25 citations · 51 across the 5 of their papers we have counts for
8 papers
TinyDEM: Minimal open granular DEM code with sliding, rolling and twisting friction
Roman Vetter
This article introduces TinyDEM, a lightweight implementation of a full-fledged discrete element method (DEM) solver in 3D. Newton's damped equations of motion are solved explicitl…
Modelling the Effects of using Gas Diffusion Layers with Patterned Wettability for Advanced Water Management in Proton Exchange Membrane Fuel Cells
Jaka Dujc, Antoni Forner-Cuenca, Philip Marmet +3
We present a macrohomogeneous two-phase model of a proton exchange membrane fuel cell (PEMFC). The model takes into account the mechanical compression of the gas diffusion layer (G…
Simulating isothermal aging of snow
Roman Vetter, Stephan Sigg, Herman M. Singer +3
A Monte Carlo algorithm to simulate the isothermal recrystallization process of snow is presented. The snow metamorphism is approximated by two mass redistribution processes, surfa…
Collapse of orthotropic spherical shells
Gautam Munglani, Falk K. Wittel, Roman Vetter +2
We report on the buckling and subsequent collapse of orthotropic elastic spherical shells under volume and pressure control. Going far beyond what is known for isotropic shells, a…
Emergence of active nematics in bacterial biofilms
Yusuf Ilker Yaman, Esin Demir, Roman Vetter +1
Growing tissue and bacterial colonies are active matter systems where cell divisions and cellular motion generate active stress. Although they operate in the non-equilibrium regime…
Experimental parameter uncertainty in PEM fuel cell modeling. Part II: Sensitivity analysis and importance ranking
Roman Vetter, Jürgen O. Schumacher
Numerical modeling of proton exchange membrane fuel cells is at the verge of becoming predictive. A crucial requisite for this, though, is that material properties of the membrane-…