Open Position – Call for Application
for a PhD Position at the Industrial Mathematics Institute of the Johannes Kepler UniversityLinz within the Special Research Program (SFB) “Tomography Across the Scales”.
Read moreCategory: Linz
Modelling Ground Temperatures for the Climate Model LPJmL4
by Julia Niebsch Climate models are used to make predictions about the future development of the climate. These models use a variety of factors like aerial CO2 levels, sea temperatures and forestation to determine possible outcomes of the ongoing climate crisis. These physical and chemical processes can be described through […]
Read moreMathematics for Ophtalmology
by Julia Shatokhina Optical coherence tomography (OCT) is a powerful interferometric technique providing non-invasive 3D imaging of sub-surface structures with resolutions on the micrometer scale. Significant developments of the OCT techniques in the recent decades were observed especially in biomedical applications. Thus, in ophthalmology the OCT imaging technique has revolutionized […]
Read moreAtmospheric Tomography at Keck Telescope
by Stefan Raffetseder Using measurements of multiple guide stars in different directions inan Adaptive Optics system leads to the problem of atmospheric tomogra-phy. Usually, this problem is solved by an inverse matrix operation, whichrequires O (n2) operations. Since the new generation of ground-based tele-scopes have a diameter of 30m and […]
Read moreModel order reduction for the simulation of parametric interest rate models in financial risk analysis
by Andreas Binder, Onkar Jadhav, and Volker Mehrmann, in: Journal of Mathematics in Industry, Volume 11 (8), 2021 Abstract This paper presents a model order reduction approach for large scale high dimensional parametric models arising in the analysis of financial risk. To understand the risks associated with a financial product, […]
Read moreA multigrid method for elasto-hydrodynamic contact simulations of radial slider bearing
by Michael Reichelt, Markus Windisch, Günter Offner, and Sarah Santner inETNA, Volume 54, pp. 355-369, 2021 Abstract The well-known Reynolds equation is typically used to compute the pressure distribution for elasto-hydrodynamic contacts of parts, as, for instance, in radial slider bearings. In order to resolve local pressure phenomena like edge […]
Read moreMultirate DAE-Simulation and its Application in System Simulation Software for the Development of Electric Vehicles
new accepted paper by Michael Kolmbauer, Günter Offner, Ralf Uwe Pfau, and Bernhard Pöchtrager Abstract This work is devoted to the efficient simulation of large multi-physicalnetworks stemming from automated modeling processes in system simulation soft-ware. The simulation of hybrid, battery and fuel cell electric vehicle applications re-quires the coupling of […]
Read moreWhat makes a solver a good one?
Solving large linear systems in real-time applications by Bernadett Stadler In many practical examples solving large linear systems in real-time is the key issue. This is the case, e.g., for our ROMSOC project “Real Time Computing Methods for Adaptive Optics”, where we are dealing with a rapidly changing atmosphere of […]
Read moreMy Ph.D. Life
by Onkar Jadhav I adore mathematics. There is mathematics everywhere: from how much pocket money I should save per day to buy that expensive toy as a kid to solving real-world problems as an adult. It is not just that mathematics helps solve problems; it is fun and intriguing as […]
Read moreHansjörg Wacker Prize 2020/21
The Hansjörg Wacker Memorial Prize 2020/21 was awarded to and Out of a number of excellent applications, the two Master theses by Halvor Gustad and Jan Brekelmans were, outstanding in successfully approaching problems of the highest industrial relevance using advanced tools of mathematical modelling, analysis and simulation.Both submissions perfectly fulfilled […]
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