Possart, Gunnar, Dr.-Ing. Dipl.-Math. techn.

2024

• Richter E., Possart G., Steinmann P., Pfaller S., Ries M.:
  Revealing the percolation–agglomeration transition in polymer nanocomposites via MD-informed continuum RVEs with elastoplastic interphases
  In: Composites Part B-Engineering 281 (2024), Article No.: 111477
  ISSN: 1359-8368
  DOI: 10.1016/j.compositesb.2024.111477

2022

• Lengger M., Possart G., Steinmann P.:
  A viscoelastic Mooney-Rivlin model for adhesive curing and first steps toward its calibration based on photoelasticity measurements
  In: Archive of Applied Mechanics (2022)
  ISSN: 0939-1533
  DOI: 10.1007/s00419-022-02273-4
• Ries M., Weber F., Possart G., Steinmann P., Pfaller S.:
  A quantitative interphase model for polymer nanocomposites: Verification, validation, and consequences regarding size effects
  In: Composites Part A-Applied Science and Manufacturing 161 (2022), Article No.: 107094
  ISSN: 1359-835X
  DOI: 10.1016/j.compositesa.2022.107094
• Schmelzle L., Mergheim J., Possart G., Steinmann P., Striewe M., Meschut G.:
  Experimentelle und numerische Untersuchung des Einflusses variabler Betriebstemperaturen auf das Trag- und Versagensverhalten struktureller Klebverbindungen unter Crashbelastung
  22. Kolloquium: Gemeinsame Forschung in der Klebtechnik (Online-Tagung, 15. February 2022 - 16. February 2022)
  (Conference report)
• Schmelzle L., Striewe M., Mergheim J., Meschut G., Possart G., Teutenberg D., Hein D., Steinmann P.:
  Testing, modelling, and parameter identification for adhesively bonded joints under the influence of temperature
  In: Journal of Adhesion Science and Technology (2022), p. 1-32
  ISSN: 0169-4243
  DOI: 10.1080/01694243.2022.2125714
• Spannraft L., Possart G., Steinmann P., Mergheim J.:
  Generalized interfaces enabling macroscopic modeling of structural adhesives and their failure
  In: Forces in Mechanics 9 (2022), Article No.: 100137
  ISSN: 2666-3597
  DOI: 10.1016/j.finmec.2022.100137

2021

• Ries M., Possart G., Steinmann P., Pfaller S.:
  A coupled MD-FE methodology to characterize mechanical interphases in polymeric nanocomposites
  In: International Journal of Mechanical Sciences (2021), p. 106564
  ISSN: 0020-7403
  DOI: 10.1016/j.ijmecsci.2021.106564

2019

• Ries M., Possart G., Steinmann P., Pfaller S.:
  Extensive CGMD simulations of atactic PS providing pseudo experimental data to calibrate nonlinear inelastic continuum mechanical constitutive laws
  In: Polymers 11 (2019), Article No.: 1824
  ISSN: 2073-4360
  DOI: 10.3390/polym11111824

2016

• Liu S., Pfaller S., Rahimi M., Possart G., Steinmann P., Böhm MC., Müller-Plathe F.:
  Uniaxial deformation of polystyrene–silica nanocomposites studied by hybrid molecular dynamics–finite element simulations
  In: Computational Materials Science 129 (2016), p. 1-12
  ISSN: 0927-0256
  DOI: 10.1016/j.commatsci.2016.11.031
• Pfaller S., Possart G., Steinmann P., Rahimi M., Müller-Plathe F., Böhm MC.:
  Investigation of interphase effects in silica-polystyrene nanocomposites based on a hybrid molecular-dynamics-finite-element simulation framework
  In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 93 (2016), Article No.: 052505
  ISSN: 1550-2376
  DOI: 10.1103/PhysRevE.93.052505

2014

• Pfaller S., Possart G., Steinmann P.:
  Molecular dynamics and finite elements: an approach to couple different worlds
  GAMM 2014 (Erlangen, Germany, 10. March 2014 - 14. March 2014)
  In: PAMM, Erlangen, Germany: 2014
  DOI: 10.1002/pamm.201410272
• Possart G.:
  Mechanical Interphases in Adhesives. Experiment, Modelling and Simulation (Dissertation, 2014)

2013

• Mergheim J., Possart G., Steinmann P.:
  Modeling and simulation of curing and damage in thermosetting adhesives
  In: Journal of Adhesion 89 (2013), p. 111
  ISSN: 0021-8464
• Pfaller S., Rahimi M., Possart G., Steinmann P., Müller-Plathe F., Böhm MC.:
  An Arlequin-based method to couple molecular dynamics and finite element simulations of amorphous polymers nanocomposites
  In: Computer Methods in Applied Mechanics and Engineering 260 (2013), p. 109-129
  ISSN: 0045-7825
  DOI: 10.1016/j.cma.2013.03.006
  URL: https://doi.org/10.25593/opus4-fau-17862
• Steinmann P., Pfaller S., Possart G., Müller-Plathe F., Rahimi M., Böhm MC.:
  Molecular dynamics meets finite elements: An approach for coupled simulations of nanocomposites
  Hybrid Particle-Continuum Methods in Computational Materials Physics (Juelich, Germany, 4. March 2013 - 7. March 2013)
  In: Forschungszentrum Jülich GmbH, Zentralbibliothek (ed.): NIC Series, Jülich: 2013

2012

• Mergheim J., Possart G., Steinmann P.:
  Modelling and computation of curing and damage of thermosets
  In: Computational Materials Science 53 (2012), p. 359-367
  ISSN: 0927-0256
  DOI: 10.1016/j.commatsci.2011.09.013
• Steinmann P., Mokarram H., Possart G.:
  Hyperelastic models for rubber-like materials: Consistent tangent operators and suitability for Treloar's data
  In: Archive of Applied Mechanics 82 (2012), p. 1183-1217
  ISSN: 0939-1533
  DOI: 10.1007/s00419-012-0610-z

2011

• Pfaller S., Possart G., Steinmann P., Rahimi M., Müller-Plathe F., Böhm MC.:
  A comparison of staggered solution schemes for coupled particle-continuum systems modeled with the Arlequin method
  In: Computational Mechanics 49 (2011), p. 565
  ISSN: 0178-7675
  DOI: 10.1007/s00466-011-0657-7
  URL: https://doi.org/10.25593/opus4-fau-17828
• Rahimi M., Karimi-Varzaneh HA., Böhm MC., Müller-Plathe F., Pfaller S., Possart G., Steinmann P.:
  Nonperiodic stochastic boundary conditions for molecular dynamics simulations of materials embedded into a continuum mechanics domain
  In: Journal of Chemical Physics 134 (2011), p. 154108
  ISSN: 0021-9606
  DOI: 10.1063/1.3576122

2010

• Mokarram H., Possart G., Steinmann P.:
  A Finite Strain Framework for the Simulation of Polymer Curing. Part II: Viscoelasticity and shrinkage
  In: Computational Mechanics 46 (2010), p. 363
  ISSN: 0178-7675
  DOI: 10.1007/s00466-010-0479-z

2009

• Mokarram H., Possart G., Steinmann P.:
  A Finite Strain Framework for the Simulation of Polymer Curing. Part I: Elasticity
  In: Computational Mechanics 44 (2009), p. 621-630
  ISSN: 0178-7675
  DOI: 10.1007/s00466-009-0397-0
• Mokarram H., Possart G., Steinmann P.:
  A Phenomenological Finite Strain Framework for the Simulation of Elastic Curing
  ECCMR VI (Dresden, Germany)
  In: Proceedings of the 6th European Conference on Constitutive Models for Rubber 2009
• Mokarram H., Possart G., Steinmann P.:
  A Small-Strain Model to Simulate the Curing of Thermosets
  In: Computational Mechanics 43 (2009), p. 769-779
  ISSN: 0178-7675
  DOI: 10.1007/s00466-008-0344-5
• Mokarram H., Possart G., Steinmann P.:
  Finite Strain Viscoelastic Models to Simulate the Curing Process of Polymers
  International Conference on Material Modelling I (Dortmund, Germany)
  In: Proceedings of 1st International Conference on Material Modelling 2009
• Possart G., Steinmann P., Passlack S., Brodyanski A., Kopnarski M., Presser M., Geiß PL., Bock W.:
  Chemical and structural characterisation of DGEBA-based expocies by Time of Flight Secondary Ion Mass Spectroscopy (ToF-SIMS) as a preliminary to polymer interphase characterisation
  In: Analytical and Bioanalytical Chemistry 398 (2009), p. 1879-1888
  ISSN: 1618-2642
  DOI: 10.1007/s00216-009-2639-6
• Possart G., Steinmann P., Presser M., Passlack S., Geiß PL., Kopnarski M., Brodyanski A.:
  Micro-Macro Characterisation of DGEBA-Based Epoxies on the Way to Polymer Interphase Modelling
  In: International Journal of Adhesion and Adhesives 29 (2009), p. 478-487
  ISSN: 0143-7496
  DOI: 10.1016/j.ijadhadh.2008.10.001
• Steinmann P., Possart G., Mokarram H.:
  Modelling and Simulation of Polymer Curing.
  ESMC VII (Lisbon, Portugal)
  In: Proceedings of the 7th EUROMECH Solid Mechanics Conference 2009

2008

• Mokarram H., Possart G., Steinmann P.:
  Towards Modeling the Curing Processes of Thermosets
  Bremen, (Germany)
  In: Proceedings of 79th GAMM Annual Conference 2008
  DOI: 10.1002/pamm.200810427
• Mokarram H., Possart G., Steinmann P., Denzer R.:
  On phenomenological and micro-mechanical models in finite elasticity and viscoelasticity for rubber-like materials
  Zürich (Schweiz)
  In: Proceedings of sixth International Congress on Industrial Applied Mathematics (ICIAM07) and GAMM Annual Meeting 2008
  DOI: 10.1002/pamm.200700838

2007

• Steinmann P., Possart G., Vu DK.:
  Numerical Modelling of Nonlinear Electroelasticity
  In: International Journal for Numerical Methods in Engineering 70 (2007), p. 685-704
  ISSN: 0029-5981
  DOI: 10.1002/nme.1902

2006

• Possart, G, Steinmann, P, Vu, D.-K:
  Coupled modeling and simulation of electro-elastic materials at large strains
  Conference of the SPIE Symposium on Smart Structures and Materials: 'Active Materials: Behavior and Mechanics' (San Diego)
  In: Conference of the SPIE Symposium on Smart Structures and Materials 2006 2006
  DOI: 10.1117/12.651306
  (Conference report)