نتایج جستجو برای: structure interaction fsi models

تعداد نتایج: 2783783  

1995
N. N. Nikolaev J. Speth B. G. Zakharov

A b s t r a c t We develop the Glauber theory description of final-state interaction (FSI) in quasielastic A(e, e ′ p) scattering. The important new effect is an interaction between the two tra-jectories which enter the calculation of FSI-distorted one-body density matrix and are connected with incoherent elastic rescatterings of the struck proton on spectator nucle-ons. We demonstrate that FSI...

Journal: :basic and clinical neuroscience 0
nafiseh masoumi chemical & petroleum engineering department, sharif university of technology, tehran, iran. f. framanzad biomechanics group faculty, mechanical engineering department, iranian university of science and technology, tehran, iran. behnam zamanian department of chemical engineering, north eastern university, boston, ma,usa. a.s. seddighi neurosurgery department, shohada-e-tajrish hospital, shahidbeheshti university of medical sciences, tehran, iran. m.h. moosavi biomedical engineering, amirkabir university of technology, tehran, iran. s. najarian faculty of biomedical engineering, amirkabir university of technology, tehran, iran.

many diseases are related to cerebrospinal .uid (csf) hydrodynamics. therefore, understanding the hydrodynamics of csf .ow and intracranial pressure is helpful for obtaining deeper knowledge of pathological processes and providing better treatments. furthermore, engineering a reliable computational method is promising approach for fabricating in vitro models which is essential for inventing gen...

2015
Ana Torrado Adélia Sequeira Jorge Tiago Fátima Pinto

Bicuspid Aortic Valve (BAV) is a congenital cardiac disorder, prevalent in 1%–2% of the general population, where 33% of BAV patients may experience vascular complications. BAV consists in two cusps instead of three, as in a normal valve (Tricuspid Aortic Valve, TAV). This work is devoted to the numerical study of hemodynamic effects in different BAV geometries (2D) using a Fluid Structure I...

Journal: :Journal of Fluids Engineering-transactions of The Asme 2022

Abstract This work focuses on an advanced coupling of computational fluid dynamics (CFD) and structural finite element analysis (FEA) the aeroelastic behavior a single inverted composite wing with novelty including ground effect. The front formula one (F1) car can become flexible under loading due to elastic characteristics materials, resulting in changing flow field eventually altering overall...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
Maria Victoria Puig Mika Ushimaru Yasuo Kawaguchi

During sleep, neocortical neuronal networks oscillate slowly (<1 Hz) between periods of activity (UP states) and silence (DOWN states). UP states favor the interaction between thalamic-generated spindles (7-14 Hz) and cortically generated gamma (30-80 Hz) waves. We studied how these three nested oscillations modulate fast-spiking interneuron (FSi) activity in vivo in VGAT-Venus transgenic rats....

2006
Yannis Papaharilaou John A. Ekaterinaris Eirini Manousaki Asterios N. Katsamouris

Abdominal aortic aneurysm (AAA) is a localized dilatation of the aortic wall. The lack of an accurate AAA rupture risk index remains an important problem in the clinical management of the disease. To accurately estimate AAA rupture risk, detailed information on patient specific wall stress distribution and aortic wall tissue yield stress is required. A complete fluid structure interaction (FSI)...

Journal: :Archives of Computational Methods in Engineering 2022

Abstract Fluid film bearings are well suited for high-speed industrial machineries like turbine generators and marine propulsion systems. Several numerical methods employed to theoretically investigate the flow phenomenon performance parameters of journal bearings, operating under various conditions. This paper reviews Computational Dynamics (CFD) Fluid–Structure Interaction (FSI) techniques th...

Journal: :Pediatrics 2013
Jennifer L Marino S Rachel Skinner Dorota A Doherty Susan L Rosenthal Spring C Cooper Robbins Jeffrey Cannon Martha Hickey

OBJECTIVE Younger age at menarche (AAM) may put girls at risk for earlier first sexual intercourse (FSI). Young age at FSI has far-reaching negative outcomes. We describe the longitudinal relationship between AAM and FSI in a large prospective birth cohort. METHODS AAM was collected from 554 girls from the Western Australia (Raine) Pregnancy Cohort Study, prospectively from age 10 or retrospe...

2004
P. COSMOPOULOS

A large abandoned tailings deposit at a mine site near Timmins, Ontario, Canada has produced significant damage in an adjacent forest due to contamination and wind stress. Significant forest structure changes were measured between 1997 and 1999. A multivariate image-based forest structure index (FSI) was developed using canonical correlation analysis of 1997 field and airborne digital camera da...

2002
KEITH STEIN TAYFUN TEZDUYAR RICHARD BENNEY

39 The development of computational models that predict the aerodynamic performance of parachute systems has significantly enhanced the technology of airdrop systems by providing alternatives to or complementing drop tests and laboratory experiments. Increases in the scope and reliability of computational modeling are bringing current technology closer to establishing “virtual proving ground” m...

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