Reference : Finite element methods for strongly-coupled systems of fluid-structure interaction wi...
Scientific journals : Article
Engineering, computing & technology : Civil engineering
Computational Sciences
http://hdl.handle.net/10993/11172
Finite element methods for strongly-coupled systems of fluid-structure interaction with application to granular flow in silos
English
Reinstädler, Sven [> >]
Zilian, Andreas mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Dinkler, Dieter [> >]
2010
PAMM
WILEY-VCH Verlag
10
1
381--382
Yes
1617-7061
[en] A monolithic approach to fluid-structure interactions based on the space-time finite element method is presented to investigate stress states in silos filled with granular material during discharge. The thin-walled silo-shell is discretized by continuum based, mixed-hybrid finite elements, whereas the flowing granular material is described by an enhanced viscoplastic non-Newtonian fluid model. To adapt the mesh nodes of the fluid domain to the structural deformations, a mesh-moving scheme using a pseudo-solid is applied. The level-set-method involving XFEM is used, including a 4D split algorithm for the space-time finite elements, in order to describe free surfaces. The method is applied to 3D silo discharges. (© 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim)
http://hdl.handle.net/10993/11172
10.1002/pamm.201010183
http://dx.doi.org/10.1002/pamm.201010183

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