نتایج جستجو برای: break flow saint

تعداد نتایج: 533439  

Journal: :مدیریت آب و آبیاری 0
قاسم میرزائی کارشناس ارشد سازه های آبی، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس، تهران، ایران جمال محمد ولی سامانی استاد گروه مهندسی سازه های آبی، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس، تهران، ایران مهدی مظاهری استادیار گروه مهندسی سازه های آبی، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس، تهران، ایران

flood flow importance enforces we to simulate its components exactly. in this study, saint-venant equations in conservative form are usedto simulate one-dimensional rapidly varied flow in the river. upstream methods of godunov family in finite volume frame work are used to numerical solution. according to flow conditions in the river, the equations used are included in the source term of the be...

Journal: :Soft matter 2016
Ronal A DeLaCruz-Araujo Daniel J Beltran-Villegas Ronald G Larson Ubaldo M Córdova-Figueroa

We study the assembly of single-patch colloidal Janus particles under steady shear flow via Brownian dynamics simulations. In the absence of flow, by varying the Janus patch size and the range and strength of the anisotropic interaction potential, Janus colloids form different aggregates such as micelles, wormlike clusters, vesicles and lamellae. Under shear flow we observe rearrangement, defor...

Journal: :Water 2021

The evaluation of the impact force on structures due to a flood wave is utmost importance for estimating physical damage and designing adequate countermeasures. present study investigates, using 2D shallow-water approximation, morphodynamics forces caused by dam-break against rigid obstacle in presence an erodible bed. A widely used coupled equilibrium model, based two-dimensional Saint–Venant ...

Journal: :مهندسی عمران فردوسی 0
علیرضا صادقیان بابک امیدوار

in this research an algorithm based on monte carlo simulation is introduced to assess the risk of fire following earthquake in residential, industrial, educational, and governmental land-uses in district no. 20 of tehran. the proposed algorithm consist of different modules including hazard analysis, vulnerability assessment, leak and break analysis of damaged pipeline, ignition probability anal...

2016
Pierre-François Laterre Franck Verschuren Xavier Wittebolle

The MEDA pole comprises physicians conducting research in the three acute medicine units of the UCL Cliniques Universitaires Saint-Luc and CHU UCL Namur site Mont-Godinne: anesthesiology, intensive care, and emergency medicine. Our primary research work is devoted to clinical research, from local original studies to international multicenter studies, either academic or industry-sponsored. The M...

ژورنال: علوم آب و خاک 2018

River flow routing has been a significant issue in hydraulic engineering. The main goal of this research work was solving Saint-Venant equations by using the semi-implicit finite difference scheme and considering energy conservation principle at the discontinuous points of flow field. In this model, with the first order accuracy, the flux limiter scheme and Upwind for the scheme are used for th...

G. Akbari P. Mirzazadeh,

Flood routing has many applications in engineering projects and helps designers in understanding the flood flow characteristics in river flows. Floods are taken unsteady flows that vary by time and location. Equations governing unsteady flows in waterways are continuity and momentum equations which in case of one-dimensional flow the Saint-Venant hypothesis is considered. Dynamic wave model as ...

2014
Marc Fischer J. Erin Staples

In December 2013, the World Health Organization reported the first local transmission of chikungunya virus in the Western Hemisphere, with autochthonous cases identified in Saint Martin. Since then, local transmission has been identified in 17 countries or territories in the Caribbean or South America (Anguilla, Antigua and Barbuda, British Virgin Islands, Dominica, Dominican Republic, French G...

Journal: :Bulletin of the history of medicine 2002
Karol Kovalovich Weaver

Enslaved healers including herbalists, kaperlatas, hospitalières, infirmières, and accoucheuses existed and flourished in the medical world of Saint Domingue. They were responsible for the creation of an indigenous form of medicine on the island. Using Western, African, and Caribbean remedies, they treated their fellow slaves and white residents of the island. Slaves were more comfortable and m...

Journal: :J. Sci. Comput. 2006
Alina Chertock Alexander Kurganov Guergana Petrova

We present a new hybrid numerical method for computing the transport of a passive pollutant by a flow. The flow is modeled by the Saint-Venant system of shallow water equations and the pollutant propagation is described by a transport equation. The idea behind the new finite-volume-particle (FVP) method is to use different schemes for the flow and the pollution computations: the shallow water e...

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