نتایج جستجو برای: cumulative motion algorithm of particles

تعداد نتایج: 21245137  

2009
TAPIO SIMULA MIKKO STENLUND

This paper concerns the propagation of particles through a quenched random medium. In the oneand two-dimensional models considered, the local dynamics is given by expanding circle maps and hyperbolic toral automorphisms, respectively. The particle motion in both models is chaotic and found to fluctuate about a linear drift. In the proper scaling limit, the cumulative distribution function of th...

Introduction Studying motility of biological objects is an important parameter in many biomedical processes. Therefore, automated analyzing methods via microscopic videos are becoming an important step in recent researches. Materials and Methods In the proposed method of this article, a hypothesis testing function is defined to separate biological particles from artifact and noise in captured v...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2010
Marc Busse Piotr Pietrulewicz Heinz-Peter Breuer Klaus Hornberger

We develop a Monte Carlo wave function algorithm for the quantum linear Boltzmann equation, a Markovian master equation describing the quantum motion of a test particle interacting with the particles of an environmental background gas. The algorithm leads to a numerically efficient stochastic simulation procedure for the most general form of this integrodifferential equation, which involves a f...

2012
J. S. DAHLER

A kinetic theory for the Brownian motion of spherical rotating particles is given starting from a generalized Fokker-Planck equation. The generalized Fokker-Planck collision operator is a sum of two ordinary Fokker-Planck differential operators in velocity and angular velocity space respectively plus a third term which provides a coupling of translational and rotational motions. This term stems...

M. Rashidi Moghadam, M. Shahrouzi ,

Stochastic nature of earthquake has raised a challenge for engineers to choose which record for their analyses. Clustering is offered as a solution for such a data mining problem to automatically distinguish between ground motion records based on similarities in the corresponding seismic attributes. The present work formulates an optimization problem to seek for the best clustering measures. In...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده مهندسی مکانیک 1387

در این پروژه هدف بهینه سازی عملکرد سیستم تعلیق نوعی خودروی خدمات شهری می باشد. بدین منظور با استفاده از مدل سازی ارتعاشاتی سیستم تعلیق در حالات یک چهارم خودرو، نصف خودروی طولی و مدل کامل خودرو به استخراج معادلات حرکت پرداخته شده است. با استفاده از مدل های مختلف بهینه سازی به علت افزایش تعداد درجات آزادی سیستم تعلیق مدل شده، کارایی آن افزایش می یابد زیرا به مدل خودروی واقعی نزدیک تر شده و پارامت...

Journal: :International Astronomical Union Colloquium 1985

In this paper multi objective optimization problem for partitioning process of VLSI circuit optimization is solved using IPO algorithm. The methodology used in this paper is based upon the dynamic of sliding motion along a frictionless inclined plane. In this work, modules and elements of the circuit are divided into two smaller parts (components) in order to minimize the cutsize and area imbal...

Journal: :Journal of Physics: Conference Series 2012

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