The Division of Fluid Dynamics of the American Physical Society exists for the advancement and diffusion of knowledge of the physics of fluids with special emphasis on the dynamical theories of the liquid, plastic and gaseous states of matter under all conditions of temperature and pressure.

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  • Numerical simulation of transom-stern waves 

    Hand, Randall E.; Valenciano, Miguel; George, Kevin; Biddlecome, Tom; Walters, Richard; Stephens, Mike; O'Shea, Thomas T.; Brucker, Kyle A.; Dommermuth, Douglas G. (APS DFD Gallery of Fluid Motion, 2010-11-23)
    The flow field generated by a transom stern hullform is a complex, broad-banded, three-dimensional system marked by a large breaking wave. This unsteady multiphase turbulent flow feature is difficult to study ...
  • Electroworming : The behaviors of Caenorhabditis (C.) elegans in DC and AC electric fields 

    Chuang, Han-Sheng; Raizen, David; Dabbish, Nooreen; Bau, Haim (2010-10-15)
    The video showcases how C. elegans worms respond to DC and AC electrical stimulations. Gabel et al (2007) demonstrated that in the presence of DC and low frequency AC fields, worms of stage L2 and larger propel themselves ...
  • Falling Flexible Sheets 

    Alben, Silas (2010-08-04)
    We present a fluid dynamics video showing simulations of flexible bodies falling in an inviscid fluid. Vortex sheets are shed from the trailing edges of the bodies according to the Kutta condition. The basic behavior is ...
  • Simulation of flow patterns generated by the hydromedusa Aequorea victoria using an arbitrary Lagrangian–Eulerian formulation 

    MOHSENI, Kamran (Science Direct, 2009-03-31)
    A new geometrically conservative arbitrary Lagrangian–Eulerian (ALE) formulation is presented for the moving boundary problems in the swirl-free cylindrical coordinates. The governing equations are multiplied with the ...
  • Nonlinear spin-up of a thermally stratified fluid in cylindrical geometries 

    Pacheco, J. Rafael; Smirnov, Sergey A.; Verzicco, Roberto (2009-10-26)
    This is an entry for the Gallery of Fluid Motion of the 62nd Annual Meeting of the APS-DFD (fluid dynamics videos). This video shows the three-dimensional time-dependent incremental spin-up of a thermally stratified fluid ...
  • Nonlinear spin-up of a thermally stratified fluid in cylindrical geometries 

    Pacheco, J. Rafael; Smirnov, Sergey A.; Verzicco, Roberto (2009-10-25)
    This is an entry for the Gallery of Fluid Motion of the 62nd Annual Meeting of the APS-DFD (fluid dynamics videos). This video shows the three-dimensional time-de\-pen\-dent incremental spin-up of a thermally stratified ...
  • Primary Atomization of a Liquid Jet in Crossflow 

    Rana, Sandeep; Herrmann, Marcus (2009-10-23)
    We present a visualization of the primary atomization of a turbulent liquid jet injected into a turbulent gaseous cross-stream. Detailed numerical simulation results were obtained using the Refined Level Set Grid (RLSG) ...
  • Hydrothermal waves in evaporating sessile drops (APS 2009) 

    BRUTIN, David; RIGOLLET, Fabrice; LE NILIOT, Christophe (2009-10-23)
    This fluid dynamics video was submitted to the Gallery of Fluid Motion for the 2009 APS Division of Fluid Dynamics Meeting in Minneapolis, Minnesota. Drop evaporation is a simple phenomena but still unclear concerning the ...
  • Infrared video of a warm water surface in the presence and absence of surfactant monolayers 

    Bower, S. M.; Saylor, J. R. (2009-10-19)
    Infrared (IR) videos are presented which show a warm water surface undergoing convective processes. These fluid dynamics videos show the water surface with: 1) no surfactant monolayer material present, 2) a liquid-phase ...
  • Geometry of elastic hydrofracturing by injection of an over pressured non-Newtonian Fluid 

    J Chavez-Alvarez, E Soto; B Barrientos, C Mares; M Cerca (2009-10-19)
    The nucleation and propagation of hydrofractures by injection of over pressured fluids in an elastic and isotropic medium are studied experimentally. Non-Newtonian fluids are injected inside a gelatine whose mechanical ...

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