Walter, Bastian, M. Sc.

Bastian Walter, M. Sc.

Department of Mechanical Engineering
Institute of Applied Mechanics (LTM, Prof. Steinmann)

Egerlandstraße 5
91058 Erlangen
Deutschland

Multi-scale, Multi-physics Modelling and Computation of magneto-sensitive POLYmeric materials

(Third Party Funds Single)

Project leader: Paul Steinmann
Start date: 1. April 2012
End date: 31. March 2017
Acronym: MOCOPOLY
Funding source: EU - 7. RP / Ideas / ERC Advanced Investigator Grant (AdG)

Abstract:

MOCOPOLY is a careful revision of an AdG2010-proposal that was evaluated above the quality threshold in steps1&2. In the meantime the applicant has made further considerable progress related to the topics of MOCOPOLY. Magneto-sensitive polymers (elastomers) are novel smart materials composed of a rubber-like matrix filled with magneto-active particles. The non-linear elastic characteristics of the matrix combined with the magnetic properties of the particles allow these compounds to deform dramatically in response to relatively low external magnetic fields. The rapid response, the high level of deformations achievable, and the possibility to control these deformations by adjusting the external magnetic field, make these materials of special interest for the novel design of actuators for a fascinating variety of technological applications. It is the overall objective of this proposal to uncover the process-microstructure-properties relations of the emerging novel multi-scale, multi-physics material class of magneto-sensitive polymers with the aim to better exploit its promising potential for future, currently unimagined technological applications. This objective will only be achieved by performing integrated multi-disciplinary research in fabrication, characterisation, modelling, simulation, testing and parameter identification. This proposal therefore sets up a work programme consisting of nine strongly interconnected work packages that are devoted to:1) Fabrication of magneto-sensitive polymers2) microstructure characterisation by modelling and simulation3) microstructure characterisation by CT-scanning4) continuum physics modelling at the micro-scale5) computational multi-physics homogenisation6) continuum physics modelling at the macro-scale7) testing at the macro-scale8) multi-scale parameter identification9) macro-scale parameter identification.The work programme is therefore characterised by various feedback loops between the work packages.

Publications:

Brands B., Mergheim J., Steinmann P.:
Reduced-order modelling for linear heat conduction with parametrised moving heat sources
In: GAMM-Mitteilungen 39 (2016), p. 170-188
ISSN: 0936-7195
DOI: 10.1002/gamm.201610011
Pivovarov D., Steinmann P.:
On stochastic FEM based computational homogenization of magneto-active heterogeneous materials with random microstructure
In: Computational Mechanics 58 (2016), p. 981-1002
ISSN: 0178-7675
DOI: 10.1007/s00466-016-1329-4
Pivovarov D., Steinmann P.:
Modified SFEM for computational homogenization of heterogeneous materials with microstructural geometric uncertainties
In: Computational Mechanics 57 (2016), p. 123-147
ISSN: 0178-7675
DOI: 10.1007/s00466-015-1224-4
Walter B., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
Preparation of magnetorheological elastomers and their slip-free characterization by means of parallel-plate rotational rheometry
In: Smart Materials and Structures 26 (2017), Article No.: 085004
ISSN: 1361-665X
DOI: 10.1088/1361-665X/aa6b63
URL: http://iopscience.iop.org/article/10.1088/1361-665X/aa6b63
Walter B., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
On the wall slip phenomenon of elastomers in oscillatory shear measurements using parallel-plate rotational rheometry: I. Detecting wall slip
In: Polymer Testing (2017)
ISSN: 0142-9418
DOI: 10.1016/j.polymertesting.2017.05.035

2019

Schmitz M., Schubert DW., Kaschta J., Daenicke J., Walter B., Horch RE.:
Is short term intraoperative application of disinfectants harmful to breast implants in breast reconstruction? An experimental study and literature survey
In: Journal of the Mechanical Behavior of Biomedical Materials 90 (2019), p. 264-268
ISSN: 1751-6161
DOI: 10.1016/j.jmbbm.2018.10.021

2018

Redel M., Walter B., Kaschta J., Steinmann P., Schubert DW.:
Resonance phenomena in oscillatory shear rheometry: Influence of material parameters
Nordic Polymer Days 2018 (Kopenhagen, 28. May 2018 - 30. May 2018)

2017

Budday S., Andres S., Walter B., Steinmann P., Kuhl E.:
Wrinkling instabilities in soft bi-layered systems
In: Philosophical Transactions of the Royal Society A-Mathematical Physical and Engineering Sciences 375 (2017)
ISSN: 1364-503X
DOI: 10.1098/rsta.2016.0163
Walter B., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
On the wall slip phenomenon of elastomers in oscillatory shear measurements using parallel-plate rotational rheometry: I. Detecting wall slip
In: Polymer Testing (2017)
ISSN: 0142-9418
DOI: 10.1016/j.polymertesting.2017.05.035
Walter B., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
On the wall slip phenomenon of elastomers in oscillatory shear measurements using parallel-plate rotational rheometry: II. Influence of experimental conditions
In: Polymer Testing 61 (2017), p. 455-463
ISSN: 0142-9418
DOI: 10.1016/j.polymertesting.2017.05.036
Walter B., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
Preparation of magnetorheological elastomers and their slip-free characterization by means of parallel-plate rotational rheometry
In: Smart Materials and Structures 26 (2017), Article No.: 085004
ISSN: 1361-665X
DOI: 10.1088/1361-665X/aa6b63
URL: http://iopscience.iop.org/article/10.1088/1361-665X/aa6b63

2016

Walter B., Kaschta J.:
Kriech- und Kriecherholungsmessungen zur Charakterisierung von Materialien mit langer charakteristischer Zeit
Geesthachter Polymertage: Rheologie von Polymeren für Forschung und Anwendung (Geesthacht, 8. November 2016 - 9. November 2016)
Walter B., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
Nonlinear viscoelastic behavior or measuring artifact? On the wall slip of magnetorheological (MR) elastomers
17th International Congress on Rheology (Kyoto, 8. August 2016 - 13. August 2016)

2015

Walter B., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
Nonlinear viscoelastic behavior or measuring artifact? On the wall slip of magneto-sensitive elastomers
10th Annual European Rheology Conference (Nantes, 14. April 2015 - 17. April 2015)
Walter B., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
On the wall slip of magnetorheological elastomers in parallel-plate rotational rheometry
7th ECCOMAS Thematic Conference on Smart Structures and Materials (Ponta Delgada / Azores)
Walter B., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
Wall slip of magnetorheological elastomers in parallel-plate rotational rheometry
7. TA Anwendertreffen Rheologie - Erlangen (Erlangen)

2014

Daenicke J., Schubert DW., Horch RE., Walter B.:
Resilience of silicone breast implants – new insights by mapping the mechanical properties of implant
Polychar 22nd (Stellenbosch, 7. April 2014 - 11. April 2014)
Kaschta J., Walter B., Musialek M., Schubert DW.:
Rheologisches Verhalten magnetorheologischer Fluide und Elastomere auf Basis von Flüssigsilikon
Geesthachter Polymertage: Praktische Rheologie von Polymeren – Grundlagen und Anwendungen (Geesthacht)
Pelteret JP., Saxena P., Walter B., Davydov D., Steinmann P.:
Towards a computational model of magneto-sensitive polymers
85th Annual Meeting of the International Association of Applied Mathematics and Mechanics (Erlangen, 10. March 2014 - 14. March 2014)
Saxena P., Mokarram H., Walter B., Pelteret JP., Steinmann P.:
Rate dependent deformations in magneto-rheological elastomers: Modelling and experiments
IUTAM Symposium on Thermomechanical-Electromagnetic coupling in solids: Microstructral and Stability Aspects (Paris, 16. June 2014 - 18. June 2014)
Saxena P., Walter B., Kaschta J., Fey T., Steinmann P., Schubert DW.:
Thermodynamically Consistent Model to Predict the Magneto-Rheological Behavior of Magneto-Sensitive Elastomers
9th Annual European Rheology Conference (Karlsruhe, 8. April 2014 - 11. April 2014)
Schubert DW., Kaschta J., Horch RE., Walter B., Daenicke J.:
On the failure of silicone breast implants: New insights by mapping the mechanical properties of implant shells
In: Polymer International 63 (2014), p. 172-178
ISSN: 0959-8103
DOI: 10.1002/pi.4619
Schubert DW., Kaschta J., Horch RE., Walter B., Daenicke J., Wichert F.:
Eine Geschichte des Versagens - der PIP Skandal
Würzbuger Tage 2014 (Würzburg, 21. April 2014 - 22. April 2014)
Schubert DW., Kaschta J., Horch RE., Walter B., Daenicke J., Wichert F.:
Eine Geschichte des Versagens - der PIP Skandal
Würzburger Tage 2014 (Würzburg, 20. March 2014 - 21. March 2014)
Walter B., Daenicke J., Horch RE., Kaschta J., Schubert DW.:
Neuartige Studien zu Silikon-Brustimplantaten
Würzburger Tage 2012 (Würzburg, 13. September 2012 - 14. September 2012)
Walter B., Saxena P., Kaschta J., Schubert DW., Steinmann P.:
Magneto-Sensitive Elastomers: An Experimental Point of View
85th Annual Meeting of the International Association of Applied Mathematics and Mechanics (Erlangen)
Walter B., Saxena P., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
On the Preparation, Characterisation, Modelling and Simulation of Magneto-Sensitive Elastomers
Second Seminar on the Mechanics of Multifunctional Materials (Bad Honnef, 5. May 2014 - 9. May 2014)
In: Schröder J., Lupascu D.C., Keip M.-A., Brands D. (ed.): Proceedings of the Second Seminar on the Mechanics of Multifunctional Materials 2014
Walter B., Saxena P., Pelteret JP., Kaschta J., Schubert DW., Steinmann P.:
On the Preparation, Characterization, Modeling and Simulation of Magneto-Sensitive Elastomers
14th International Conference on Electrorheological Fluids and Magnetorheological Suspensions (Granada, 7. July 2014 - 11. July 2014)

2013

Daenicke J., Walter B., Horch RE., Kaschta J., Schubert DW.:
Versagen von Silikonbrustimplantaten - Neuartige Kartierung und Aufdeckung von Produkt-Clustern
In: Plastische Chirurgie 13 (2013), p. 155-158
ISSN: 1618-6214
Pelteret JP., Davydov D., Javili A., Walter B., Steinmann P.:
Towards a computational model of thermal- and magneto-sensitive polymers
5th International Conference on Computational Methods for Coupled Problems in Science and Engineering (Ibiza, 17. June 2013 - 19. June 2013)
Schubert DW., Horch RE., Daenicke J., Walter B.:
Resilience of Silicone Breast Implants – New Insights by Mapping the Mechanical Properties of Implant Shells
14th BIO NANO-MATERIALS (Erlangen)
Schubert DW., Horch RE., Kaschta J., Daenicke J., Walter B.:
Failure of Silicone Breast Implants – New Insights by Mapping the Mechanical Properties of Implant Shells
13th Bayreuth Polymer Symposium (Bayreuth, 15. September 2013 - 17. September 2013)
Schubert DW., Horch RE., Kaschta J., Daenicke J., Walter B.:
Failure of Silicone Breast Implants – Novel Insights by Mapping the Mechanical Properties of Implant Shells
Nordic Polymer Days (Helsinki, 29. May 2013 - 31. May 2013)
Schubert DW., Kaschta J., Horch RE., Walter B., Daenicke J.:
Failure of Silicone Breast Implants – New Insights by Mapping the Mechanical Properties of Implant Shells
European Polymer Federation (Pisa, 16. June 2013 - 21. June 2013)
In: Book of Abstracts 2013
Walter B., Saxena P., Kaschta J., Schubert DW., Steinmann P.:
Characterisation of Magneto-Sensitive Elastomers; Material Model meets Experimental Results
13th Bayreuth Polymer Symposium, Bayreuth (Bayreuth, 15. September 2013 - 17. September 2013)