نتایج جستجو برای: obstacle porosity

تعداد نتایج: 39706  

Journal: :Theory and Practice in Language Studies 2019

Journal: :International Journal of Thermal Sciences 2022

In thin electrode applications, as the ratio of obstacle size with respect to system increases, issues such finite-size effects become more influential in transport heat and mass within a porous structure. This study presents numerical approach evaluate on transfer electrodes. particular, simulations based lattice Boltzmann method (LBM) are employed analyze pore-scale phenomena. Analyzing resul...

2003
Linan Zhang V. Deutsch

Optimal reservoir management requires reliable reservoir performance forecasts with as little uncertainty as possible. There is a need for improved techniques for dynamic data intergration to construct realistic reservoir models by using geostatistical techniques. This paper gives a method to create porosity models that honor interpreted pore volumes from well test data. Well porosity data, sei...

2001
Jack Dvorkin Mario A. Gutierrez

Grain size distribution (sorting) is determined by deposition. It may affect sediment bulk and elastic properties in a non-linear and non-unique way. The quantification of these relations is important for seismic reservoir characterization, especially in geological settings where sand/shale (bimodal) mixtures are present. Below, effective-medium equations are introduced for calculating the poro...

Background and Objectives: Given the limited number of studies on Ramadan fasting and military performance, we conducted this study to identify the effect of Ramadan fasting on physical fitness performances in army cadets. Methods: Twenty healthy males were randomly selected from a larger sample group. The subjects were divided into fasting (n=10) and non-fasting (n=10) groups. They performed v...

This study presents the effect of porosity on mechanical behaviors of a power distribution functionally graded beam. The Euler-Bernoulli beam is assumed to describe the kinematic relations and constitutive equations. Because of technical problems, particle size shapes and micro-voids are created during the fabrication which should be taken into consideration. Two porosity models are proposed. T...

Journal: :Numerische Mathematik 2000
Zhiming Chen Ricardo H. Nochetto

under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract In this paper, we give an a posteriori error estimates with constitutive law for some obstacle problem. The error estimator involves some parameter ε appeared in some penalized equation.

2013
Thomas Röfer Tim Laue Arne Böckmann Judith Müller Alexis Tsogias

The aim of a soccer game is to score more goals than the opponent does. The chances of doing so increase when all the own players are continuously present on the field. In the RoboCup Standard Platform League (SPL), the only reasons for players not to participate in a game are that they either have been penalized or they have not been ready for the match in the first place. This paper presents ...

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