نتایج جستجو برای: Water Flow-Like Algorithm

تعداد نتایج: 2269912  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1392

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

Journal: :International Journal on Advanced Science, Engineering and Information Technology 2017

2007
Feng-Cheng Yang Yuan-Peng Wang

This paper presents a novice heuristic algorithm, Water Flow-like Algorithm (WFA), for solving discrete optimization problems, particularly the bin packing problems. WFA simulates solution agents as water flows traversing the terrain mapped from the objective function. Governed by the gravitation force, water flows from higher attitudes to lower ones. Driven by the fluid momentum, water flows a...

Journal: :international journal of environmental research 2010
k.s. jeong d.k. kim h.s. shin h.w. kim h. cao

in this study a machine learning algorithm was applied in order to develop a predictive model for the changes in phytoplankton biomass (chlorophyll a) in the lower nakdong river, south korea. we used a “hybrid evolutionary algorithm (hea)” which generated model consists of three functions ‘if-thenelse’ on the basis of a 15-year, weekly monitored ecological database. we used the average ...

Journal: :international journal of industrial mathematics 2015
s. molla-alizadeh-‎zavardehi‎ r. tavakkoli-‎moghaddam f. hosseinzadeh ‎lotfi‎

‎in this paper, we study a flow shop batch processing machines scheduling problem. the fuzzy due dates are considered to make the problem more close to the reality. the objective function is taken as the weighted sum of fuzzy earliness and fuzzy tardiness. in order to tackle the given problem, we propose a hybrid electromagnetism-like (em) algorithm, in which the em is hybridized with a diversi...

ژورنال: علوم آب و خاک 2012
سید پویان احمدپناه, , محمدجواد منعم, ,

There are different automatic downstream control algorithms developed to increase the flexibility of the irrigation system. CARDD control logic is one of the heuristic and distance automatic downstream control systems. In this research, mathematical model of the CARDD control logic coordinated with ICSS hydrodynamic model was developed and the CARDD control logic was tested and evaluated under ...

2014
C. Schantz J. Donnal S. Leeb P. N. Marimuthu S. Habib

We have developed WaterWOLF, a new electronic system and signal processing algorithm for evaluating flow components in pipes. These techniques nonintrusively convert an existing flow meter into a high resolution wireless meter for determining flow rates in real-time. These techniques exploit new tunneling magneto-resistive materials (TMR) for detecting very small magnetic fields generated by ce...

Journal: :gas processing 0
mohammad hossein heidari sureshjani ior research institute, tehran, iran ahmad lak department of chemical engineering, faculty of petroleum, gas and petrochemical engineering, persian gulf university, bushehr, iran shahriar osfouri department of chemical engineering, faculty of petroleum, gas and petrochemical engineering, persian gulf university, bushehr, iran robab chahshoori department of petroleum engineering, faculty of petroleum,gas and petrochemical engineering, persian gulf university, bushehr, iran reza azin department of petroleum engineering, faculty of petroleum,gas and petrochemical engineering, persian gulf university, bushehr, iran shahab gerami ior research institute, tehran, iran

â understanding the flow behaviour in a gas well is crucial for future production strategies, obtaining bottomhole conditions from wellhead production data, analyzing production data and estimating reservoir properties. in this work, the pressure profile and flow regime are studied on four wells of a multi-well, multi-layer gas-condensate reservoir, producing at high rate. the wells are deviate...

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