33 citations · 125 across the 11 of their papers we have counts for
11 papers
A scale-coupled numerical method for transient close-contact melting
Leonardo Boledi, Fabian Key, Benjamin Terschanski +2
We introduce a numerical workflow to model and simulate transient close-contact melting processes based on the space-time finite element method. That is, we aim at computing the ve…
A level-set based space-time finite element approach to the modelling of solidification and melting processes
Leonardo Boledi, Benjamin Terschanski, Stefanie Elgeti +1
We present a strategy for the numerical solution of convection-coupled phase-transition problems, with focus on solidification and melting. We solve for the temperature and flow fi…
Emulator-based global sensitivity analysis for flow-like landslide run-out models
Hu Zhao, Florian Amann, Julia Kowalski
Landslide run-out modeling involves various uncertainties originating from model input data. It is therefore desirable to assess the model's sensitivity. A global sensitivity analy…
Topographic uncertainty quantification for flow-like landslide models via stochastic simulations
Hu Zhao, Julia Kowalski
Topography representing digital elevation models (DEMs) are essential inputs for computational models capable of simulating the run-out of flow-like landslides. Yet, DEMs are often…
Mixed finite elements for convection-coupled phase-change in enthalpy form: Open software verified and applied to 2D benchmarks
Alexander Gary Zimmerman, Julia Kowalski
Melting and solidification processes are often affected by natural convection of the liquid, posing a multi-physics problem involving fluid flow, convective and diffusive heat tran…
VIPER - Student research on extraterrestrial ice penetration technology
F. Baader, M. Reiswich, M. Bartsch +13
Recent analysis of scientific data from Cassini and earth-based observations gave evidence for a global ocean under a surrounding solid ice shell on Saturn's moon Enceladus. Images…
Melting probe technology for subsurface exploration of extraterrestrial ice - Critical refreezing length and the role of gravity
Kai Schüller, Julia Kowalski
The 'Ocean Worlds' of our Solar System are covered with ice, hence the water is not directly accessible. Using melting probe technology is one of the promising technological approa…
Integrated modeling and validation for phase change with natural convection
K. Schüller, B. Berkels, J. Kowalski
Water-ice systems undergoing melting develop complex spatio-temporal interface dynamics and a non-trivial temperature field. In this contribution, we present computational aspects…
Monolithic simulation of convection-coupled phase-change - verification and reproducibility
Alexander G. Zimmerman, Julia Kowalski
Phase interfaces in melting and solidification processes are strongly affected by the presence of convection in the liquid. One way of modeling their transient evolution is to coup…
Moment Approximations and Model Cascades for Shallow Flow
Julia Kowalski, Manuel Torrilhon
Shallow flow models are used for a large number of applications including weather forecasting, open channel hydraulics and simulation-based natural hazard assessment. In these appl…
A Lagrangian approach to modeling heat flux driven close-contact melting
K. Schüller, J. Kowalski
Close-contact melting refers to the process of a heat source melting its way into a phase-change material. Of special interest is the close-contact melting velocity, or more specif…