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Tech­ni­sche Uni­ver­sität Ber­lin - Faculty III - Institute of Process Engineering / Mechanical Process Engineering and Solids Processing

Research Assistant - salary grade E13 TV-L Berliner Hochschulen

part-time employment may be possible

Work­ing field:

The coupling of numerical flow simulation (CFD) and the discrete element method (DEM) with the aid of coarse graining methods to CFD-CGDEM is a new, efficient numerical method for simulating combined particle/fluid flows. Based on the DEM, a freely selectable number of particles is combined into a representative parcel. This reduces the number of particles to be tracked, which shortens the calculation time accordingly and makes the method interesting for the calculation of industry-relevant problems.
The task to be fulfilled in the context of CFD-CGDEM, which calculates the trajectories of parcels using scaled contact and fluid interaction models, is to compare existing scaling approaches and to investigate which of the approaches delivers accurate results with increasing scaling factors that have previously caused difficulties. With the help of an adaptive coarse graining approach which allows the use of different scaling factors in geometrically narrow and wide areas, the extent to which such a method enables the use of CFD-CGDEM also in technically important systems with geometrically thigt fixtures is to be investigated.


  • Suc­cess­fully com­pleted uni­versity degree (Mas­ter, Dip­lom or equi­val­ent) in the field of energy and/or pro­cess engin­eer­ing, computational engineering, mechanical engineering, natural sciences or the like; above-aver­age res­ults desired
  • Pre­vi­ous know­ledge (desired) and/or interest (required) in the field of mech­an­ical pro­cess engin­eer­ing and par­tic­u­late pro­cesses
  • Interest in engin­eer­ing applied research work (required)
  • Pre­vi­ous know­ledge (desired) and/or interest (required) in the field of mod­el­ing with particle-based meth­ods (for example the Dis­crete Ele­ment Method (DEM)) and/or CFD
  • Basic programming skills in e.g. C, Fortran, Matlab (required)
  • Very good com­mand of spoken and writ­ten Ger­man and Eng­lish (required)
  • Team­work, curi­os­ity and cre­ativ­ity

How to ap­ply:

Please send your application with the reference number and the usual documents (combined in a single pdf file, max 5 MB) by email to Prof. Dr. Kruggel-Emden at

By submitting your application via email you consent to having your data electronically processed and saved. Please note that we do not provide a guaranty for the protection of your personal data when submitted as unprotected file. Please find our data protection notice acc. DSGVO (General Data Protection Regulation) at the TU staff department homepage: or quick access 214041.

To ensure equal opportunities between women and men, applications by women with the required qualifications are explicitly desired. Qualified individuals with disabilities will be favored. The TU Berlin values the diversity of its members and is committed to the goals of equal opportunities.

Technische Universität Berlin - Der Präsident - Fakultät III, Institut für Prozess -und Verfahrenstechnik, FG Mechanische Verfahrenstechnik und Aufbereitung, Prof. Dr. Kruggel-Emden, Sekr. BH 11, Ernst-Reuter-Platz 1, 10587 Berlin