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British modernist art movement formed in 1914
'Vorticism', in Fortnightly Review 96, no. 573 (1914), pp. 461–71 Ezra Pound's 1914 Vorticism essay in the Fortnightly Review Ezra Pound, Vorticism Wyndham
Vorticism
Pseudovector field describing the local rotation of a continuum near some point
In continuum mechanics, vorticity is a pseudovector (or axial vector) field that describes the local spinning motion of a continuum near some point (the
Vorticity
Positive vorticity advection, or PVA, is the result of more cyclonic values of vorticity advecting into lower values of vorticity. It is more generally
Positive_vorticity_advection
Vorticity confinement (VC), a physics-based computational fluid dynamics model analogous to shock capturing methods, was invented by Dr. John Steinhoff
Vorticity_confinement
Simplified approach for understanding fluid motions in a rotating system
In fluid mechanics, potential vorticity (PV) is a quantity which is proportional to the dot product of vorticity and stratification. This quantity, following
Potential_vorticity
Fluid flow revolving around an axis of rotation
are a major component of turbulent flow. The distribution of velocity, vorticity (the curl of the flow velocity), as well as the concept of circulation
Vortex
Equation describing the evolution of the vorticity of a fluid particle as it flows
The vorticity equation of fluid dynamics describes the evolution of the vorticity ω of a particle of a fluid as it moves with its flow; that is, the local
Vorticity_equation
English painter
1889 – 21 June 1949) was an English artist initially associated with the Vorticism movement. In the First World War he was part of a team involved in the
Edward_Wadsworth
Modernist art movement
"overlapped with other major 'isms' of the modernist period: with Futurism, Vorticism, Cubism, Surrealism and Dadaism." Richard Murphy also comments, "the search
Expressionism
English painter and writer (1882–1957)
exhibition of his work, "Wyndham Lewis and Vorticism", in the catalogue to which he declared that "Vorticism, in fact, was what I, personally, did and
Wyndham_Lewis
Term in geophysics
The barotropic vorticity equation assumes the atmosphere is nearly barotropic, which means that the direction and speed of the geostrophic wind are independent
Barotropic_vorticity_equation
Artistic and social movement
Surrealism, and Dada; to a greater degree, Precisionism, Rayonism, and Vorticism. Passéism [fr] can represent an opposing trend or attitude. Futurism is
Futurism
Solution to the Navier–Stokes equations
flow, tends to concentrate vorticity in a narrow column around the symmetry axis, while an axial stretching causes the vorticity to increase. At the same
Burgers_vortex
English painter and illustrator (1885–1939)
Alicia Foster (16 December 2019). "Jessica Dismorr: The radical pioneer of Vorticism". Art UK. Retrieved 28 May 2020. Carolyn Trant (2019). Voyaging Out: British
Jessica_Dismorr
Vancouver School Vanitas Verdadism Video art Visual Art Viennese Actionism Vorticism Women's Art Movement Young British Artists (also referred to as YBAs,
List_of_art_movements
Atmospheric phenomenon observed in Colorado, U.S.
The Denver Convergence Vorticity Zone (DCVZ) is an orographically-induced atmospheric phenomenon characterized by convergent winds in the High Plains
Denver Convergence Vorticity Zone
Denver_Convergence_Vorticity_Zone
Ground vortex formed from a downburst of a thunderstorm
vertical vorticity must exist for shear instability to be present. The bigger question is probably what the dynamical origin(s) of the vertical vorticity are
Gustnado
State of matter at low temperatures
hard-sphere models, and Gaussian cluster theories. Landau thought that vorticity entered superfluid helium-4 by vortex sheets, but such sheets have since
Superfluid_helium-4
Measure of misalignment between the gradients of pressure and density in a fluid
pressure coordinate iso-surfaces where that term has no contribution to vorticity production. Before the classic work of Jule Charney and Eric Eady on baroclinic
Baroclinity
Seventh letter in the Greek alphabet
the input power. Atmospheric science, η represents absolute atmospheric vorticity. Rheology, η represents viscosity. Oceanography, η is the measurement
Eta
Entropy-vorticity waves (or sometimes entropy-vortex waves) refer to small-amplitude waves carried by the gas within which entropy, vorticity, density
Entropy-vorticity_wave
Type of cyclone occurring in the northern Atlantic coast of North America
Atlantic and New England. Nor'easters are usually formed by an area of vorticity associated with an upper-level disturbance or from a kink in a frontal
Nor'easter
Type of region
vorticity to produce vertical vorticity transports air containing vertical vorticity from mid-level to the surface enhances the near-ground vorticity
Rear_flank_downdraft
Lengthening of vortices in 3D fluid flow
stretching is associated with a particular term in the vorticity equation. For example, vorticity transport in an incompressible inviscid flow is governed
Vortex_stretching
Region of rotation within a powerful thunderstorm
resulting in curvature vorticity or the apparent curving and spiraling seen in the rising air (only when horizontal vorticity is streamwise, or parallel
Mesocyclone
Inertial wave in rotating fluids
ocean. Atmospheric Rossby waves result from the conservation of potential vorticity and are influenced by the Coriolis force and pressure gradient. The image
Rossby_wave
Imagist poem in English by Ezra Pound published in 1913
the creation of Imagist poetry until he left the movement to embrace Vorticism in 1914. Pound, though briefly, embraced Imagism, stating that it was
In_a_Station_of_the_Metro
Any large system of circulating ocean surface currents
by wind movements. Gyres are caused by the Coriolis effect; planetary vorticity, horizontal friction and vertical friction determine the circulatory patterns
Ocean_gyre
Set of integral curves of a vector field
_{ab}={h^{m}}_{a}\,{h^{n}}_{b}X_{[m;n]}} are known as the expansion tensor and vorticity tensor respectively. Because these tensors live in the spatial hyperplane
Congruence (general relativity)
Congruence_(general_relativity)
Vorticist magazine
Character: The Life of Ezra Pound, p. 249 Pfannkuchen (2005) "Vorticism.co.uk". Vorticism.co.uk. Archived from the original on 7 February 2009. Retrieved
Blast_(British_magazine)
overcome the difficulties to describe an inviscid flow with non-zero vorticity – in the Eulerian reference frame – using Lagrangian mechanics and Hamiltonian
Clebsch_representation
Index of history with the same name
Synchromism – 1912, United States Universal Flowering – 1913, Russia Vorticism – 1914 – 1920, United Kingdom Biomorphism – 1915 – 1940s Suprematism –
Periods in Western art history
Periods_in_Western_art_history
Line integral of the fluid velocity around a closed curve
and vorticity are the circulation per unit area, taken around a local infinitesimal loop. In potential flow of a fluid with a region of vorticity, all
Circulation_(physics)
Vector field which is used to mathematically describe the motion of a continuum
potential must be zero: Δ Φ = 0. {\displaystyle \Delta \Phi =0.} The vorticity, ω {\displaystyle \omega } , of a flow can be defined in terms of its
Flow_velocity
1919 painting by Edward Wadsworth
with dazzle camouflage in dry dock. Wadsworth had been involved with Vorticism, an abstract art movement led by Wyndham Lewis, before he was employed
Dazzle-ships in Drydock at Liverpool
Dazzle-ships_in_Drydock_at_Liverpool
Concept in cosmology
equivalent to stipulating that the congruence of world lines should be vorticity-free. That is, they should not be twisting about one another, or in other
Weyl's_postulate
Long rolls of counter-rotating air
0.CO;2. LeMone, M. (1973). "The Structure and Dynamics of Horizontal Vorticities in the Planetary Boundary Layer". Journal of the Atmospheric Sciences
Horizontal_convective_rolls
Meteorological process associated with developing thunderstorms
Storm splitting in the presence of large amounts of ambient crosswise vorticity, as characterized by a straight hodograph, produces similarly strong left
Splitting_storm
English artist, musician and poet
style. Atkinson died in Paris on 21 September 1931. Wyndham Lewis and Vorticism. Tate Gallery, London, 1956, p. 27. Wikimedia Commons has media related
Lawrence_Atkinson
Artistic and intellectual movement
Deco in New York City Metaphysical Rayonism Productivism Synchromism Vorticism 1915–1944 Sosaku-hanga Suprematism School of Paris Crystal Cubism Constructivism
Romanticism
Capital of Colorado, U.S.
especially during June, with the enhancement of the Denver Convergence Vorticity Zone (DCVZ). The DCVZ, also known as the Denver Cyclone, is a variable
Denver
1919 artist's book by David Bomberg
Russian Ballet is an artist's book by the English artist David Bomberg published in 1919. The work describes the impact of seeing a performance of Diaghilev's
Russian_Ballet_(book)
Stability condition for fluids
absolute vorticity is the relative vorticity plus the planetary vorticity: ζ a = ζ + f {\displaystyle \zeta _{a}=\zeta +f} . The relative vorticity, ζ {\displaystyle
Rayleigh–Kuo_criterion
Classical solution for inviscid, incompressible flow around a cylinder
the cylinder, the flow is unidirectional and uniform. The flow has no vorticity and thus the velocity field is irrotational and can be modeled as a potential
Potential flow around a circular cylinder
Potential_flow_around_a_circular_cylinder
U.S. state
and from less intense landspouts, such as within the Denver convergence vorticity zone (DCVZ). The Plains are also susceptible to occasional floods and
Colorado
Ocean current with dynamics determined by the presence of a coastline
potential vorticity, that transport is balanced by a narrow, intense poleward current, which flows along the western coast, allowing the vorticity introduced
Boundary_current
Parametric equation Replicator equation Advection equation Barotropic vorticity equation Continuity equation Diffusion equation Drag equation Equations
List_of_equations
Velocity field as the gradient of a scalar function
forces) can be described as a region containing vorticity. For flows (or parts thereof) with strong vorticity effects, the potential flow approximation is
Potential_flow
French painter and sculptor
his carpenter father. Once in England Gaudier-Brzeska fell in with the Vorticism movement of Ezra Pound and Wyndham Lewis, becoming a founding member of
Henri_Gaudier-Brzeska
1908 French-language book by Georges Sorel
Oswald Spengler Ezra Pound Surrealism Situationism Syndicalism Thelema Vorticism The Marching Morons (1951) W. B. Yeats Weimar Republic History portal
Reflections_on_Violence
Motor vehicle
The Hillman Straight Eight and its successor the Hillman Vortic were moderate priced mid-sized 20 tax-horsepower executive cars made by Hillman from 1929
Hillman_20_8-cylinder
Type of tornado not originating from a mesocyclone
occasionally a cumulonimbus cloud when an updraft stretches boundary-layer vorticity upward and tightens it into a focused vertical axis. Landspouts can also
Landspout
Curl of the vorticity
Palinstrophy is the curl of the vorticity. It is defined as 1 2 ( ∇ × ω ) , {\displaystyle {\frac {1}{2}}\left(\nabla \times \omega \right),} where ω
Palinstrophy
Atmospheric and ocean flow equations
from left to right, the geostrophic relative vorticity, the planetary vorticity and the stretching vorticity. As an air parcel moves about in the atmosphere
Quasi-geostrophic_equations
Avant-garde art movement in the early 20th century
Deco in New York City Metaphysical Rayonism Productivism Synchromism Vorticism 1915–1944 Sosaku-hanga Suprematism School of Paris Crystal Cubism Constructivism
Dada
Mathematical object used in fluid dynamics
In fluid dynamics, Lamb vector is the cross product of vorticity vector and velocity vector of the flow field, named after the physicist Horace Lamb.
Lamb_vector
Rapidly rotating storm system
wind. An additional metric is the radius at which the cyclone's relative vorticity field decreases to 1×10−5 s−1. On Earth, tropical cyclones span a large
Tropical_cyclone
Painting by David Bomberg
Bath 1914, Tate Gallery http://www.vorticism.co.uk/vorts_bomberg.html Origins and Development, Volume 1 of Vorticism and Abstract Art in the First Machine
The_Mud_Bath
Artistic period (1860s–1970s)
El Lissitzky Synchromism – Stanton Macdonald-Wright, Morgan Russell Vorticism – Wyndham Lewis Sculpture – Constantin Brâncuși, Joseph Csaky, Alexander
Modern_art
Works that are experimental or innovative
from 1930–1970 Viennese Actionism – Austrian short-lived art movement Vorticism – British modernist art movement formed in 1914 Nadaism – Colombian counterculture
Avant-garde
Late 19th-century European cultural phenomenon
Oswald Spengler Ezra Pound Surrealism Situationism Syndicalism Thelema Vorticism The Marching Morons (1951) W. B. Yeats Weimar Republic History portal
Fin_de_siècle
partition a two-dimensional flow field into regions dominated by rotation (vorticity) and regions dominated by deformation (strain). It is widely applied in
Okubo–Weiss_parameter
English painter
Centrum voor Structuranalyse en Constructivisme. (ICSAC) Cahier 9/9: Vorticism. Brussels: 1988. Nairn, Ian; Pevsner, Nikolaus (1965). The Buildings of
Frederick_Etchells
Styles of art associated with periods of time and/or locations of artistic activity
Synthetic Cubism, c. 1912–1919 The Eight, c. 1909–1918 The Ten, c. 1897–1920 Vorticism, founded 1914 Theo van Doesburg, Composition XX, 1920, De Stijl Max Ernst
Art_movement
Poetry collection by Ezra Pound
the poems in Cathay during the period he made a move from imagism to vorticism. Pound critic Zhaoming Qian calls "The River Merchant's Wife: A Letter"
Cathay_(poetry_collection)
Spatial orientation of a galactic plane
primordial vorticity theory predicts that the spin vectors of galaxies are distributed primarily perpendicular to the cluster plane. The primordial vorticity is
Galactic_orientation
Architectural style
Deco in New York City Metaphysical Rayonism Productivism Synchromism Vorticism 1915–1944 Sosaku-hanga Suprematism School of Paris Crystal Cubism Constructivism
Brutalist_architecture
3D motion of fluid near vortex lines
start/end at solid boundaries. Fluid elements initially free of vorticity remain free of vorticity. Helmholtz's theorems have application in understanding: Generation
Helmholtz's_theorems
Whirlwind induced by and often composed of fire
cases, those fire whirls very rarely are classic tornadoes, as their vorticity derives from surface winds and heat-induced lifting, rather than from
Fire_whirl
Analysis and solving of problems that involve fluid flows
particle-in-cell method, fluid-in-cell method, vorticity stream function method, and marker-and-cell method. Fromm's vorticity-stream-function method for 2D, transient
Computational_fluid_dynamics
Multi-scale chaotic motions
The kinematic properties of these motions include size, scale, shape, vorticity, energy, and the dynamic properties govern the way coherent structures
Coherent_turbulent_structure
Mathematical model of instability in the atmosphere
high vorticity regions are then “stretched”, and high pressure and low vorticity regions are “squashed”, yielding higher and lower vorticity, respectively
Eady_model
Type of fluid motion where all flow velocities are parallel to a fixed plane
{\boldsymbol {r}}}+v_{\theta }(r,\theta ,z,t){\hat {\boldsymbol {\theta }}}.} Vorticity in two dimensional flows in the X − Y {\displaystyle X-Y} plane can be
Two-dimensional_flow
1997 F5 tornado
surface from a sounding over Waco at 12:00 CDT (17:00 UTC), likely caused vorticity near and along the cold front and the production of the Jarrell tornado
Jarrell_tornado
British Airways emblem and call sign
painter working in London in the 1930s. Lee-Elliott was influenced by Vorticism, particularly the work of Edward McKnight Kauffer. The logo echoes Kauffer's
Speedbird
Art Deco in architecture
Deco in New York City Metaphysical Rayonism Productivism Synchromism Vorticism 1915–1944 Sosaku-hanga Suprematism School of Paris Crystal Cubism Constructivism
Art_Deco_architecture
Elongated region of low atmospheric pressure
in the jet stream (as shown in diagram) reflect cyclonic filaments of vorticity. Their motion induces upper-level wind divergence, lifting and cooling
Trough_(meteorology)
Turbulence caused by difference in air pressure on either side of wing
because they also occur at points other than at the wing tips. Indeed, vorticity is trailed at any point on the wing where the lift varies span-wise (a
Wingtip_vortices
Embedded kink in the trough / ridge pattern
curvature vorticity and positive shear vorticity, respectively. Ahead of a shortwave there is large-scale lift due to divergence from positive vorticity advection
Shortwave_(meteorology)
German art historian (1881–1965)
influential in the development of early British modernism, especially Vorticism. Worringer studied art history in Freiburg, Berlin, and Munich before
Wilhelm_Worringer
Italian poet (1876–1944)
Futurism was an important influence upon Lewis's Vorticist philosophy. Vorticism, named by Pound, was founded with the publication of Blast to which Pound
Filippo_Tommaso_Marinetti
Aspect of Eulerian fluid dynamics
are orthogonal to the vorticity (that is, n ⋅ ω = 0 {\displaystyle \mathbf {n} \cdot {\boldsymbol {\omega }}=0} ) is, like vorticity, transported with the
Hydrodynamical_helicity
Painting by William Roberts
reminisced about the relationship between Vorticism and the restaurant: In my memory la cuisine Française and Vorticism are indissolubly linked. Both Signor
The Vorticists at the Restaurant de la Tour Eiffel, Spring 1915
The_Vorticists_at_the_Restaurant_de_la_Tour_Eiffel,_Spring_1915
1890–1911 European style of art and architecture
Deco in New York City Metaphysical Rayonism Productivism Synchromism Vorticism 1915–1944 Sosaku-hanga Suprematism School of Paris Crystal Cubism Constructivism
Art_Nouveau
Mathematical formula for viscous fluid
the core of the Rankine vortex, the vorticity is uniform at twice the angular velocity of the core; whereas vorticity is zero at all points outside the
Rankine_vortex
Process by which a tornado forms
stretching and aggregating/merging of environmental and/or storm-induced vorticity that tightens into an intense vortex. There are various ways this may
Tornadogenesis
Dutch art movement founded 1917
Deco in New York City Metaphysical Rayonism Productivism Synchromism Vorticism 1915–1944 Sosaku-hanga Suprematism School of Paris Crystal Cubism Constructivism
De_Stijl
Late 19th-century art movement in Europe
Deco in New York City Metaphysical Rayonism Productivism Synchromism Vorticism 1915–1944 Sosaku-hanga Suprematism School of Paris Crystal Cubism Constructivism
Symbolism_(movement)
Object in differential geometry
In differential geometry, the torsion tensor is a tensor that is associated to any affine connection. The torsion tensor is a bilinear map of two input
Torsion_tensor
Unstable wave
instability; likewise, Rossby waves are said to break when the potential vorticity gradient is overturned. Wave breaking also occurs in plasmas, when the
Breaking_wave
Boundary between troposphere and stratosphere
surface is expressed in potential vorticity units (PVU, 1 PVU = 10-6 K m2 kg-1 s-1). Given that the absolute vorticity is positive in the Northern Hemisphere
Tropopause
Mathematical theory of the geometry of space and time
1103/PhysRevD.51.5387. PMID 10018300. Williams, R. K. (2004). "Collimated escaping vortical polar e−–e+ jets intrinsically produced by rotating black holes and Penrose
Curved_spacetime
Vector field that is the gradient of some function
from the vorticity transport equation, obtained by taking the curl of the Navier–Stokes equations. For a two-dimensional field, the vorticity acts as a
Conservative_vector_field
20th-century avant-garde art movement
Fourth dimension in art Precisionism Proto-Cubism Rayonism Section d'Or Vorticism Jean Metzinger, Note sur la peinture, Pan (Paris), October–November 1910
Cubism
Estimate of vertical velocity in meteorology
based on the vertical component of the vorticity equation, and the thermodynamic equation. The vertical vorticity equation for a frictionless atmosphere
Omega_equation
Early 20th-century artistic style
Deco in New York City Metaphysical Rayonism Productivism Synchromism Vorticism 1915–1944 Sosaku-hanga Suprematism School of Paris Crystal Cubism Constructivism
Fauvism
Western literary movement, originating in the late 19th century
artistic and literary movements, including Imagism, Symbolism, Futurism, Vorticism, Cubism, Surrealism, Expressionism, and Dada. Early modernist writers
Literary_modernism
Persistent storm in Jupiter's atmosphere
and cloud-tracking from in-situ observation determined the velocity and vorticity of the GRS, which is located in a thin anticyclonic ring at 70–85% of
Great_Red_Spot
19th-century artistic movement
Deco in New York City Metaphysical Rayonism Productivism Synchromism Vorticism 1915–1944 Sosaku-hanga Suprematism School of Paris Crystal Cubism Constructivism
Realism_(art_movement)
the equator, where there is sufficient vorticity for the weather system to spin. This is because the vorticity generated by the Earth's rotation through
List of tropical cyclones near the Equator
List_of_tropical_cyclones_near_the_Equator
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