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Human Physiology : Volume 43, Issue 2, March 2017

Structural rearrangements of the cerebral cortex in children and adolescents

Voluntary regulation of the functional state and its influence on the effectiveness of cognitive activity during adolescence

Influence of cognitive load on the body functional state in children aged 9 to 12 years during early stages of puberty

Functional state of the cardiovascular system in 13-year-old adolescents with different types of autonomic nervous regulation

The factor structure of the functional state of boys aged 13–14 years

Visual and oculomotor activity of first-grade school students during reading texts of varying complexity

Effect of computer work on the state of physiological functions in children aged 7 to 10 years

Method for noninvasive diagnosis of functional state disorders in operators with the smooth pursuit test

FMRI responses of the brain during active and passive movements in left-handed subjects

Relationships between the EEG θ- and β-parameters and heart rate variability during human cognitive performance

The use of smoothed particles approach in realistic mathematical model of intracardiac blood flow: Simulation of a self-organizing tornado-like flow

Evaluation of microcirculatory disturbances in patients with rheumatic diseases by the method of diffuse reflectance spectroscopy

Rheocardiography, an advanced noninvasive circulatory system test in children and adults: Progress and prospects

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The use of smoothed particles approach in realistic mathematical model of intracardiac blood flow: Simulation of a self-organizing tornado-like flow

Content Provider	Springer Nature Link
Author	Bockeria, L. A. Gorodkov, A. Yu. Agafov, A. V. Zhorzholiani, S. T. Kiknadze, G. I. Mirov, A. A. Talygin, E. A.
Copyright Year	2017
Abstract	We performed computer simulation and visualization of blood flow in the left ventricle by the method of smooth particle hydrodynamics (SPH). This visualization qualitatively describes the evolution of twisted stream and graphically demonstrates the direction of velocity field at each moment of time. The geometrical features of the left ventricle are approximated by three-dimensional segmentation of experimental clinical images obtained from multispiral computer tomography (MSCT). The model adequately describes the possible configuration of swirling flow in the left ventricle and is a part of a comprehensive study of swirling flows in different compartments of heart, which comply with a family of the exact solutions of hydrodynamic Navier–Stokes equations for the class of quasipotential1 swirling flows. Computer visualization shows how simulated by SPH method jet of a model liquid, which is placed in limited space, remains continuity and keeps its clockwise vorticity along the direction of the flow propagation during the whole cycle. Then it turns on approximately 120° by the time of ejection into the aorta. Such structure of the flow provides more effective pumping of blood as a model liquid through the ventricle as compared to a lamellar flow mode.
Starting Page	213
Ending Page	221
Page Count	9
File Format	PDF
ISSN	03621197
Journal	Human Physiology
Volume Number	43
Issue Number	2
e-ISSN	16083164
Language	English
Publisher	Pleiades Publishing
Publisher Date	2017-04-21
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	intraventricular blood flow SPH modeling self-organized swirled flows Life Sciences Human Physiology Biomedicine
Content Type	Text
Resource Type	Article
Subject	Physiology Physiology (medical)

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The use of smoothed particles approach in realistic mathematical model of intracardiac blood flow: Simulation of a self-organizing tornado-like flow