搜索结果: 1-15 共查到“计算物理学 Method”相关记录15条 . 查询时间(0.171 秒)
A Space-time Smooth Artificial Viscosity Method For Nonlinear Conservation Laws
Space-time Smooth Artificial Viscosity Method Nonlinear Conservation Laws Computational Physics
2012/4/19
We introduce the $C$-method, a simple scheme for adding localized, space-time smooth, artificial viscosity to nonlinear systems of conservation laws which propagate shock waves, rarefactions, and cont...
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...
Incorporating Forcing Terms in Cascaded Lattice-Boltzmann Approach by Method of Central Moments
Incorporating Forcing Terms Cascaded Lattice-Boltzmann Approach Central Moments
2012/2/29
Cascaded lattice-Boltzmann method (Cascaded-LBM) employs a new class of collision operators aiming to improve numerical stability. It achieves this and distinguishes from other collision operators, su...
Solving the stationary Liouville equation via a boundary element method
Statistical energy analysis high-frequency asymptotics Liouville equation boundary element method
2012/2/29
Intensity distributions of linear wave fields are, in the high frequency limit, often approximated in terms of flow or transport equations in phase space. Common techniques for solving the flow equati...
Analysis of a Fast Fourier Transform Based Method for Modeling of Heterogeneous Materials
Homogenization Fast Fourier Transform Conjugate Gradients
2011/8/18
Abstract: The focus of this paper is on the analysis of the Conjugate Gradient method applied to a non-symmetric system of linear equations, arising from a Fast Fourier Transform-based homogenization ...
A framework for the analysis of scattering from complex objects using locally smooth surface parametrizations and the generalized method of moments
Generalized method of moments Locally smooth surface parametrizations Integral equations Acoustic scattering
2011/8/5
Abstract: The analysis of acoustic scattering from complex geometries is a problem with wide ranging applications from material evaluation to nondestructive testing, to diagnostic medicine. The abilit...
An O(N) Method for Rapidly Computing Periodic Potentials Using Accelerated Cartesian Expansions
Accelerated Cartesian Expansion ACE Fast Multipole Methods Periodic Systems
2011/8/4
Abstract: The evaluation of long-range potentials in periodic, many-body systems arises as a necessary step in the numerical modeling of a multitude of interesting physical problems. Direct evaluation...
An Iterative, Dynamically Stabilized(IDS) Method of Data Unfolding
Dynamically Stabilized(IDS) The regularization function
2011/9/2
We describe an iterative unfolding method for experimental data, making use of a regularization function. The use of this function allows one to build an
improved normalization procedure for Monte Ca...
Overlapping fragments method for electronic structure calculation of large systems
fragments method electronic structure calculation of large systems
2010/11/25
We present a method for the calculation of electronic structure of systems that contain tens of
thousands of atoms. The method is based on the division of the system into mutually overlapping
fragme...
Efficient linear scaling method for computing the thermal conductivity of disordered materials
Efficient linear scaling method thermal conductivity of disordered materials
2010/11/18
An efficient order−N real-space Kubo approach is developed for the calculation of the thermal
conductivity of complex disordered materials. The method, which is based on the Chebyshev polyno-mi...
The Complemented System Approach: A Novel Method for Calculating the X-ray Scattering from Computer Simulations
Complemented System Approach Method for Calculating the X-ray Scattering Computer Simulations
2010/11/19
In this paper, we review the main problem concerning the calculation of X-ray scattering of simulated model systems, namely their finite size. A novel method based on the Rayleigh–Debye–Gans approxima...
Transport calculations in complex materials: A comparison of the Kubo formula, the Kubo-Greenwood formula and the microscopic response method
Transport calculations complex materials Kubo-Greenwood formula microscopic response method
2010/11/18
Recently we have introduced the microscopic response method (MRM) to compute the conductivity
and Hall mobility for complex system with topological and thermal disorder, which is more
convenient tha...
Novel time-saving first-principles calculation method for electron-transport properties
first-principles calculation method electron-transport properties
2010/10/27
We present a time-saving simulator within the framework of the density functional theory to
calculate the transport properties of electrons through nanostructures suspended between semiinfinite elect...
A nonextensive method for spectroscopic data analysis with artificial neural networks
Nonextensive statistical mechanics Neural networks Pattern classification Spectroscopy
2010/7/5
In this paper we apply an evolving stochastic method to construct simple and effective Artificial Neural Networks, based on the theory of Tsallis statistical mechanics. Our aim is to establish an auto...
Anharmonic oscillators energies via artificial perturbation method
Anharmonic oscillators energies artificial perturbation method
2010/10/15
A new pseudoperturbative ( artificial in nature) methodical proposal [15] is used to solve for Schr¨odinger equation with a class of phenomenologically useful and methodically challenging anharmonic o...