搜索结果: 46-60 共查到“知识库 计算物理学”相关记录368条 . 查询时间(7.585 秒)
Colored-noise thermostats a la carte
Colored-noise thermostats a la carte Computational Physics
<
2012/4/19
Recently, we have shown how a colored-noise Langevin equation can be used in the context of molecular dynamics as a tool to obtain dynamical trajectories whose properties are tailored to display desir...
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...
We present a simple algorithm to locate the onset and bifurcation points of period-n cycles of the logistic map and some related maps. For the logistic, H\'enon and cubic map, we computed the polynomi...
Solution of the Schrodinger equation containing a Perey-Buck nonlocality
Solution of the Schrodinger equation Perey-Buck nonlocality Computational Physics
<
2012/4/19
The solution of a radial Schr\"odinger equation for {\psi}(r) containing a nonlocal potential of the form \int{K(r,r') {\psi}(r') dr'} is obtained to high accuracy by means of two methods. An applicat...
Sensitivity computation of periodic and chaotic limit cycle oscillations
Sensitivity analysis linear response adjoint equation unsteady adjoint chaos statistical average
<
2012/4/19
Sensitivity analysis can be a powerful tool for multi-disciplinary design optimization of nonlinear flow structure interaction. For computing sensitivity of time averaged quantities in chaotic oscilla...
Quantification of group chasing and escaping process
Quantification of group chasing escaping process Computational Physics
<
2012/4/19
We study a simple group chase and escape model by introducing new parameters with which configurations of chasing and escaping in groups are classified into three characteristic patterns. In particula...
A mesoscopic model for microscale hydrodynamics and interfacial phenomena: Slip, films, and contact angle hysteresis
mesoscopic model microscale hydrodynamics interfacial phenomena angle hysteresis
<
2012/2/29
We present a model based on the lattice Boltzmann equation that is suitable for the simulation of dynamic wetting. The model is capable of exhibiting fundamental interfacial phenomena such as weak ads...
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...
Effect of finite terms on the truncation error of Mie series
finite terms truncation error Mie series
<
2012/2/29
The finite sum of the squares of the Mie coefficients is very useful for addressing problems of classical light scattering. An approximate formula available in the literature, and still in use today, ...
Epitaxial growth mechanisms of graphene and effects of substrates
Epitaxial growth mechanisms graphene effects of substrates
<
2012/2/29
The growth process of single layer graphene with and without substrate is investigated using ab-initio, finite temperature molecular dynamic calculations within density functional theory. An understan...
Prediction of a novel monoclinic carbon allotrope
Prediction novel monoclinic carbon allotrope
<
2012/2/29
A novel allotrope of carbon with $P2/m$ symmetry was identified during an \emph{ab-initio} minima-hopping structural search which we call $M10$-carbon. This structure is predicted to be more stable th...
Simple absorbing boundary conditions for wave simulations with Smoothed Particle Hydrodynamics
Fluid Mechanics Boundary condition Absorbing layer Lagrangian numerical method SPH
<
2012/2/29
We study and implement a simple method, based on the Perfectly Matched Layer approach, to treat non reflecting boundary conditions with the Smoothed Particles Hydrodynamics numerical algorithm. The me...
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...
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...
Global Calculations of Density Waves and Gap Formation in Protoplanetary Disks using a Moving Mesh
Global Calculations Density Waves Gap Formation Protoplanetary Disks Moving Mesh
<
2012/2/29
We calculate the global quasi-steady state of a thin disk perturbed by a low-mass protoplanet orbiting at a fixed radius using extremely high-resolution numerical integrations of Euler's equations in ...