RUB Bauwesen CompEng

This sommer term, CompEng has the honor to welcome PD Dr. Jürgen Geiser as an official lecturer for the master’s program. He is currently offering a block-course on “Computational Hydrodynamics” which is part of the CompEng curriculum of optional courses. The class contemplates modelling of hydrodynamics e.g. fluid flow, heat flow and particle flow problems and, further, presents the numerical discretization and solver to simulate delicate modelling problems.

Based on his research projects in the field of plasma- and material simulations, PD Dr. Jürgen Geiser has been in contact with the Department of Electrical Engineering and Information Technology at Ruhr-University Bochum since 2006. He obtained his habilitation and venia legendi in the field of computational engineering in 2012/2013 at Ruhr-University Bochum. Since then, he has been holding regular block courses on the topic of “Multiscale Models for Effective Simulations of Hydro- and Electrodynamics”. For his innovative “Inverted Classroom”-concept, PD Dr. Jürgen Geiser was awarded with the eLearning award in 2016.

His interdisciplinary education reaches from being a mathematician at University of Stuttgart to finishing his doctoral studies at University of Heidelberg in the field of scientific computing. In the following years, he started his post-doc positions at the Weierstrass Institute and Humboldt University of Berlin, where he analysed and simulated thin film deposition processes. Later, he obtained a research position at University of Greifswald in the field of plasma dynamics and simulations of multiscale and multicomponent problems.

In 2015 and 2016, he received a visiting professor position at the Centrale Supelec, Chatenay-Malabry, France, in the field of numerical analysis. This year, he received a short-term reader position at the Imperial College London in the field of numerical analysis and simulations of particle transport and collision problems.


Read on for a short interview, which gives you an idea of the person behind these impressive achievements, titles and career positions.


What do you do in your leisure?

I relax with my family and enjoy long jogging, hiking and cycling tours.

Can you describe your course for the next semester? What will the students learn and in how far does it fit into the context of “Computational Engineering”?

We are working on describing and simulating fluid dynamical problems, which are important for understanding flows e.g., fluid flows, heat/energy flows, particle flows. Based on the modelling-equations, e.g. Advection-Diffusion, Burgers, Navier-Stokes equations, it is important to study the numerical methods such as finite difference, finite volume and solver methods. Theoretical approaches and practical implementations in software-packages, in forms of MATLAB, will be brought together and will be simulating different models. Advanced methods and models will be discussed, so that we reach the state of the art.

Do you think that the academic field of engineering is still a male-dominated sphere?

Ever since, I have been doing research in the field of computational sciences, I was always working in mixed groups. Nowadays, it is most important to obtain good results and to do a good job. This has to be seen independent from a gender perspective. This working ethic should be maintained in all faculties.

What is your first thought when you get up in the morning?

“That will be a great day, let's go on with the next steps.”

Where do you see yourself in the future?

I see my future in an interdisciplinary faculty, where I could use my knowledge in mathematics and engineering. I like to combine theoretical and practical aspects (computer simulations and laboratory experiments) and work with students and scientists from all over the world. I also see an important aspect in combing new learning field, e.g. eLearning, and new research fields, e.g., inter- and multidisciplinary research, in our lectures to educate our students with state of the art methods. Therefore, I am looking for long-term opportunities in academia, to extend my research activities and to combine it with student training.

If you could drink a cup of coffee with anyone, dead or alive, who would it be?

I would like to have a cup of coffee with visionary personalities. When it comes to people who are still alive, I’d like to meet Bill Gates, Arndt Kirchhoff, Hasso Plattner or Gilbert Strang. When it comes to people who unfortunately already passed away, I’d like to meet Werner Heisenberg, Max Planck, Erwin Schrödinger or Carl Friedrich von Weizäcker. It would be interesting to hear about their opinions and how they would foresee the next steps in our life. I am very impressed by these personalities and the thought how these people could change our daily life and in how far their ideas would have an impact on our future. I would be interested to hear what our next important steps in our life would be, e.g. with respect to the research or teaching? Which benefits, drawbacks and challenges our future would have? At least, why could they be so successful? Did they have a specific recipe and could they see the next steps for our future challenges clearly?