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Capturing microstructure details is essential to investigate transport of species and reactions taking place at the micro-scale level in a cathode catalyst layer of a PEM fuel cell. To this end, a three-dimensional geometry of the microstructure is generally created/reconstructed using ... Mehr lesen

Lithium niobate (LiNbO3) possesses unique combination of material properties such as: high electro-optic and elasto-optic coefficients and strong piezoelectricity, enabling integration of optical and acoustic functionalities within a single material, paving the way for advanced ... Mehr lesen

Finite Element Method (FEM) simulations are vital in the design of loudspeakers, providing an efficient alternative to traditional trial-and-error methods. This study aims to advance the understanding and optimization of loudspeaker design focusing particularly on the influence of ... Mehr lesen

Lithium-ion batteries are leading the electrification transition, particularly within the transport sector. However, numerous challenges still remain, with fast charging emerging as a major concern. To speed up research, physics-based models are frequently employed alongside experimental ... Mehr lesen

During the hot extrusion process, a cylindrical pre-heated billet is inserted into a container and is forced by a hydraulic press to flow through a shaped die in order to obtain, as final product, a profile with a constant cross-section (Fig.1). Aluminum extrudates have become prominent ... Mehr lesen

A magnetic field associated with current carrying coil(s) extends towards infinity, but an analytical model is of finite size. In the finite element analysis (FEA) of electromagnetic systems, open space needs to be modelled as close to reality as possible to get reliable results without ... Mehr lesen

The complexities of prosthetic challenges require detailed and specific design solutions that correspond with all aspects of the challenge [1]. Most pragmatic prosthetic design solutions consist of components with elaborate three-dimensional geometry designed with materials with unique ... Mehr lesen

A bolt connection can be modeled and simulated in different ways. In many engineering cases, only the stresses in and the contact pressure between bolted parts of an assembly are of interest. Here in this work, a bolt with thread and matching screw nut has been modeled in 3D in order to ... Mehr lesen

Multi-parameter monitoring techniques, combined with robust mathematical models, are crucial for effective volcano monitoring and early warning to civil authorities and the public. This work focuses on the modeling of ground deformation, an indispensable component for any volcano ... Mehr lesen

In power electronics applications, microelectronic chips face swift temperature changes during operation, characterized by heat pulses of sub-millisecond duration with temperatures rising by hundreds of Kelvin. Over time, these conditions may lead to degradation in the metallization ... Mehr lesen