Dr.-Ing. Andreas Seupel

Dr.-Ing. Andreas Seupel, M.Sc.

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Mitarbeiter der Professur

Lampadiusstr. 4, D-09599 Freiberg, Zimmer 103

Telefon +49 (0) 3731 39 3349
Fax +49 (0) 3731 39 3455
andreas [dot] seupelimfd [dot] tu-freiberg [dot] de

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-Mechanics of Materials | - Damage Mechanics of Metals and Composites | - Numerical Simulation

CV:

Fields of interest:

• constitutive modeling of steels and particulate reinforced metal matrix composites
• thermomechanically coupled simulations
• non-local damage modeling
• reaction-diffusion systems
• phase-field theory
• numerical simulation

Teaching:

• seminar "Plasticity"
• seminar "Numerical methods in solids mechanics"
• seminar "Continuum mechanics"
• seminar „Selected topics of the finite element method“

Projects:

• Particle reinforced TRIP-Matrix-Composites
• Multi-Functional Filters for Metal Melt Filtration, SP B05II

Peer-reviewed papers:

• [9] Burgold, A., Droste, M., Seupel, A., Budnitzki, M. Biermann, H., Kuna, M.: Modeling of the cyclic deformation behavior of austenitic TRIP-steels, International Journal of Plasticity, 133 (2020) Nr. 102792
• [8] Seupel, A., Hütter, G., Kuna, M.: On the identification and uniqueness of constitutive parameters for
  a non-local GTN-model, Engineering Fracture Mechanics, 229 (2020) Nr. 106817
• [7] Seupel, A., Kuna, M.: A gradient-enhanced damage model motivated by engineering approaches to ductile failure of steels, International Journal of Damage Mechanics, 28 (2019) Nr. 8, S. 1261-1296
• [6] Giang, N. A., Seupel, A., Kuna, M., Hütter, G.: Dislocation pile-up and cleavage: effects of strain gradient plasticity on micro-crack initiation in ferritic steel, International Journal of Fracture, 214 (2018) Nr. 1, S. 1-15
• [5] Seupel, A., Hütter, G., Kuna, M.: An efficient FE-implementation of implicit gradient-enhanced damage models to simulate ductile failure, Engineering Fracture Mechanics, 199 (2018), S. 41-60
• [4] Seupel, A., Eckner, R., Burgold, A., Kuna, M., Krüger, L.: Experimental characterization and damage modeling of a particle reinforced TWIP-steel matrix composite, Materials Science & Engineering A, 662 (2016), S. 342-355
• [3] Seupel, A., Kuna, M.: Application of a Local Continuum Damage Model to Porous TRIP-Steel, Applied Mechanics and Materials, 784 (2015), S. 484-491
• [2] Kulawinski, D., Ackermann, S., Seupel, A., Lippmann, T., Henkel, S., Kuna, M., Weidner, A., Biermann, H.: Deformation and strain hardening behavior of powder metallurgical TRIP steel under quasi-static biaxial-planar loading, Materials Science and Engineering A, 642 (2015), S. 317-329
• [1] Prüger, S., Seupel, A., Kuna, M.: A thermomechanically coupled material model for TRIP-steel, International Journal of Plasticity, 55 (2014), S. 182-197

Conference proceedings:

• [8] Schirmer, R.W., Seupel, A., Selent, M., Abendroth, M., Kiefer, B.: Anwendung eines gradientenerweiterten Kriechschädigungsmodells zur Beschreibung des Versagensverhaltens von P91 im Small Punch Test, 54rd Meeting of the Working Group Fracture Mechanics and Component Safety (2022), DOI: 10.48447/Br-2022-008
• [7] Pham, D.R., El Khatib, O., Seupel, A., Hütter, G., Kiefer, B.: Non-iterative determination of the parameters for the Gurson model from two standard tests, 54rd Meeting of the Working Group Fracture Mechanics and Component Safety (2022), DOI: 10.48447/Br-2022-005
• [6] Seupel, A., Kuna, M.: Phenomenological modeling of thermomechanical coupling effects of highly alloyed TRIP-steels at different stress states, Procedia Structural Integrity 35 (2022), S. 10-17
• [5] Seupel, A., Kuna, M.: Anwendung eines gradientenerweiterten Schädigungsmodells für die Simulation des Versagens hochlegierter TRIP-Stähle, 53rd Meeting of the Working Group Fracture Mechanics and Component Safety (2021), S. 33-42, DOI: 10.48447/Br-2021-004
• [4] Seupel, A., Kuna, M.: Phenomenological Modeling of Strain Hardening Phase Transformation and Damage Effects of TRIP-Steels, XIV International Conference on Computational Plasticity.  Fundamentals and Applications, COMPLAS XIV (04.-10.09.2017), S. 576–587
  
• [3] Seupel, A., Kuna, M.: Damage model of a particle reinforced TRIP-steel matrix composite, XXIV ICTAM (2016)
• [2] Seupel, A., Kuna, M.: Erweiterung eines duktilen Schädigungsmodells zur Beschreibung von TRIP-Stählen, DVM Bericht, 247 (2015), S. 83-92
• [1] Mühlich, U., Seupel, A., Zybell, L., Hütter, G., Kuna, M.: A first order strain gradient damage model for simulating quasi-brittle failure in porous elastic solids, Book of Abstracts: Third International Conference on Material Modelling (2013), S. 145-146

Selected talks:

• [16] Seupel, A., Pham, R.D., El Khatib, O., Hütter, G., Kiefer, B.: Towards a simplified, iteration-free calibration strategy for a non-local GURSON-TVERGAARD-NEEDLEMAN-type damage model, European Conference on Fracture ECF 23 (2022)
• [15] El Khatib, O., Seupel, A., Hütter, G., Kuna, M., Kiefer, B.: Investigation of the constraint effects on the ductile fracture resistance using a non-local GTN-Model, 2nd International Workshop on Plasticity, Damage and Fracture of Engineering Materials IWPDF 21 (online) (2021)
• [14] Seupel, A., Kuna, M.: Phenomenological modeling of thermomechanical coupling effects of highly alloyed TRIP-steels, 2nd International Workshop on Plasticity, Damage and Fracture of Engineering Materials IWPDF 21 (online) (2021)
• [13] Seupel, A., Kuna, M.: Application of a gradient-enhanced damage model to simulate failure of highly alloyed TRIP-steel, ESIS TC8 annual meeting (online) (2021)
• [12] Seupel, A., Kuna, M.: Application of a gradient-enhanced damage model to simulate failure of highly alloyed TRIP-steel, DVM Arbeitskreis Bruchvorgänge (online) (2021)
• [11] Kuna, M, Seupel, A., Hütter, G.: Identification and transferability of constitutive parameters for a non-local GTN-model, 1. Virtual Conference on Fracture, 2020, presentation available as movie
• [10] Seupel, A., Kuna, M.: A gradient-enhanced model for ductile damage and failure of steels based on an engineering approach, Sixth International Conference on Computational Modeling of Fracture and Failure of Materials and Structures (2019)
• [9] Seupel, A., Kuna, M.: Ein gradientenerweitertes Modell für duktile Schädigung motiviert durch
  ingenieurmäßige Ansätze–Anwendung und Grenzen, DVM Arbeitskreis Bruchvorgänge (2019)
• [8] Seupel, A., Kuna, M.: A gradient-enhanced damage model motivated by engineering approaches to ductile failure of steels, 10th European Solid Mechanics Conference ESMC (2018)
• [7] Seupel, A., Hütter, G., Kuna, M.: An efficient FE-implementation of implicit gradient-enhanced damage models,
  Joint DMV and GAMM Annual Meeting (2018)
• [6] Seupel, A., Kuna, M.: Phenomenological Modeling of Strain Hardening Phase Transformation and Damage Effects of TRIP-Steels, XIV International Conference on Computational Plasticity.  Fundamentals and Applications, COMPLAS XIV (2017)
  
• [5] Seupel, A., Burgold, A., Kuna, M.: Damage modeling of a particle reinforced TWIP-steel matrix composite, Joint DMV and GAMM Annual Meeting (2016)
• [4] Seupel, A., Kuna, M.: Application of a Local Continuum Damage Model to Porous TRIP-Steel, Second International Conference on Damage Mechanics (2015)
• [3] Kuna, M., Seupel, A.: A Phenomenological Damage Model for Elastoplastic Behavior of Particle Reinforced TRIP-Steel Matrix Composites based on Micromechanical Simulations , Fourth International Conference on Computational Modeling of Fracture and Failure of Materials and Structures CFRAC (2015)
• [2] Seupel, A., Kuna, M.: Erweiterung eines duktilen Schädigungsmodells zur Beschreibung von TRIP-Stählen, DVM Arbeitskreis Bruchvorgänge (2015)
• [1] Seupel, A., Kuna, M.: Simulation of Damage Mechanisms in TRIP-Steel Matrix Composites, Materials Science Engineering (2014)

Awards:

• DVM-Juniorpreis 2015

Supervised theses of students:

• Zhiqi Zhu: "Einfluss der Probengeometrie auf das duktile Risswachstum" (Influence of specimen geometry on ductile crack growth) (2020, Studienarbeit)
• Aravind Kadhambariyil: „A testing environment for gradient-enhanced and phase-field approaches to fracture“ (2018, Personal Programming Project)
• Hannes Schröter und Pascal Wilzki: „Mechanismenorientierte Modellierung hochlegierter TRIP-Stähle“ (Mechanism-oriented modelling of highly alloyed TRIP-steel) (2018, joined project thesis)
• Ayman Mawlawi: „Forming process simulations using a low alloyed TRIP-steel“ (2016, Master thesis)
• Nima Schirafkan: „Anwendung eines Modells für duktile Schädigung zur Beschreibung des Verformungs- und Versagensverhaltens von partikelverstärkten Metall-Matrix- Verbundwerkstoffen“ (Application of a ductile damage model to describe the deformation and damage behavior of metal-matrix-composites) (2015, Master thesis)
• Jan Harder: „Verformungs- und Verfestigungsverhalten von gegossenen und heissgepressten TRIP- und TWIP-Stählen unter mehrachsiger quasi-statischer Beanspruchung“ (Deformation and hardening behavior of cast and hot-pressed TRIP/TWIP-steels under multi-axial, quasi-static loading) (2014, Master thesis)