Markus Mrosek

Markus Mrosek
Volkswagen AG

Doctor of Philosophy

About

10
Publications
1,378
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24
Citations
Introduction

Publications

Publications (10)
Preprint
Full-text available
Multi-fidelity models are of great importance due to their capability of fusing information coming from different simulations and sensors. Gaussian processes are employed for nonparametric regression in a Bayesian setting. They generalize linear regression embedding the inputs in a latent manifold inside an infinite-dimensional reproducing kernel H...
Article
Full-text available
Geometrically parametrized partial differential equations are currently widely used in many different fields, such as shape optimization processes or patient-specific surgery studies. The focus of this work is some advances on this topic, capable of increasing the accuracy with respect to previous approaches while relying on a high cost–benefit rat...
Preprint
Full-text available
The aerodynamic optimization process of cars requires multiple iterations between aerodynamicists and stylists. Response Surface Modeling and Reduced-Order Modeling are commonly used to eliminate the overhead due to Computational Fluid Dynamics, leading to faster iterations. However, a primary drawback of these models is that they can work only on...
Conference Paper
View Video Presentation: https://doi.org/10.2514/6.2021-3049.vid Reduced Order Modeling is the method of choice for field predictions in computationally expensive yet time-critical applications, like multi-disciplinary optimization or real-time queries. Therein, the actual model order reduction step is commonly performed via Proper Orthogonal Decom...
Preprint
Full-text available
Geometrically parametrized Partial Differential Equations are nowadays widely used in many different fields as, for example, shape optimization processes or patient specific surgery studies. The focus of this work is on some advances for this topic, capable of increasing the accuracy with respect to previous approaches while relying on a high cost-...
Article
A modified version of the projection scheme [Karniadakis GE, Israeli M, Orszag SA, J. Comput. Phys., 1991; 97(2):414–443] is proposed, which does not show a lower limit for the time step in contrast to the limits of stability observed numerically for some projection type schemes. An advantage of the proposed scheme is that the right-hand side of th...

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