Developing functional closure models for all the subgrid scale (SGS) physics in large eddy simulation (LES) of turbulent two-phase flows is yet a challenging task due to complicated turbulence-interface interactions. Our recent study (Saeedipour and Schneiderbauer, 2019) has revisited classical viscosity concept proposed new approach include surface tension into viscosity. It revealed an a-prio...

Article history: Received 8 April 2008 Received in revised form 10 March 2009 Accepted 15 April 2009 Available online 3 May 2009

A novel computational fluid dynamics and molecular kinetic theory (CFD-MK) method was developed to simulate the impingement of a nanodroplet onto a solid surface. A numerical solution of the Navier–Stokes equation using a volume-of-fluid (VOF) technique was used to model nanodroplet deformation. Dynamic contact angle during droplet impact was obtained by molecular kinetic theory. This dynamic c...

In this paper, we present a 3D finite element approach to compute multifluid flows. Special attention is given to capture the water/polymer interface, that can be obtained used a VOF (Volume of Fluid) or a Level Set technique, with or without adaptative meshing. Results are shown, in for 2D and 3D parts.

In this work, a pulsed welding process has been investigated to highlight how a time varying profile of current impacts on the metal transfer dynamics. First, the process has been recorded using high-speed camera, allowing to qualitatively evaluate the effectiveness of metal transfer and the synchronization of the droplet detachment with current peaks. Second, a timedependent axi-symmetric 2-D ...