447 citations · 844 across the 9 of their papers we have counts for
9 papers
Directional focused wave group response of a Floating Wind Turbine: Harmonic separation in experiment and CFD
Sithik Aliyar, Henrik Bredmose, Johan Roenby +2
The offshore wind sector relies on floating foundations for deeper waters but faces challenges from harsh conditions, nonlinear dynamics, and low-frequency resonant motions caused…
Instabilities of ring-rivulets: Impact of substrate wettability
Stefan Zitz, Andrea Scagliarini, Johan Roenby
Rivulets and droplets are naturally appearing shapes when small amounts of liquid are deposited on a partially wettable substrate. Here we study, by means of numerical simulations,…
A robust algorithm for computational floating body dynamics
Johan Roenby, Sithik Aliyar, Henrik Bredmose
We present a non-iterative algorithm, FloatStepper, for coupling the motion of a rigid body and an incompressible fluid in computational fluid dynamics (CFD) simulations. The purpo…
To coalesce or not to coalesce: Droplets and surface tension gradients
Stefan Zitz, Tilman Richter, Konstantinos Missios +1
We numerically study the coalescence dynamics of two sessile droplets with radii . The droplets are placed on top of a rigid substrate with a contact angle of .…
TwoPhaseFlow: An OpenFOAM based framework for development of two phase flow solvers
Henning Scheufler, Johan Roenby
One of the prevailing challenges in Computational Fluid Dynamics is accurate simulation of two-phase flows involving heat and mass transfer across the fluid interface. This is curr…
Performance of interFoam on the simulation of progressive waves
Bjarke Eltard Larsen, David R. Fuhrman, Johan Roenby
The performance of interFoam (a widely-used solver within the popular open source CFD package OpenFOAM) in simulating the propagation of a nonlinear (stream function solution) regu…
A Sharp Free Surface Finite Volume Method Applied to Gravity Wave Flows
Vuko Vukčević, Johan Roenby, Inno Gatin +1
This paper presents a sharp free surface method for fully nonlinear flow of two immiscible phases for wave propagation problems in the Finite Volume framework. The method resolves…
Accurate and efficient surface reconstruction from volume fraction data on general meshes
Henning Scheufler, Johan Roenby
Simulations involving free surfaces and fluid interfaces are important in many areas of engineering. There is, however, still a need for improved simulation methods. Recently, a ne…
A Computational Method for Sharp Interface Advection
Johan Roenby, Henrik Bredmose, Hrvoje Jasak
We devise a numerical method for passive advection of a surface, such as the interface between two incompressible fluids, across a computational mesh. The method is called isoAdvec…