Results 11 to 20 of about 542,620 (267)
A detailed particle model for polydisperse aggregate particles [PDF]
Journal of Computational Physics, 2019 The mathematical description of a new detailed particle model for polydisperse aggregate particles is presented. An aggregate particle is represented as a collection of overlapping spherical primary particles and the model resolves the composition, radius and position coordinates of each individual primary to form a detailed geometrical description of ...
Casper Lindberg +5 more
openaire +3 more sources
Simple Particle Model for Low-Density Granular Flow Interacting with Ambient Fluid
Geosciences, 2020 To understand the time evolutions of frontal speed and shape in a low-density granular flow, we propose a simple particle model. This model solves the equation of motion for each particle and simulates the time evolution of low-density granular flow ...
Hirofumi Niiya +2 more
doaj +1 more source
A Particle System Model for Dengue Transmission
Communication in Biomathematical Sciences, 2017 Dengue disease has been known for decades as a vector-borne disease which is rapidly spreading in many tropical and subtropical countries. The disease is transmitted mostly by female Aedes aegypty mosquitoes.
Mona Zevika +2 more
doaj +1 more source
Model of a quantum particle in spacetime [PDF]
Journal of Physics A: Mathematical and General, 2001 Doplicher, Fredenhagen, and Roberts (1994, 1995) proposed a simple model of a particle in quantum spacetime. We give a new formulation of the model and propose some small changes and additions which improve the physical interpretation. In particular, we show that the internal degrees of freedom e and m of the particle represent external forces acting ...
Naudts, Jan, Kuna, Maciej
openaire +3 more sources
Physical Review E, 1998 We present a mechanistic model for a Newtonian fluid called fluid particle dynamics. By analyzing the concept of ``fluid particle'' from the point of view of a Voronoi tessellation of a molecular fluid, we propose an heuristic derivation of a dissipative particle dynamics algorithm that incorporates shear forces between dissipative particles.
openaire +2 more sources
Progress of Theoretical Physics, 1953 Possible models of V·particles, mainly concerned with VO (V10)·particles, are investigated in a systematic way on the basis of their characteristic features, one being experimental evidences and the other theoretical requirements such as the stability of nuclei and the charge independence.
openaire +1 more source
Effect of Flow Rate and Filter Efficiency on Indoor PM2.5 in Ventilation and Filtration Control
Atmosphere, 2020 Ventilation and filtration control play a critical role in determining indoor PM2.5 (particles less than 2.5 μm in aerodynamic diameter) concentrations of outdoor or indoor origin in residential environments.
Ji-Hye Kim, Myoung-Souk Yeo
doaj +1 more source
Back analysis of dynamic parameters of high earth-rock dam materials under weak earthquakes
Yantu gongcheng xuebao, 2020 In the case of weak earthquakes, a back analysis model considering interaction and radiation damping effects is proposed for dynamic parameters of earth-rock dams.
WANG Mao-hua 1, 2, CHI Shi-chun 1, 2, XIANG Biao 3, ZHOU Xiong-xiong 1, 2
doaj +1 more source
Diagnostyka, 2022 This paper proposes training an artificial neural network (ANN) by a particle swarm optimization (PSO) technique to predict the flashover voltage of outdoor insulators.
Belkebir Amel +2 more
doaj +1 more source
Dynamics and Wear Analysis of Hydraulic Turbines in Solid-liquid Two-phase Flow
Open Physics, 2019 To solve unstable operating and serious wearing of a hydraulic turbine in its overflow parts under solid-liquid two-phase flow, a particle model software and an inhomogeneous model in CFX are used to simulate the hydraulic turbine to understand the ...
Wang Liying, Li Bingyao, Zhao Weiguo
doaj +1 more source