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SUMMARY:Fluid Mechanics Challenges in Energy\, Environment and Health: Ins
 ights gained via Numerical Simulation
DTSTART:20130416T131500
DTEND:20130416T141500
DTSTAMP:20260511T072900Z
UID:0f3c08bfeab06f809e46de6c7ef7f4b8c40c507f36837111aa19e947
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Fotis Sotiropoulos\, University of Minnesota\nBio : Foti
 s Sotiropoulos is the James L. Record professor of Civil Engineering\, the
  director of the St. Anthony Falls Laboratory\, and the director of the De
 partment of Energy funded EOLOS wind energy research consortium at the Uni
 versity of Minnesota. His research centers on computational techniques for
  studying a broad range of interdisciplinary fluid mechanics problems.  H
 e is a fellow of the American Physical Society\, Distinguished Lecturer of
  The Mortimer and Raymond Sackler Institute of Advanced Studies\, twice wi
 nner of the APS-DFD Gallery of Fluid Motion\, and a recipient of a NSF Car
 eer award.  He serves as an associate editor for the ASME Journal of Biom
 echanical Engineering\, the ASCE Journal of Hydraulic Engineering\, the In
 ternational Journal of Heat and Fluid Flow\, and Computers and Fluids.\nSi
 mulation-based engineering science has radically transformed the way resea
 rch is done across most science and engineering disciplines and emerged as
  a powerful approach for tackling the major societal problems of our time 
 related to human health\, environmental sustainability\, and renewable ene
 rgy.  Fluid mechanics problems that are frequently at the center of many 
 of these challenges are often so complex that simulation-based research is
  the only viable approach for tackling them.  Typical examples range from
  optimizing the hemodynamic performance of medical devices in patient-spec
 ific anatomies\, to manipulating turbulence in natural waterways to enable
  physics-based stream restoration\, to developing strategies for reducing 
 the cost of energy and mitigating environmental impacts when harnessing wi
 nd and water energy resources. Accurate numerical simulation of such flows
  poses a formidable challenge to even the most advanced computational meth
 ods available today. \nIn this talk I will discuss the advances we have m
 ade in my group toward the development of a powerful computational framewo
 rk for simulating such flows that integrates an immersed boundary approach
  with curvilinear grids\, features accurate and robust fluid-structure int
 eraction algorithms for rigid bodies and soft tissues\, can handle two-pha
 se flows and free surface effects\, and is capable of carrying out coheren
 t-structure-resolving simulations of turbulent flows in arbitrarily comple
 x domains with dynamically evolving boundaries.  The ability of the metho
 d to yield striking insights into the physics of a broad range of real-lif
 e problems will be demonstrated by discussing:\n1) vortex formation in int
 racranial aneurysms\;\n2) the vortex dynamics of left ventricular filling\
 ;\n3) the interaction of coherent vortices with mobile sediment beds in na
 tural waterways\;\nand 4) the onset of wake meandering in axial flow turbi
 nes.  \nFuture grand challenges and opportunities for simulation-based f
 luid mechanics research will also be discussed.
LOCATION:ME B3 31 http://plan.epfl.ch/?room=MEB331
STATUS:CONFIRMED
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