Geometrically exact Cosserat rods with Kelvin–Voigt type viscous damping

J Linn, H Lang, A Tuganov - Mechanical Sciences, 2013 - ms.copernicus.org
We present the derivation of a simple viscous damping model of Kelvin–Voigt type for
geometrically exact Cosserat rods from three-dimensional continuum theory. Assuming …

Modeling and application of a stochastic drag for fibers in turbulent flows

N Marheineke, R Wegener - International Journal of Multiphase Flow, 2011 - Elsevier
Considering the dynamics of long slender elastic fibers in turbulent flows, there exists a
stochastic aerodynamic force concept for a general drag model based on ak–ϵ turbulence …

[HTML][HTML] Hypocoercivity for Kolmogorov backward evolution equations and applications

M Grothaus, P Stilgenbauer - Journal of Functional Analysis, 2014 - Elsevier
In this article we extend the modern, powerful and simple abstract Hilbert space strategy for
proving hypocoercivity that has been developed originally by Dolbeault, Mouhot and …

Impact of initial fiber states on different fiber dynamic patterns in the laminar channel flow

J Cui, Y Liu, Y Jin - International Journal of Mechanical Sciences, 2021 - Elsevier
The dynamics of an elastic fiber with various initial states in a laminar channel flow is
investigated using the immersed boundary-lattice Boltzmann method. Fiber-wall collisions …

Numerical analysis of Cosserat rod and string models for viscous jets in rotational spinning processes

W Arne, N Marheineke, A Meister… - … Models and Methods in …, 2010 - World Scientific
This work deals with the curling behavior of slender viscous jets in rotational spinning
processes. In terms of slender-body theory, an instationary incompressible viscous Cosserat …

Fluid-fiber-interactions in rotational spinning process of glass wool production

W Arne, N Marheineke, J Schnebele… - Journal of Mathematics in …, 2011 - Springer
The optimal design of rotational production processes for glass wool manufacturing poses
severe computational challenges to mathematicians, natural scientists and engineers. In this …

Exponential rate of convergence to equilibrium for a model describing fiber lay-down processes

J Dolbeault, A Klar, C Mouhot… - Applied Mathematics …, 2013 - academic.oup.com
This paper is devoted to the adaptation of the method developed in [,] to a Fokker–Planck
equation for fiber lay-down, which has been studied in [,]. Exponential convergence toward a …

A 3D model for fiber lay-down in nonwoven production processes

A Klar, J Maringer, R Wegener - Mathematical Models and Methods …, 2012 - World Scientific
In this paper a three-dimensional stochastic model for the lay-down of fibers on a moving
conveyor belt in the production process of nonwoven materials is derived. The model is …

Aerodynamic web forming: process simulation and material properties

S Gramsch, A Klar, G Leugering, N Marheineke… - Journal of Mathematics …, 2016 - Springer
In this paper we present a chain of mathematical models that enables the numerical
simulation of the airlay process and the investigation of the resulting nonwoven material by …

Dynamics of a long flexible filament conveyed in the near field of a turbulent jet

J Cui, X Zhu, L Xiao, Z Zhu, R Lin, X Hu, Y Jin - Journal of Fluids and …, 2025 - Elsevier
This study numerically investigates the conveyance of a long flexible filament in the near
field of a jet flow using the immersed boundary-lattice Boltzmann method (IB-LBM) and large …