Jan Helmig

M. Sc.

Research Associate

Jan Helmig
Chair for Computational Analysis of Technical Systems


Building: Rogowski

Room: 219a

Schinkelstr. 2

52062 Aachen


Phone: +49 241 80 99911
Fax: +49 241 80 99910

About me


  • 2015: M.Sc. Computational Engineering Science, RWTH Aachen University, Thesis: "A Contribution to Geometrically Exact Methods for Fluid-Structure Interaction Using the NURBS-Enhanced Finite Element Method and Isogeometric Analysis"
  • 2013: B.Sc. Computational Engineering Science, RWTH Aachen University, Thesis: "A Numerical Investigation of the Stability of Different Schemes for a Simplified Fluid-Structure Interaction Scheme with Application to Physiological Problems" at Simula Research Laboratory, Oslo

  Twin extruder Copyright: Jan Helmig


  • Numerical analysis of flow in twin-screw-extrudes (TSE)
  • Mesh update methods for complex rotating domains
  • Sliding interfaces via Nitsche coupling
  • Multi-Scale modeling for reactive-extrusion
  • Model order reduction


CES Software Development Project (2016, 2017, 2018, 2019)

Simulation Methods in Mechanical Engineering 2019

Simulation Methods for Distributed Systems 2018/19

Completed Student Projects

Student project offers


Journal Article

Boundary-Conforming Finite Element Methods for Twin-Screw Extruders : Unsteady - Temperature-Dependent - Non-Newtonian Simulations
Published in: Computers & fluids (2018)
Fluid-structure interaction with NURBS-based coupling
Published in: Computer methods in applied mechanics and engineering (2018)

Contribution to Conference Proceedings

A combinded boundary-conforming - cut cell finite element method with application to flow inside twin-screw extruders
Published in: [6th European Conference on Computational Mechanics (ECCM 6), 7th European Conference on Computational Fluid Dynamics (ECFD 7), ECCM - ECFD 2018, 2018-06-11 - 2018-06-15, Glasgow, Scotland] (2018)
Simulating Twin-Screw Extruders with Boundary Conforming Space-Time Finite Elements
Published in: [19h International Conference on Finite Elements in Flow Problems, FEF 2017, 2017-04-05 - 2017-04-07, Rome, Italy] (2017)
Boundary-Conforming Space-Time Finite Elements for Co-Rotating Intermeshing Domains
Published in: 7th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry : proceedings ; a conference under the auspice of the German Association for Computational Mechanics (GACM) ; 11 - 13 October 2017, Stuttgart, Germany / Editors: Malte von Scheven, Marc-André Keip, Nils Karajan (2017)
Spline-based Finite Element Methods in Fluid-Structure-Interaction
Published in: [12th World Congress on Computational Mechanics and 6th Asia-Pacific Congress on Computational Mechanics, WCCM XII and APCOM VI, 24.07.2016-29.07.2016, Seoul, South Korea] (2016)
Spline-based Fluid-Structure-Interaction for Sloshing Tanks
Published in: [VII European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS, 05.06.2016-10.06.2016, Crete Island, Greece] (2016)
Spline-Based Finite Element Methods for Fluid Flow on Deforming Domains
Published in: [High-Order Finite Element and Isogeometric Methods 2016, HOFEIM2016, 30.05.2016-02.06.2016, Jerusalem, Israel] (2016)
Spline-based methods for Interaction between Free-Surface Flows and Elastic Structures
Published in: [VII European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS, 05.06.2016-10.06.2016, Crete Island, Greece] (2016)
Spline-Enhanced Finite Element Methods for Coupled Fluid Flow Problems
Published in: [GAMM DMV Jahrestagung, GAMM DMV 2016, 07.03.2016-11.03.2016, Braunschweig, Germany] (2016)
Towards the Simulation of Deformable Sloshing Tanks with Spline-Based Methods
Published in: [3rd ECCOMAS Young Investigators Conference and 6th GACM Colloquium on Computational Mechanics, YIC GACM 2015, 20.07.2015-23.07.2015, Aachen, Germany] (2015)