搜索结果: 1-15 共查到“物理学 simulations”相关记录62条 . 查询时间(0.142 秒)
In the quest for fusion energy, understanding how radio-frequency (RF) waves travel (or “propagate”) in the turbulent interior of a fusion furnace is crucial to maintaining an efficient, continuously ...
Sensitivity Analysis of Spectral Indices to Ozone Absorption Using Physical Simulations in a Forest Environment: Comparative Study between MODIS, SPOT VéGéTATION & AVHRR
Spectral Indices Ozone Absorption Using Physical Simulations
2015/7/29
Considering a forest cover (Balsam Fir with various densities) we analyze the sensitivity of several vegetation indices to
ozone absorption using physical simulations in the spectral bands of MODIS,...
APPLICATION OF LIDAR DATA AND 3D-CITY MODELS IN VISUAL IMPACT SIMULATIONS OF TALL BUILDINGS
Tall Buildings 3D Isovists Visual Impact
2015/5/7
The paper examines possibilities and limitations of application of Lidar data and digital 3D-city models to provide specialist urban analyses of tall buildings. The location and height of tall build...
Superfluid-Insulator Transition in Commensurate Disordered Bosonic Systems: Large-Scale Worm Algorithm Simulations
Monte carlo simulation insulator dynamics
2014/12/20
We report results of large-scale Monte Carlo simulations of superfluid-insulator transitions in disordered commensurate 2D bosonic systems. In the off-diagonal disorder case, we find that the transiti...
Overcoming the slowing down of flat-histogram Monte Carlo simulations: Cluster updates and optimized broad-histogram ensembles
Monte carlo simulation energy d ferromagnetic ising model
2014/12/20
We study the performance of Monte Carlo simulations that sample a broad histogram in energy by determining the mean first-passage time to span the entire energy space of d-dimensional ferromagnetic Is...
Understanding temperature and chemical potential using computer simulations
Monte carlo temperature chemical potential
2014/12/20
Several Monte Carlo algorithms and applications that are useful for understanding the concepts of temperature and chemical potential are discussed. We then introduce a generalization of the demon algo...
Worm Algorithm for Continuous-Space Path Integral Monte Carlo Simulations
Integral monte carlo method the worm simulation lattice model the continuous spatial multibody system thermodynamics
2014/12/20
We present a new approach to path integral Monte Carlo (PIMC) simulations based on the worm algorithm, originally developed for lattice models and extended here to continuous-space many-body systems. ...
Worm algorithm and diagrammatic Monte Carlo: A new approach to continuous-space path integral Monte Carlo simulations
Worm algorithm quantum multibody system thermodynamic properties continuous space
2014/12/20
A detailed description is provided of a new worm algorithm, enabling the accurate computation of thermodynamic properties of quantum many-body systems in continuous space, at finite temperature. The a...
Molecular-dynamics Simulations of Stacking-fault-induced Dislocation Annihilation in Pre-strained Ultrathin Single-crystalline Copper Films
Molecular dynamics dynamic deformation metal structure
2014/12/19
We report results of large-scale molecular-dynamics (MD) simulations of dynamic deformation under biaxial tensile strain of pre-strained single-crystalline nanometerscale- thick face-centered cubic (f...
Replica Exchange Monte Carlo Simulations of the Ising Spin Glass: Static and Dynamic Properties
Monte Carlo spin glass
2014/11/20
Spin glasses have been the subject of intense study and considerable controversy for decades, and the low-temperature phase of short-range spin glasses is still poorly understood. Our main goal is to ...
In this thesis we report experimental and simulation study of granular gases. As a non-equilibrium system composed of macroscopic particles, a granular gas often shows a picture similar to a molecular...
Rethinking Electrostatic Solvers in Particle Simulations for the Exascale Era
Rethinking Electrostatic Solvers Particle Simulations the Exascale Era Computational Physics
2012/5/31
In preparation to the exascale era, an alternative approach to calculate the electrostatic forces in Particle Mesh (PM) methods is proposed. While the traditional techniques are based on the calculati...
Electronic transport coefficients from ab initio simulations and application to dense liquid hydrogen
Electronic transport coefficients ab initio simulations liquid hydrogen Plasma Physics
2012/5/17
Using Kubo's linear response theory, we derive expressions for the frequency-dependent electrical conductivity (Kubo-Greenwood formula), thermopower, and thermal conductivity in a strongly correlated ...
Hydrogen and deuterium in shock wave experiments, ab initio simulations and chemical picture modeling
Hydrogen and deuterium ab initio simulations chemical picture modeling Plasma Physics
2012/5/17
We present equation of state data of shock compressed hydrogen and deuterium. These have been calculated in the physical picture by using {\it ab initio} molecular dynamics simulations based on finite...
Microinstabilities at perpendicular collisionless shocks: A comparison of full particle simulations with different ion to electron mass ratio
Microinstabilities perpendicular collisionless shocks comparison of full particle simulations electron mass ratio Plasma Physics
2012/4/24
A full particle simulation study is carried out for studying microinstabilities generated at the shock front of perpendicular collisionless shocks. The structure and dynamics of shock waves are determ...