Dmitry Medvedev

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A composite phase-field lattice-Boltzmann scheme is used to simulate dendritic growth from a supercooled melt, allowing for heat transport by both diffusion and convection. The phase-transition part of the problem is modelled by the phase-field approach of Karma and Rappel, whereas the flow of the liquid is computed by the lattice-Boltzmann-BGK (LBGK,(More)
  • Dmitry Medvedev, Georgian President, Mikheil Saakashvili, French President
  • 2009
This is the first time in its history that the European Union has decided to intervene actively in a serious armed conflict. It is also the first time that after having reached a ceasefire agreement the European Union set up a Fact-Finding Mission as a political and diplomatic follow-up to the conflict. In its work, the Mission has been assisted and advised(More)
We have developed Environmental Scenario Search Engine (ESSE) for parallel data mining of a set of conditions inside distributed, very large databases from multiple environmental domains. The prime goal for ESSE design is to allow a user to query the environmental data archives in human linguistic terms. The mapping between the human language and the(More)
Cyanea is a genus of large bloom-forming scyphozoans, including some of the most conspicuous representatives of megaplankton. Its taxonomy has been revised repeatedly throughout the last century due to the fact that most of the morphological characteristics of Cyanea species, such as color, structure of gastrovascular system and number of tentacles, may(More)
The Lattice Boltzmann method (LBM) is widely used to simulate fluid flows. The evolution equation for the discrete velocity distribution functions is f k (x, t) = f k (x − c k ∆t, t − ∆t) + Ω k ({f }) + ∆f k. Here, ∆f k is the change of distribution functions due to action of volume forces. It is calculated using the exact difference method (EDM) [1] as ∆f(More)