نتایج جستجو برای: mesoscale modeling

تعداد نتایج: 395880  

Journal: :J. Comput. Physics 2017
Grigoriy M. Drozdov Igor Ostanin Ivan V. Oseledets

We apply the modern technique of approximation of multivariate functions tensor train cross approximation to the problem of the description of physical interactions between complex-shaped bodies in a context of computational nanomechanics. In this note we showcase one particular example van der Waals interactions between two cylindrical bodies relevant to modeling of carbon nanotube systems. Th...

2010
James D. Doyle

Our approach is to follow a methodical plan in the development and testing of a nonhydrostatic microscale modeling system that will leverage the existing COAMPS and new model prototypes. Our work on numerical methods will involve investigation of spatial and temporal discretization algorithms that are superior to the current generation leap-frog, second-order accurate numerical techniques prese...

2002
JASON C. KNIEVEL RICHARD H. JOHNSON

The authors present a unique, scale-discriminating study of the environment-relative circulations within a mesoscale convective system (MCS) and mesoscale convective vortex (MCV). The MCS, a leading convective line and trailing stratiform region that became asymmetric, passed through the National Oceanic and Atmospheric Administration (NOAA) Profiler Network (NPN) in Kansas and Oklahoma on 1 Au...

2012
Richard H. Johnson

Observations from the International Winter Monsoon Experiment (Winter MONEX) have been analyzed to determine the nature of the vertical motion field within mesoscale deep convective systems that occurred during December 1978 over the southern portion of the South China Sea. Vertical motion has been computed using rawinsonde data from a nearly equilateral triangle (*400km on a side) of Soviet re...

2007
A. Ananthanarayanan S. K. Gupta H. A. Bruck Z. Yu Arvind Ananthanarayanan Satyandra K. Gupta Hugh A. Bruck Zuyuan Yu Kamlakar P Rajurkar

In-mold Assembly process at the mesoscale presents several manufacturing challenges. Results reported in this paper demonstrate the technical feasibility of creating rigid body mesoscale revolute joints using In-Mold Assembly process. The following new results are reported in this paper. First, we describe a mold design with varying cavity shape to perform In-Mold Assembly. This mold design use...

2017
Rongxin Zhou Zhenhuan Song Yong Lu

Concrete is non-homogeneous and is composed of three main constituent phases from a mesoscopic viewpoint, namely aggregates, mortar matrix, and interface transition zone (ITZ). A mesoscale model with explicit representation of the three distinctive phases is needed for investigation into the damage processes underlying the macroscopic behaviour of the composite material. This paper presents a f...

2014
M. Bogdanova Sergey Belousov Ilya Valuev A. Zakirov M. Okun D. Shirabaykin V. Chorkov P. Tokar A. Knizhnik B. Potapkin A. Bagaturyants K. Komarova M. N. Strikhanov A. A. Tishchenko V. R. Nikitenko V. M. Sukharev N. A. Sannikova Igor V. Morozov

We present a simulat ion platform which serves as an integrated framework for multiscale and multiphysics modeling of Organic Light Emitting Diodes (OLEDs) and their components. The platform is aimed at the designers of OLEDs with various areas of expert ise ranging from the fundamental theory to the manufacturing technology. The platform integrates an extendable set of inhouse and third-party ...

2000
G. A. Dalu R. A. Pielke P. L. Vidale M. Baldi

We present an analytical evaluation and interpretation on how diabatic heating of the convective boundary layer (CBL) is transported upward into the midtroposphere by mesoscale flows, and how the air mixes with the environment and therefore weakens the atmospheric static stability. The thermodynamic imprint on the free atmosphere due to the irreversible processes such as mixing, dissipation, an...

2013
Jing Yang Pu Zhang Chenchen Meng Jie Su Zhe Wei Fenfen Zhang Wei Wei Xiujuan Zhao

The Southern Hebei of China has experienced an obvious increase of the haze occurrence frequency in the recent years. It has turned out to be one of the most seriously polluted areas in China. This study is aimed at quantifying the sources of the serious haze pollution over the Southern Hebei area, using the Mesoscale Modeling System Generation 5 (MM5) and the Models-3/Community Multiscale Air ...

2002
M. R. W. R. A. PIELKE

The impact of thermally induced valley/ridge circulations on the regional-scale transport of pollutants is examined using a modeling approach. The approach consists of applying a numerical meteorological model which provides the wind and turbulence fields used as input to a Lagrangian dispersion model. A variety of generic simulations were performed. Results indicate a significant effect of the...

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