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SUMMARY:Numerical simulation of fluid-structure interaction problems on hy
 brid meshes with algebraic multigrid methods
DTSTART:20100728T161500
DTSTAMP:20260407T131622Z
UID:1cc35760cac80c17aca81e1cae1e387d68ac58e034caa147c383a15a
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Huidong Yang\nFluid-structure interaction problems arise i
 n many application fields such as flows around elastic structures or blood
  flow problems in arteries. One method for solving such a problem is based
  on a reduction to an equation at the interface\, involving the so-called 
 Steklov-Poincare operators.\n\nThis interface equation is solved by a Newt
 on iteration for which directional derivatives with respect to the interfa
 ce perturbation have to be evaluated appropriately. One step of the Newton
  iteration requires the solution of several decoupled linear sub-problems 
 in the structure and the fluid domains.\n\nThese sub-problems are spatiall
 y discretized by a finite element method on hybrid meshes containing diffe
 rent types of elements. For the time discretization implicit first order m
 ethods are used. The discretized equations are solved by algebraic multigr
 id methods for which a stabilized coarsening hierarchy is constructed in a
  proper way.
LOCATION:MAA112
STATUS:CONFIRMED
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