نتایج جستجو برای: longitudinal deformation profile

تعداد نتایج: 413911  

Journal: :archives of cardiovascular imaging 0
arezoo zoroufian tehran heart center, tehran university of medical sciences, tehran, ir iran; md,tumzsonhmesvtcgo~uw~,tumzsonuowws{}}yoofmmemkcmlsskmoogw,tumzson,i[ri{son.tum~:+;9=?39882;;77?,fgyz:+;9=?39882;;77>, hossein dabbaghian tehran heart center, tehran university of medical sciences, tehran, ir iran mehrnaz rezvanfard tehran heart center, tehran university of medical sciences, tehran, ir iran mohammad sahebjam tehran heart center, tehran university of medical sciences, tehran, ir iran hakimeh sadeghian tehran heart center, tehran university of medical sciences, tehran, ir iran masoumeh lotfi tokaldany tehran heart center, tehran university of medical sciences, tehran, ir iran

conclusions our results demonstrated the ability of pw-tdi and s/sr modalities in detection of the early subclinical abnormalities in asymptomatic patients with significant chronic ar. results ar group had significantly increased lv end systolic and end diastolic volumes, interventricular septum and posterior wall thickness compared to controls. in ar, sm and em of septal wall, sm of lateral wa...

Journal: :American journal of physiology. Heart and circulatory physiology 2000
K Tobita B B Keller

The vertebrate embryonic ventricle transforms from a smooth-walled single tube to trabeculated right ventricular (RV) and left ventricular (LV) chambers during cardiovascular morphogenesis. We hypothesized that ventricular contraction patterns change from globally isotropic to chamber-specific anisotropic patterns during normal morphogenesis and that these deformation patterns are influenced by...

2015
Kamran Karimi David A. Dzombak

We study stress correlations and elastic response in large-scale computer simulations of particle packings near jamming. We show that there are characteristic lengths in both the stresses and elastic response that diverge in similar ways as the confining pressure approaches zero from above. For the case of the stress field, we show that the power spectrum of the hydrostatic pressure and shear s...

2013
Prawal Sinha Getachew Adamu

Heating is inevitable in any bearing operation. This leads to not only the thinning of the lubricant but also could lead to a thermal deformation of the bearing. The present work is an attempt to analyze the influence of thermal deformation on the thermohydrodynamic lubrication of infinitely long tilted pad slider rough bearings. As a consequence of heating the slider is deformed and is assumed...

Journal: :NeuroImage 2015
Marco Lorenzi Nicholas Ayache Xavier Pennec

In this study we introduce the regional flux analysis, a novel approach to deformation based morphometry based on the Helmholtz decomposition of deformations parameterized by stationary velocity fields. We use the scalar pressure map associated to the irrotational component of the deformation to discover the critical regions of volume change. These regions are used to consistently quantify the ...

2004
S. A. Merkulov

Using language of dg PROPs we give a new proof of existence of star products on (formal) germs of Poisson manifolds.

2011
K. El Majdoub F. Giri H. Ouadi L. Dugard

The problem of modeling and controlling vehicle longitudinal motion is addressed for front wheel propelled vehicles. The chassis dynamics are modeled using relevant fundamental laws taking into account aerodynamic effects and road slop variation. The longitudinal slip, resulting from tire deformation, is captured through Kiencke‟s model. A highly nonlinear model is thus obtained and based upon ...

Journal: :روش های عددی در مهندسی (استقلال) 0
محمود فرزین و مهدی تاجدار m. farzin and m. tajdari

in this article, stress analysis and energy estimation during cold-roll forming of symmetrical channel sections have been discussed. geometry of sheet strip is pre-estimated by a shape function. then longitudinal, transversal and shear strains have been calculated. using both the levy-mises and the prandtl reuss equations, and also considering the bauschinger effect, stress distributions have b...

2017
Philippe Briet Mounira Gharsalli

In this paper we study the influence of an electric field on a two dimensional waveguide. We show that bound states that occur under a geometrical deformation of the guide turn into resonances when we apply an electric field of small intensity having a nonzero component on the longitudinal direction of the system.

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