Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Henry von Wahl"'
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Akademický článek
A coupled high-accuracy phase-field fluid–structure interaction framework for Stokes fluid-filled fracture surrounded by an elastic medium
Autor: Henry von Wahl, Thomas Wick
Publikováno v: Results in Applied Mathematics, Vol 22, Iss , Pp 100455- (2024)
In this work, we couple a high-accuracy phase-field fracture reconstruction approach iteratively to fluid–structure interaction. The key motivation is to utilise phase-field modelling to compute the fracture path. A mesh reconstruction allows a swi
Externí odkaz: https://doaj.org/article/602c1dcd6f0d4d22b70ddc23876b6994
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3
Using a deep neural network to predict the motion of under-resolved triangular rigid bodies in an incompressible flow
Autor: Henry von Wahl, Thomas Richter
We consider non-spherical rigid body particles in an incompressible fluid in the regime where the particles are too large to assume that they are simply transported with the fluid without back-coupling and where the particles are also too small to ma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ffe1ef827ee2cdd48fcb20d45eb2299
http://arxiv.org/abs/2102.11636
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4
Error analysis for a parabolic PDE model problem on a coupled moving domain in a fully Eulerian framework
Autor: Henry Von Wahl, Thomas Richter
We introduce an unfitted finite element method with Lagrange-multipliers to study an Eulerian time stepping scheme for moving domain problems applied to a model problem where the domain motion is implicit to the problem. We consider a parabolic parti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::191146b0e64f40f888dc539b12967946
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5
An unfitted Eulerian finite element method for the time-dependent Stokes problem on moving domains
Autor: Henry von Wahl, Christoph Lehrenfeld, Thomas Richter
We analyse a Eulerian finite element method, combining a Eulerian time-stepping scheme applied to the time-dependent Stokes equations with the CutFEM approach using inf-sup stable Taylor–Hood elements for the spatial discretization. This is based o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64f67cd620ce077e3fa4a56fa65ff07b
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6
Falling balls in a viscous fluid with contact: Comparing numerical simulations with experimental data
Autor: Thomas Richter, Stefan Frei, Thomas Hagemeier, Henry von Wahl
We evaluate a number of different finite element approaches for fluid-structure (contact) interaction problems against data from physical experiments. For this we take the data from experiments by Hagemeier [Mendeley Data, doi: 10.17632/mf27c92nc3.1]
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8577d93a9660f0eabb4db2e05483de62
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8
Numerical benchmarking of fluid-rigid body interactions
Autor: Jan Heiland, Henry von Wahl, Christoph Lehrenfeld, Piotr Minakowski, Thomas Richter
Publikováno v: Computers and Fluids
We propose a fluid-rigid body interaction benchmark problem, consisting of a solid spherical obstacle in a Newtonian fluid, whose centre of mass is fixed but is free to rotate. A number of different problems are defined for both two and three spatial
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c55dcfd330785a7bcd2a298a44eefd5e
http://arxiv.org/abs/1908.04637
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