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Modelling electron-phonon interactions in graphene with curved space hydrodynamics
Ilario Giordanelli, Miller Mendoza, Hans Herrmann
We introduce a different perspective describing electron-phonon interactions in graphene based on curved space hydrodynamics. Interactions of phonons with charge carriers increase…
Second order kinetic Kohn-Sham lattice model
Sergio Solorzano, Miller Mendoza, Hans Herrmann
In this work we introduce a new semi-implicit second order correction scheme to the kinetic Kohn-Sham lattice model. The new approach is validated by performing realistic exchange-…
Continuous Wire Reinforcement for Jammed Granular Architecture
Matthias Fauconneau, Falk K. Wittel, Hans J. Herrmann
The mechanical behavior of continuous fiber reinforced granular columns is simulated by means of a Discrete Element Model. Spherical particles are randomly deposited simultaneously…
Pore space analysis of beech wood: the vessel network
Philipp Hass, Falk K. Wittel, S. A. McDonald +4
Water transport in wood is vital for the survival of trees. With synchrotron radiation X-ray tomographic microscopy (SRXTM), it becomes possible to characterize and quantify the 3D…
Inverse determination of effective mechanical properties of adhesive bondlines
Philipp Hass, Falk K. Wittel, Miller Mendoza +2
A new approach for determining effective mechanical bondline properties using a combined experimental-numerical modal analysis technique is proposed. After characterizing clear spr…
Mechanisms in Impact Fragmentation
Falk K. Wittel, Humberto A. Carmona, Ferenc Kun +1
The brittle fragmentation of spheres is studied numerically by a 3D Discrete Element Model. Large scale computer simulations are performed with models that consist of agglomerates…