUAPI Feynman-Vernon
2010/10/26
The Feynman integral is one of the most accurate methods for calculating density operator dy-
namics in open quantum systems. However, the number of time steps that can realistically be used is alway...
Numerical Solution of the Two-Dimensional Gross-Pitaevskii Equation for Trapped Interacting Atoms
Numerical Solution Two-Dimensional Gross-Pitaevskii Equation Trapped Interacting Atoms
2010/10/18
We present a numerical scheme for solving the time-independent nonlinear Gross-Pitaevskii equation in two dimensions describing the Bose-Einstein condensate of trapped interacting neutral atoms at zer...