ORCID	orcid.org/0000-0002-5673-2572

Fields of Research

• Simulation of solids using Smoothed Particle Hydrodynamics


• Priority Programme 1480: Modelling, Simulation and Compensation of Thermal Effects for Complex Machining Processes of the German Research Foundation (Deutsche Forschungsgemeinschaft)
Subproject: Modelling and Compensation of Thermal Effects for Short Hole Drilling


• Adaptivity in Smoothed Particle Hydrodynamics

Dissertation

• Spreng, F.: Smoothed Particle Hydrodynamics for Ductile Solids.
  Dissertation, Schriften aus dem Institut für Technische und Numerische Mechanik der Universität Stuttgart, Vol. 48. Aachen: Shaker Verlag, 2017. [ISBN-13 978-3-8440-5425-5]

Publications

• published, accepted for publication, submitted for publication

• Spreng, F.; Eberhard, P.: Modeling of Orthogonal Metal Cutting Using Adaptive Smoothed Particle Hydrodynamics.
  In Biermann, D.; Hollmann, F. (Eds.): Thermal Effects in Complex Machining Processes: Final Report of the DFG Priority Programme 1480, pp. 133-143. Cham: Springer, 2017. [http://dx.doi.org/10.1007/978-3-319-57120-1_8]


• Spreng, F.; Vacondio, R.; Eberhard, P.; Williams, J.R.: An Adaptivity Criterion for Smoothed Particle Hydrodynamics Fluid Simulations Based on Spatial Discretization Error.
  In Proceedings of the 12th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2017), Ourense, Spain, June 13-15, 2017.


• Spreng, F.; Vacondio, R.; Eberhard, P.: A Novel, Purely Methodological Strategy for Controlling Dynamic Resolution in Smoothed Particle Hydrodynamics.
  In Proceedings of the 11th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2016), Munich, Germany, June 14-16, 2016.


• Spreng, F.; Eberhard, P.: An Approach to Error-Estimation-Based Adaptivity in SPH.
  Newsletter of the Smoothed Particle Hydrodynamics European Research Interest Community (SPHERIC), No. 20, p. 6, 2015.


• Spreng, F.; Eberhard, P.: An Approach to Error-Estimation-Based Adaptivity in Smoothed Particle Hydrodynamics.
  In Proceedings of the 10th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2015), Parma, Italy, June 16-18, 2015.


• Spreng, F.; Eberhard, P.: Machining Process Simulations with Smoothed Particle Hydrodynamics.
  In Proceedings of the 15th CIRP Conference on Modelling of Machining Operations (CIRP CMMO 2015), Karlsruhe, Germany, June 11-12, Procedia CIRP, Vol. 31, pp. 94-99, 2015. [http://dx.doi.org/10.1016/j.procir.2015.03.073]


• Spreng, F.; Schnabel, D.; Mueller, A.; Eberhard, P.: A Local Adaptive Discretization Algorithm for Smoothed Particle Hydrodynamics.
  Computational Particle Mechanics, Vol. 1, No. 2, pp. 131-145, 2014. [http://dx.doi.org/10.1007/s40571-014-0015-6]


• Spreng, F.; Schnabel, D.; Mueller, A.; Eberhard, P.: Smoothed Particle Hydrodynamics with Adaptive Discretization.
  In Proceedings of the 9th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2014), Paris, France, June 3-5, 2014.


• Eberhard, P.; Seifried, R.; Ergenzinger, C.; Stuehler, S.; Spreng, F.; Beck, F.; Mueller, A.; Fleissner, F.: Particles - Bridging the Gap between Solids and Fluids.
  Procedia IUTAM, Vol. 10, pp. 161-179, 2014. [http://dx.doi.org/10.1016/j.piutam.2014.01.016]


• Spreng, F.; Mueller, A.; Eberhard, P.: The Introduction of a Bi-Adaptive Smoothed Particle Hydrodynamics Formulation Beneficial for Machining Process Simulations.
  In Proceedings of the III International Conference on Particle-Based Methods - Fundamentals and Applications (PARTICLES 2013), Stuttgart, Germany, September 18-20, 2013.


• Spreng, F.; Eberhard, P.: The Way to an Enhanced Smoothed Particle Hydrodynamics Formulation Suitable for Machining Process Simulations.
  In Proceedings of the 8th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2013), Trondheim, Norway, June 4-6, 2013.


• Spreng, F.; Eberhard, P.; Fleissner, F.: An Approach for the Coupled Simulation of Machining Processes Using Multibody System and Smoothed Particle Hydrodynamics Algorithms.
  Theoretical and Applied Mechanics Letters, Vol. 3, No. 1, pp. 013005-1-7, 2013. [http://dx.doi.org/10.1063/2.1301305]


• Spreng, F.; Eberhard, P.; Fleissner, F.: An Approach for the Coupled Simulation of Machining Processes Using Multibody System and Smoothed Particle Hydrodynamics Algorithms.
  In Proceedings of the 6th Asian Conference on Multibody Dynamics, Shanghai, China, August 26-30, 2012.


• Spreng, F.: Validierung des bestehenden ebenen SPH-Modells in Pasimodo für elastische und brüchige Festkörper. Diploma thesis, DIPL-176.
  University of Stuttgart, Institute of Engineering and Computational Mechanics, 2011.


• Spreng, F.: Vorhersage des temperaturabhängigen Versagensverhaltens eines ferritischen Stahls mit einem nichtlokalen Schädigungsmodell. Student research project, Studienarbeit 755462.
  University of Stuttgart, Institute for Materials Testing, Materials Science and Strength of Materials, 2010.


• Spreng, F.: Virtuelle Materialversuche an granularen Festkörpern. Student research project, STUD-333.
  University of Stuttgart, Institute of Engineering and Computational Mechanics, 2010.

Talks

• June 15, 2017: An Adaptivity Criterion for Smoothed Particle Hydrodynamics Fluid Simulations Based on Spatial Discretization Error.
  12th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2016), Ourense, Spain.


• October 6, 2016: Numerical Investigation of Machining Processes on the Basis of the Smoothed Particle Hydrodynamics Method.
  Colloquium of the Priority Programme 1480 of the German Research Foundation (Deutsche Forschungsgemeinschaft), Technical University of Dortmund, Dortmund, Germany.


• June 14, 2016: A Novel, Purely Methodological Strategy for Controlling Dynamic Resolution in Smoothed Particle Hydrodynamics.
  11th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2016), Munich, Germany.


• September 21, 2015: Cutting Simulation Using an Error-Indicated Local Adaptive Smoothed Particle Hydrodynamics Discretization.
  Colloquium of the Priority Programme 1480 of the German Research Foundation (Deutsche Forschungsgemeinschaft), Technical University of Dortmund, Dortmund, Germany.


• July 2, 2015: The Application of Adaptive Smoothed Particle Hydrodynamics to the Modelling of Ductile, Thermally Conductive Materials.
  Colloquium Materials Modelling of the Institute for Materials Testing, Materials Science and Strength of Materials, University of Stuttgart, Stuttgart, Germany.


• June 17, 2015: An Approach to Error-Estimation-Based Adaptivity in Smoothed Particle Hydrodynamics.
  10th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2015), Parma, Italy.


• June 11, 2015: Machining Process Simulations with Smoothed Particle Hydrodynamics.
  15th CIRP Conference on Modelling of Machining Operations (CIRP CMMO 2015), Karlsruhe, Germany.


• October 9, 2014: Pasimodo: Smoothed Particle Hydrodynamics for Solids.
  Centre Européen de Calcul Atomique et Moléculaire (CECAM) Workshop: Particle-Based Simulations for Hard and Soft Matter, Summer School 2014 of the Collaborative Research Center 716 of the German Research Foundation (Deutsche Forschungsgemeinschaft), University of Stuttgart, Stuttgart, Germany.


• June 4, 2014: Smoothed Particle Hydrodynamics with Adaptive Discretization.
  9th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2014), Paris, France.


• November 20, 2013: Modelling and Compensation of Thermal Effects for Short Hole Drilling.
  Colloquium of the Priority Programme 1480 of the German Research Foundation (Deutsche Forschungsgemeinschaft), Technical University of Dortmund, Dortmund, Germany.


• September 18, 2013: The Introduction of a Bi-Adaptive Smoothed Particle Hydrodynamics Formulation Beneficial for Machining Process Simulations.
  III International Conference on Particle-Based Methods - Fundamentals and Applications (PARTICLES 2013), Stuttgart, Germany.


• June 5, 2013: The Way to an Enhanced Smoothed Particle Hydrodynamics Formulation Suitable for Machining Process Simulations.
  8th International Smoothed Particle Hydrodynamics European Research Interest Community SPH Workshop (SPHERIC 2013), Trondheim, Norway.


• January 15, 2013: How to develop a stable, parallelized particle simulator?.
  Kick-Off Meeting of the Priority Programme 1480 of the German Research Foundation (Deutsche Forschungsgemeinschaft), Technical University of Dortmund, Dortmund, Germany.


• September 3, 2012: Simulation of Machining Processes Using a Coupled Formulation of Multibody System and Smoothed Particle Hydrodynamics Algorithms.
  Nanjing University of Science and Technology, Nanjing, China.


• August 27, 2012: An Approach for the Coupled Simulation of Machining Processes Using Multibody System and Smoothed Particle Hydrodynamics Algorithms.
  6th Asian Conference on Multibody Dynamics, Shanghai, China.


• June 6, 2012: Modelling and Compensation of Thermal Effects for Short Hole Drilling.
  Colloquium of the Priority Programme 1480 of the German Research Foundation (Deutsche Forschungsgemeinschaft), German Research Foundation (Deutsche Forschungsgemeinschaft), Bonn, Germany.


• November 29, 2011: Modelling and Compensation of Thermal Effects for Short Hole Drilling.
  Colloquium of the Priority Programme 1480 of the German Research Foundation (Deutsche Forschungsgemeinschaft), Technical University of Dortmund, Dortmund, Germany.


• October 4, 2011: Collision Detection for Particle Systems.
  Workshop Contact Mechanics and Adaptive FEA of the Priority Programme 1480 of the German Research Foundation (Deutsche Forschungsgemeinschaft), Technical University of Dortmund, Dortmund, Germany.


• May 31, 2011: Modelling and Compensation of Thermal Effects for Short Hole Drilling.
  Working Group Meeting of the Priority Programme 1480 of the German Research Foundation (Deutsche Forschungsgemeinschaft), Karlsruhe Institute of Technology, Karlsruhe, Germany.

Supervised Theses

• Fischer, Tim: Foundations to consider "inverse crack" problems in Friction Stir Welding using Smoothed Particle Hydrodynamics, STUD-428.
  University of Stuttgart, Institute of Engineering and Computational Mechanics, 2015.


• Hamann, Dominik: Analysis of the SPH solid formulation used for simulating Friction Stir Welding in Pasimodo. Student research project, Studienarbeit 759023, STUD-410.
  University of Stuttgart, Institute for Materials Testing, Materials Science and Strength of Materials, 2014.


• Schelling, Julian: Fluid-structure interaction simulation with the Smoothed Particle Hydrodynamics method. Student research project, STUD-407.
  University of Stuttgart, Institute of Engineering and Computational Mechanics, 2014.


• Waldner, Daniela: Development and implementation of a TCP/IP-based SPH/FEM coupling algorithm. Student research project, STUD-405.
  University of Stuttgart, Institute of Engineering and Computational Mechanics, 2014.


• Ünsal, Ismail: Extension of the existing SPH solid model in Pasimodo with fracture models designed for tensile and pressure loading of ductile material. Student research project, STUD-402.
  University of Stuttgart, Institute of Engineering and Computational Mechanics, 2013.


• Hamann, Dominik: Extension of the existing SPH solid model in Pasimodo with the Johnson-Cook material formulation. Bachelor thesis, BSC-2.
  University of Stuttgart, Institute of Engineering and Computational Mechanics, 2012.

Teaching

• Exercises in Applied Mechanics III (winter term 2015/16)


• Lecture Applied Mechanics III (winter term 2015/16)


• Supervision of the Practical Training Robot Kinematics (winter term 2015/16)


• Exercises in Applied Mechanics I (winter term 2014/15)


• Lecture Applied Mechanics I (winter term 2014/15)


• Supervision of the Practical Training Robot Kinematics (winter term 2014/15)


• Organization of the seminar Applied Mechanics I (winter term 2014/15)


• Supervision of the Practical Training Robot Kinematics (winter term 2013/14)


• Organization of the seminar Applied Mechanics III (winter term 2013/14)


• Organization of the seminar Applied Mechanics II (summer term 2013)


• Supervision of the Practical Training Robot Kinematics (winter term 2012/13)


• Organization of the seminar Applied Mechanics I (winter term 2012/13)


• Organization of the seminar Applied Mechanics IV (summer term 2012)


• Organization of the seminar Applied Mechanics III (winter term 2011/12)

Additional Services at the Institute

• Cooperation project with the Zentrum für Lehre und Weiterbildung of the University of Stuttgart on student tutor education


• Cooperation project with the Schreibwerkstatt of the University of Stuttgart on scientific writing


• Development of the particle simulation package Pasimodo