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Dr.-Ing. Lutz Pauli

Head of the unit Modeling within the profile area
Computational Science and Engineering
Address
Room 222
Schinkelstraße 2 (Rogowski Building)
52062 Aachen

Contact
Phone: +49 241 80 99909
Fax:     +49 241 80 99910
Email: pauli@cats.rwth-aachen.de

Research Interests

Teaching

Project offers

Simulation of blood flow and blood damage in heart pumps (PDF)

Gallery


Transition to turbulence in a nozzle with a sudden expansion:


Blood flow simulation of a simplified centrifugal blood pump:

JCP

(Steady-state approximation with MRF)

(Transient computation with ALE-VMS)


Awards

  • Friedrich-Wilhelm Prize 2012 by RWTH Aachen for Diploma thesis (linked in 'Publications')
  • Scholarship by IACM for 11th. World Congress on Computational Mechanics 2014 in Barcelona
  • Theodore von Karman Fellowship 2017 for outgoing scientists (research stay at Stanford University, Prof. Alison Marsden)
  • Elected member of the GAMM Juniors 2017-2019

Publications

Journal Publications

JCP L. Pauli and M. Behr, On Stabilized Space-Time FEM for Anisotropic Meshes: Incompressible Navier-Stokes Equations and Applications to Blood Flow in Medical Devices, International Journal for Numerical Methods in Fluids, 85(3) (2017) 189–209. DOI: 10.1002/fld.4378.
JCP L. Gesenhues, L. Pauli and M. Behr, Strain-Based Blood Damage Estimation for Computational Design of Ventricular Assist Devices, International Journal of Artificial Organs, 39(4) (2016) 166-170, DOI: 10.5301/ijao.5000484.
JCP L. Pauli, J.W. Both and M. Behr, Stabilized Finite Element Method for Flows with Multiple Reference Frames, International Journal for Numerical Methods in Fluids, 78 (2015) 657–669, DOI: 10.1002/fld.4032.
JNNFM L. Pauli, J. Nam, M. Pasquali and M. Behr, Transient Stress-Based and Strain-Based Hemolysis Estimation in a Simplified Blood Pump, International Journal for Numerical Methods in Biomedical Engineering, 29 (2013) 1148-1160, DOI: 10.1002/cnm.2576. [PubMed pdf]
JNNFM L. Pauli, M. Behr and S. Elgeti, Towards Shape Optimization of Profile Extrusion Dies with Respect to Homogeneous Die Swell, Journal of Non-Newtonian Fluid Mechanics, 200 (2013) 79-87, DOI: 10.1016/j.jnnfm.2012.12.002.
JCP S. Elgeti, H. Sauerland, L. Pauli and M. Behr, On the Usage of NURBS as Interface Representation in Free-Surface Flows, International Journal for Numerical Methods in Fluids, 69 (2012) 73-87, DOI: 10.1002/fld.2537.
JCP H. Schmid, L. Pauli, A. Paulus, E. Kuhl, M. Itskov, Consistent formulation of the growth process at the kinematic and constitutive level for soft tissues composed of multiple constituents, Computer Methods in Biomechanics and Biomedical Engineering, 15 (2012) 547-561, DOI: 10.1080/10255842.2010.548325.

Book Chapters

JCP L. Pauli and M. Behr, On the Significance of Exposure Time in Computational Blood Damage Estimation. In: High-Performance Scientific Computing, Lecture Notes in Computer Science, Volume 10164 (2017) 24-36, DOI: 10.1007/978-3-319-53862-4_3.

Theses

JCP L. Pauli, Stabilized Finite Element Methods for Computational Design of Blood-Handling Devices, PhD Thesis, RWTH Aachen University, October 2016, ISBN: 978-3-8439-2810-6, [pdf].
JCP L. Pauli, Simulating Die Swell in the Context of Profile Extrusion, Diploma Thesis, Chair for Computational Analysis of Technical Systems, RWTH Aachen University, May 2011, [pdf]. Awarded the Friedrich-Wilhelm Prize 2012 by RWTH Aachen.

Talks

JCP L. Pauli, S. Hassler and M. Behr, Strain-Based Blood Damage Modeling -- Current Status and Future Perspectives, 44th ESAO and 7th IFAO congress, Vienna, Austria, September 2017. (Invited)
JCP L. Pauli and M. Behr, Large Eddy Simulation with Stabilized FEM for Transition and Turbulence in Medical Devices, 88th GAMM Annual Meeting, Weimar, Germany, March 2017.
JCP L. Pauli and M. Behr, Simulation of Flow in Artificial Blood Pumps: Turbulence Modeling and Consideration of Blood Microstructure, SIAM Conference on Computational Science and Engineering, Atlanta, Georgia, USA, March 2017.
JCP L. Pauli, S. Hassler and M. Behr, On the Significance of Exposure Time in Computational Blood Damage Estimation, XLIII Annual Congress of the European Society for Artificial Organs (ESAO), Warsaw, Poland, September 2016.
JCP L. Pauli, P. Knechtges and M. Behr, Schur Complement Based Preconditioning of the Stabilized Stokes Equations, 5th European Trilinos User Group Meeting, Munich, Germany, April 2016.
JCP L. Pauli, S. Hassler and M. Behr, Advances in Strain-Based Hemolysis Estimation for Computational Design of Blood-Handling Devices, 2nd International Conference on Biomedical Technology, Hannover, Germany, October 2015. (Session Organizer)
JCP L. Pauli, J. Nam, M. Pasquali and M. Behr, Computational Hemolysis Estimation Based on Viscoelastic Deformation of Red Blood Cells, 23rd annual meeting of the International Society for Rotary Blood Pumps (ISRBP), Dubrovnik, Croatia, September 2015.
JCP L. Pauli, J.W. Both, and M. Behr, Stabilized Finite Element Method for Flows with Multiple Co-Rotating Reference Frames, 3rd ECCOMAS Young Investigators Conference (YIC), 6th GACM Colloquium on Computational Mechanics, Aachen, Germany, July 2015.
JCP L. Pauli, J. Nam, M. Pasquali, and M. Behr, Computational Design of Ventricular Assist Devices with Focus on Numerical Hemolysis Estimation, 48th annual conference of the German Society for Biomedical Engineering, Hannover, Germany, October 2014.
JCP L. Pauli, J. Nam, M. Pasquali, and M. Behr, Stress-Based and Strain-Based Hemolysis Estimation for Medical Devices, 11th World Congress on Computational Mechanics, Barcelona, Spain, July 2014.
JCP L. Pauli, J. Nam, M. Pasquali, and M. Behr, Unsteady blood damage estimation for medical devices, 10th International Symposium on Modelling of Physiological Flows, Chia Laguna, Sardinia Island, Italy, June 2013.
JCP L. Pauli, S. Elgeti, and M. Behr, Numerical Methods for 3-D Die Swell Simulations, 17th International Workshop on Numerical Methods for Non-Newtonian Flows, Blois, France, March 2012.
JCP L. Pauli, S. Elgeti, and M. Behr, Simulating die swell in the context of profile extrusion, 4th GACM Colloquium on Computational Mechanics, Dresden, Germany, September 2011.

Supervised Theses/Projects

JCP K. Immel, Stabilized Finite Element Method for Simulation of Shear-Dependent Platelet Reactions in Medical Applications, Master's Thesis, Chair for Computational Analysis of Technical Systems, RWTH Aachen, November 2016.

JCP V. Loeser, Implementation of Semi-Discrete Integration Methods for Finite Element Computations of the Navier-Stokes Equations, Bachelor Thesis, Chair for Computational Analysis of Technical Systems, FH Aachen, August 2015.

JCP L. Gesenhues, Strain-Based Blood Damage Estimations for Computational Design of Ventricular Assist Devices, Master's Thesis, Chair for Computational Analysis of Technical Systems, RWTH Aachen, April 2015.

JCP K. Immel, CFD-Based Hemolysis Prediction of FDA's Benchmark Blood Pump, Bachelor Thesis, Chair for Computational Analysis of Technical Systems, RWTH Aachen, September 2014.

JCP U.B.H. Hammer, Experimental Investigation of the Flow Field of a Rotatory Blood Pump with Stereo-Particle Image Velocimetry, Diploma Thesis, Chair for Cardiovascular Engineering and Chair for Computational Analysis of Technical Systems, RWTH Aachen, May 2014.

JCP M. Blatzheim, A CFD Analysis of FDA's Benchmark Blood Pump, Bachelor Thesis, Chair for Computational Analysis of Technical Systems, RWTH Aachen, March 2014.

JCP C. Spachtholz and Z. Mi, Strain-Based Hemolysis Estimation: Parameter Study and Calibration, Project Thesis, Chair for Computational Analysis of Technical Systems, RWTH Aachen, December 2013.
JCP J. Helmig, A Numerical Investigation of the Stability of Different Schemes for a simplified Fluid-Structure Interaction Scheme with Application to Physiological Problems, Bachelor Thesis, Simula Research Lab. and Chair for Computational Analysis of Technical Systems, RWTH Aachen, September 2013.
JCP H. Thaeren and L. Hewing, CFD-Based Hemolysis Estimation in a Centrifugal Bloodpump, Project Thesis, Chair for Computational Analysis of Technical Systems, RWTH Aachen, August 2013.
JCP T. Ludescher, Implementation of Fluid-Structure Interaction Capabilities into the Virtual Wind Tunnel Software Package, Bachelor Thesis, Altair Engineering Inc. and Chair for Computational Analysis of Technical Systems, RWTH Aachen, August 2013.
JCP M. Blatzheim, Patient Specific Flow Simulation for Tetralogy of Fallot, Project work, UCSD Jacobs and Chair for Computational Analysis of Technical Systems, RWTH Aachen, March 2013.

JCP A.K.E. Rommerskirchen, Development of Simplified Nasal Resistance Models for Restful and High Flow Therapy Assisted Breathing Applying CFD Simulations, Bachelor Thesis, Auckland Bioengineering Institute and Chair for Computational Analysis of Technical Systems, RWTH Aachen, November 2012.
JCP E. Chen, Implementation and Validation of a Mesoscopic Model of Blood for Computational Analysis, Master's Thesis, Chair for Computational Analysis of Technical Systems, RWTH Aachen, December 2012.
JCP A. Gnech, Development of a Robust Workflow for a CFD Analysis of External Aerodynamics in a Virtual Wind Tunnel, Diploma Thesis, Altair Engineering Inc. and Chair for Computational Analysis of Technical Systems, RWTH Aachen, March 2012, pdf.

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