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SUMMARY:Ondřej Marek (Faculty of Nuclear Sciences\, CTU)
DTSTART:20251201T144000Z
DTEND:20251201T161000Z
DTSTAMP:20260405T174758Z
UID:NSCM/192
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/NSCM/192/">L
 attice Boltzmann method for compressible fluid flow and drag simulations</
 a>\nby Ondřej Marek (Faculty of Nuclear Sciences\, CTU) as part of Nečas
  Seminar on Continuum Mechanics\n\nLecture held in Room K3\,  Faculty of M
 athematics and Physics\, Charles University\, Sokolovská 83  Prague 8..\n
 \nAbstract\nThis talk discusses the use of the lattice Boltzmann method (L
 BM) for\ncompressible fluid flow and its application in approximating drag
  and lift\ncoefficients of objects. A brief overview of fluid dynamics is 
 followed by\nan explanation of the LBM. Entropic LBM and multi-speed veloc
 ity models\nused to simulate compressible fluid flow are described\, along
  with a\ngeneralization of their boundary conditions and a benchmark probl
 em. Next\,\nan algorithm for numerically computing the drag and lift coeff
 icients\nspecific for the LBM grid is derived for both incompressible and\
 ncompressible flows. Finally\, a numerical study is performed for flow\nar
 ound a cylinder and a NACA profile with the multi-speed ELBM model\,\nrefe
 rence single-speed LBM models and the finite volume method compared\nwith 
 results from published studies.\n
LOCATION:https://researchseminars.org/talk/NSCM/192/
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