Results 191 to 200 of about 8,639 (236)

Can computational fluid dynamics simulations predict a distal stent graft-induced new entry after frozen elephant trunk operation? [PDF]

open access: yesFront Cardiovasc Med
Osswald A   +6 more
europepmc   +1 more source
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Vorticity of Matter or Vorticity of Space?

Gravitation and Cosmology, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Elmo Benedetto   +2 more
openaire   +2 more sources

Streamlines, vorticity lines, and vortices

29th Aerospace Sciences Meeting, 1991
The properties of vortical flows are studied using both theoretical analysis and computational flow fields. The consequences of two definitions of the vortex core, a minimum in the streamline curvature and a maximum in the normalized helicity, are examined.
LESLIE YATES, GARY CHAPMAN
openaire   +1 more source

Vorticity: dynamics of vortices

2001
Abstract In the discussion (Section 3.2) of deformations of an element of fluid, we have seen the appearance of a term involving the local rotation-the antisymmetric part of the velocity gradient tensor. The corresponding local rotation vector equals half the vorticity vector, defined as the curl of the velocity field. Thus, vorticity
Etienne Guyon   +3 more
openaire   +1 more source

Concentration of vorticity and helical vortices

Fluid Dynamics, 1983
The concentration of vorticity and dynamics of vortices in the field of a helical vortex have been studied for a plane flow of incompressible inviscid fluid. The process of formation of concentrated vortices in the case of a sink and an axisymmetric vorticity field has been considered.
Novikov, E. A., Sedov, Yu. B.
openaire   +1 more source

Vorticity Averages

Canadian Journal of Mathematics, 1951
Recent studies of turbulent fluid motions have drawn attention to the transfer of vorticity. There have been some attempts to study turbulence by plane models, but these have been criticized justly for failing to reveal the true nature of a phenomenon which depends essentially on threedimensional ...
openaire   +2 more sources

Vorticity, Potential Vorticity

1992
This lecture recalls the basic properties of vorticity and provides a summary of the main conservation laws associated with vorticity and its related quantities. It will be stated as clearly as possible how these different properties are used in industrial situations and in geophysical flows.
openaire   +1 more source

Vortices and anyons

Physical Review Letters, 1991
A smooth model for anyons is proposed, based on the mathematical structure of the moduli space of vortices in the Abelian Higgs ...
openaire   +2 more sources

Nuclear vortical current and vorticity

Journal of Physics G: Nuclear and Particle Physics, 1999
The nuclear current is divided into the sum of an irrotational and a vortical current. This vortical current is a transverse current whose source is the vorticity. We investigate how to determine experimentally the transition vorticity and vortical current densities, using data on inelastic electron scattering from , leading to the state at 16.11 MeV ...
E C Caparelli, E J V de Passos
openaire   +1 more source

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