نتایج جستجو برای: fsi

تعداد نتایج: 1238  

Journal: :Journal of adolescence 2011
Binta Alleyne Victoria H Coleman-Cowger Laurel Crown Maya A Gibbons Linda Nicole Vines

This study examines the relationship between dating violence, forced sexual intercourse (FSI), and four measures of sexual risk taking (i.e., age at first sex, number of recent (within the last three months) sex partners, alcohol/drug use at last sex, and condom use at last sex) among a sample of 1124 ethnically diverse sexually active adolescents in Illinois. Given conflicting reports regardin...

2002
Francis Nolan

This article is a response to Hermann Künzel’s article ‘Beware of the “telephone effect”: the influence of telephone transmission on the measurement of formant frequencies’ (Forensic Linguistics 8(1), 80–99). There, he shows convincingly that the evaluation of formant frequencies, notably F1, is affected by the band-pass filter effect of telephone transmission. This response does not question h...

فرهبد, امیرحسین, قاسمی, سیدابوالفضل,

 A new concept for inertial confinement fusion called fast-shock ignition (FSI) is introduced as a credible scheme in order to obtain high target gain. In the proposed model, the separation of fuel ignition into two successive steps, under the suitable conditions, reduces required ignitor energy for the fuel ignition. The main procedure in FSI concept is compressing the fuel up to stagnation. T...

2013
Xing Zhang Xiaojue Zhu Guowei He

* Corresponding author: [email protected] ABSTRACT Simulation of fluid-structure interaction (FSI) of flexible bodies are challenging due to complex geometries and freely moving boundaries. Immersed boundary method has found to be an efficient technique for dealing with FSI problems because of the use of non-body-fitted mesh and simple implementation. In the present work, we developed a FS...

1999
Trond Kvamsdal Carl B. Jenssen Knut M. Okstad J rn Amundsen

An important eld in computational science and engineering is the simulation of the coupled problem of uid ow interacting with a moving structure. A common notation for this is uid-structure interaction (FSI) problems, which include both aeroe-lasticity and hydroelasticity. Herein we give an overview of results obtained within Fluid-Structure Interaction-Structural Design (FSI-SD) a project that...

2012
Yan Zhang Zishun Liu Somsak Swaddiwudhipong Haiyan Miao Zhiwei Ding Zhengzhi Yang

The deformation behavior of a pH-sensitive hydrogel micro-fluidic valve system is investigated using inhomogeneous gel deformation theory, in which the fluid-structure interaction (FSI) of the gel solid and fluid flow in the pipe is considered. We use a finite element method with a well adopted hydrogel constitutive equation, which is coded in commercial software, ABAQUS, to simulate the hydrog...

2001
K. P. Khemchandani

A detailed study of the effect of the η-nucleus final state interaction (FSI) in the p d → He η reaction close to threshold is presented. The FSI is incorporated through a T-matrix for η He elastic scattering, constructed using few body equations. This T-matrix accounts for off-shell and binding effects in η-nucleus scattering. The energy dependence of the data on the p d → He η reaction near t...

Journal: :Acta of bioengineering and biomechanics 2016
Hamidreza Ghasemi Bahraseman Ehsan Mohseni Languri Niloofar Yahyapourjalaly Daniel M Espino

PURPOSE This paper proposes a model to measure the cardiac output and stroke volume at different aortic stenosis severities using a fluid-structure interaction (FSI) simulation at rest and during exercise. METHODS The geometry of the aortic valve is generated using echocardiographic imaging. An Arbitrary Lagrangian-Eulerian mesh was generated in order to perform the FSI simulations. Pressure ...

2010
C. Barbero A. Mariano

We analyze the effect of final state interactions (FSI) on coincidence spectra in nonmesonic hypernuclear weak decay, ΛN → nN, as a function of the kinetic energy sum, EnN = En + EN , both for np and nn events. Adopting a formalism recently developed, the effects of FSI originated from the interaction between the outgoing nucleons and those in the residual core are included analytically in a ve...

2009
J. Rasmussen J. Thyregod K. Henneberg

This work presents new fluid-structure interaction (FSI) models in both 2D and 3D of the effect of using vascular stents as treatment of cerebral berry aneurysms. The stent is positioned inside the cerebral artery covering the neck of the aneurysm. The stent is expected to alter the blood flow into the aneurysm such that the blood coagulates due to low blood velocity, and rupture of the aneurys...

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