نتایج جستجو برای: Hydrodynamic Modeling

تعداد نتایج: 412322  

Journal: :journal of hydraulic structures 2014
mina sadat seyedjavad mahmoud mashaal aliasghar montazar

measuring sensitivity of hydraulic structures is considered as an approach for evaluation of water projects performance, due to lower distribution efficiency in irrigation and drainage project schemes. sensitivity analysis approach for irrigation structures is one of flow analysis methods which are developed in recent years in order to measure the behavior of flow in hydraulic structures in an ...

Journal: :international journal of electrical and electronics engineering 0
n. masoumii d . bastani s. najarian f. farmanzad a.m. seddighi

in this article, dynamics of the cerebrospinal fluid (csf) was studied, using computational fluid dynamics. using mri images of two special cases, a 2-dimensional model of the ventricular system was made. csf velocity and pressure distribution in ventricular system have high importance since the flow pattern of this liquid has an important effect on intracranial pressure, i.e., icp, which has a...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2010
bahram soltani soulgani davood rashtchian bahman tohidi mohammad jamialahmadi

asphaltene precipitation and deposition is a serious problem in many iranian fields. the deposited asphaltene results in partial or total blockage of the wellbore and wellstring reducing or completely seizing oil production. this paper studies the asphaltene problem and mitigation methods in wellstring systematically. it presents new approach based on the combination of thermodynamic modeling o...

Bahman Tohidi Bahram Soltani Soulgani Davood Rashtchian, Mohammad Jamialahmadi

Asphaltene precipitation and deposition is a serious problem in many Iranian fields. The deposited asphaltene results in partial or total blockage of the wellbore and wellstring reducing or completely seizing oil production. This paper studies the asphaltene problem and mitigation methods in wellstring systematically. It presents new approach based on the combination of thermodynam...

Journal: :Journal of applied mechanics 2007

2009
S. Davies H. Mirfenderesk R. Tomlinson S. Szylkarski

There is an increasing demand for knowledge about hydrodynamic, morphological and water quality processes within the estuarine waterways of the Gold Coast. This study describes the development of a suite of hydrodynamic, sediment transport and water quality models for the Gold Coast tidal waterways. The modeling framework described was developed to provide a strategic understanding of waterway ...

ژورنال: مهندسی دریا 2014
تابش پور, محمدرضا, رزاقیان, امیرحسین, سیف, محمد سعید,

This paper evaluates the hydrodynamic performance of a damaged ISSC TLP which is caused by a tendon disconnection. Performance evaluation of a TLP with a disconnected tendon in a rough sea state is the major aim of this paper. First off, modeling of a platform in a proper sea state is carried out and then after disconnecting one of the tendons, the transient effect on the other tendons is asses...

Bahram Navay'i Nia Davoud Ali Jamshidi Javad Vaseghi Amiri

Because of different behavior of reservoir water and dam material, the determination of hydrodynamic pressure during earthquake is very complicated. Thus, different formulations have been presented for modeling of the dam reservoir system under dynamic loading such as earthquake. These formulations can be categorized into two general groups, which are Lagrangian and Eulerian, each having advant...

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