Monolithic cut finite element–based approaches for fluid‐structure interaction

B Schott, C Ager, WA Wall - International Journal for Numerical …, 2019 - Wiley Online Library
Cut finite element method–based approaches toward challenging fluid‐structure interaction
(FSI) are proposed. The different considered methods combine the advantages of competing …

[HTML][HTML] Geometric re-meshing strategies to simulate contactless rebounds of elastic solids in fluids

J Fara, S Schwarzacher, K Tůma - Computer Methods in Applied …, 2024 - Elsevier
The paper deals with the rebound of an elastic solid off a rigid wall of a container filled with
an incompressible Newtonian fluid. Our study focuses on a collision-free bounce, meaning a …

A mechanically consistent unified formulation for fluid-porous-structure-contact interaction

FM Gerosa, AL Marsden - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
Fluid–structure interaction with contact poses profound mathematical and numerical
challenges, particularly when considering realistic contact scenarios and the influence of …

Falling balls in a viscous fluid with contact: Comparing numerical simulations with experimental data

H von Wahl, T Richter, S Frei, T Hagemeier - Physics of Fluids, 2021 - pubs.aip.org
We evaluate a number of different finite-element approaches for fluid–structure (contact)
interaction problems against data from physical experiments. This consists of trajectories of …

A mechanically consistent model for fluid–structure interactions with contact including seepage

E Burman, MA Fernández, S Frei, FM Gerosa - Computer Methods in …, 2022 - Elsevier
We present a new approach for the mechanically consistent modelling and simulation of
fluid–structure interactions (FSI) with contact. The fundamental idea consists of combining a …

Stability analysis of polytopic discontinuous Galerkin approximations of the Stokes problem with applications to fluid–structure interaction problems

PF Antonietti, L Mascotto, M Verani, S Zonca - Journal of Scientific …, 2022 - Springer
We present a stability analysis of the Discontinuous Galerkin method on polygonal and
polyhedral meshes (PolyDG) for the Stokes problem. In particular, we analyze the discrete …

A Nitsche-based cut finite element method for the coupling of incompressible fluid flow with poroelasticity

C Ager, B Schott, M Winter, WA Wall - Computer Methods in Applied …, 2019 - Elsevier
The focus of this contribution is the numerical treatment of interface coupled problems
concerning the interaction of incompressible fluid flow and permeable, elastic structures …

Leveraging code generation for transparent immersogeometric fluid–structure interaction analysis on deforming domains

GE Neighbor, H Zhao, M Saraeian, MC Hsu… - Engineering with …, 2023 - Springer
Code generation technology has been transformative to the field of numerical partial
differential equations (PDEs), allowing domain scientists and engineers to automatically …

Four‐dimensional elastically deformed simplex space‐time meshes for domains with time‐variant topology

M von Danwitz, P Antony, F Key… - … Journal for Numerical …, 2021 - Wiley Online Library
Considering the flow through biological or engineered valves as an example, there is a
variety of applications in which the topology of a fluid domain changes over time. This …

A poroelastic immersed finite element framework for modelling cardiac perfusion and fluid–structure interaction

SIH Richardson, H Gao, J Cox… - … journal for numerical …, 2021 - Wiley Online Library
Modern approaches to modelling cardiac perfusion now commonly describe the
myocardium using the framework of poroelasticity. Cardiac tissue can be described as a …