نتایج جستجو برای: artificial compressibility technique

تعداد نتایج: 879793  

2009
Joris Degroote Abigail Swillens Peter Bruggeman Robby Haelterman Patrick Segers Jan Vierendeels

Partitioned fluid-structure interaction simulations of the arterial system are difficult due to the incompressibility of the fluid and the shape of the domain. The interface artificial compressibility method (IAC) mitigates the incompressibility constraint by adding a source term to the continuity equation in the fluid domain adjacent to the fluid-structure interface. This source term imitates ...

2006
K. CHITRA T. SUNDARARAJAN P. NITHIARASU

An Artificial Compressibility Characteristic Based Split Scheme (CBS-AC) employed in FEM is used to predict the flow pattern in Cavopulmonary vascular system. Such type of flow is very complex due to varying nature of flow through SVC (Super Vena Cava) and IVC (Inferior Vena Cava), confluence at T-junction, recirculation etc,. In this work, numerical simulations are performed to extend the appl...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده برق و الکترونیک 1390

there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...

2017
Mads Koustrup Jørgensen Thomas Vistisen Bugge Poul Larsen Per Halkjær Nielsen Morten Lykkegaard Christensen

A filtration devise was developed to assess compressibility of fouling layers in membrane bioreactors. The system consists of a flat sheet membrane with air scouring operated at constant transmembrane pressure to assess the influence of pressure on resistance of fouling layers. By fitting a mathematical model, three model parameters were obtained; a back transport parameter describing the kinet...

2005
Eliot Siegel Khan Siddiqui Jeffrey Johnson Olivier Crave Zhenyu Wu Joseph Dagher Ali Bilgin Michael Marcellin Mariappan Nadar Bruce Reiner Osman M. Ratib Steven C. Horii

The widespread use of multi-detector CT scanners has been associated with a remarkable increase in the number of CT slices as well as a substantial decrease in the average thickness of individual slices. This increased number of thinner slices has created a marked increase in archival and network bandwidth requirements associated with storage and transmission of these studies. We demonstrate th...

2017
Mitali Chavan Nidhi Menon Ritika Kumar Shivani Rana

In the era of e-commerce while buying furniture online the customers obviously feel the need for visual representation of the arrangement of their furniture. Even when doing interiors of the house it's difficult to just rely on assumptions about best layouts possible and professional help may become quite expensive. In this project, we make use of Genetic Algorithm (GA) which is an Artificial I...

2012
Youventharan Duraisamy A. Aziz

This paper presents the compressibility of tropical peat reinforced with cylindrical cement columns. When a cement column is installed vertically in peat, its compressibility is reduced because of the hardened skeleton matrix formed by cement particles bonding with adjacent soil particles in the presence of pore water. The effects of the cement column diameter on the compressibility have been i...

Journal: :acta medica iranica 0
h.azhar

the res ults of vag i noplasty ~n t e ~ patients using the davidov t e chni que have be e n reported . nine pat ients had the procedure performed f or the i r s t time . one patient had a prev ~o us vaginoplasty , ( t e chni que ). pos t -operative mo rbi d ity wa s mi nima l a nd the l ong term r esults go' od. further advantages o f the technique have been discussed

Journal: :Physical Chemistry Chemical Physics 2015

2013
G. Sivarajde

A class of neural filter for image enhancement is proposed in this paper. The proposed intelligent filter is carried out in two stages. In first stage the corrupted image is filtered by applying two special classes of decision based filters. Filtered image outputs from decision based filters are suitably combined with a Feed forward neural network in the second stage. The internal parameters of...

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