搜索结果: 91-105 共查到“理学 Simulation”相关记录512条 . 查询时间(0.064 秒)
Rare event simulation for processes generated via stochastic fixed point equations
Monte Carlo methods importance sampling perpetuities large deviations nonlinear renewal theory Harris recurrent Markov chains
2011/9/13
Abstract: In a number of applications, particularly in financial and actuarial mathematics, it is of interest to characterize the tail distribution of a random variable V satisfying the distributional...
Simulation of spin-polarized scanning tunneling microscopy on complex magnetic surfaces: The case of a Cr monolayer on Ag(111)
spin-polarized scanning tunneling complex magnetic surfaces Cr monolayer Ag
2011/8/17
Abstract: We propose an atom-superposition-based method for simulating spin-polarized scanning tunneling microscopy (SP-STM) from first principles. Our approach provides bias dependent STM images in h...
Developments in perfect simulation for Gibbs measures
Perfect Simulation Stochastic Order Gibbs Measures
2011/8/30
Abstract: This paper deals with the problem of perfect sampling from a Gibbs measure with infinite range interactions. We present some sufficient conditions for the extinction of processes which are l...
Simplicial gauge theory and quantum gauge theory simulation
Lattice gauge theory QCD Finite element method
2011/9/29
Abstract: We propose a general formulation of simplicial lattice gauge theory inspired by the finite element method. Numerical tests of convergence towards continuum results are performed for several ...
Large Eddy Simulation for Turbulent Flows with Critical Regularization
Turbulence models existence weak solution
2011/8/29
Abstract: In this paper, we establish the existence of a unique "regular" weak solution to the Large Eddy Simulation (LES) models of turbulence with critical regularization. We first consider the crit...
Molecular dynamics simulation of the recrystallization of amorphous Si layers: Comprehensive study of the dependence of the recrystallization velocity on the interatomic potential
Molecular dynamics simulation amorphous Si layers the recrystallization velocity
2011/8/3
Abstract: The molecular dynamics method is applied to simulate the recrystallization of an amorphous/crystalline silicon interface. The atomic structure of the amorphous material is constructed with t...
CMS: Cosmic muons in simulation and measured data
CMS Cosmic muons simulation measured data
2011/10/18
A dedicated cosmic muon Monte-Carlo event generator CMSCGEN has been developed for the CMS experiment. The simulation relies on parameterisations of the muon energy and the incidence angle, based on m...
Abstract: We present a new representation for the Levy chordal area for a two-dimensional Wiener process conditioned on its endpoints. This is based on an infinite weighted sum of Logistic random vari...
On modeling and simulation of surfactants in diffuse interface flow
modeling and simulation surfactants interface flow
2011/9/29
An existing phase- eld model of two immiscible uids with a single soluble surfactant present is discussed in detail. We analyze the well-posedness of the model and show that it is mathematically ill-p...
Performance simulation of a MRPC-based PET Imaging System
MRPC-based Imaging System Performance simulation
2011/9/8
The low cost and high resolution gas-based Multi-gap Resistive Plate Chamber (MRPC) opens a new possibility to find an efficient alternative detector for Time of Flight (TOF) based Positron Emission T...
Evaluation of Phonon-level Density of UO2 by Molecular Dynamics Simulation
Molecular dynamics Phonon-level density Velocity auto-correlation function Uranium dioxide
2012/4/5
Molecular dynamics calculation of UO2 in a wide temperature range are presented and dis-cussed. The calculated lattice parameters, mean square displacements, and dynamic prop-erty of phonon-level dens...
Dynamics Modeling and Simulation for Main Drive System of Automatic Cutter
Cutter Machine Dynamic Balance Dynamical Modeling Main Transmission
2011/12/15
Aiming at the Multi-layer leather cutting machine,for the more thicker material paved on the table,the cutting resistance are increased and the cutter are to be need much more longer,this caused the c...
Solid phase epitaxy amorphous silicon re-growth: some insight from empirical molecular dynamics simulation
Nucleation and growth Theory and models of film growth
2011/9/1
The modelling of interface migration and the associated diffusion mechanisms at the nanoscale level is a challenging issue. For many technological applications ranging from nanoelectronic devices to s...
Calculation technique for simulation of wave and fracture dynamics in a reinforced sheet
simulation of wave fracture dynamics reinforced sheet Computational Physics
2011/7/27
Abstract: Mathematical models and computer algorithms are developed to calculate dynamic stress concentration and fracture wave propagation in a reinforced composite sheet. The composite consists of a...
Calculation technique for simulation of wave and fracture dynamics in a reinforced sheet
Calculation technique wave and fracture dynamics
2011/8/30
Mathematical models and computer algorithms are developed to calculate dynamic stress concentration and fracture wave propagation in a reinforced composite sheet. The composite consists of a regular s...