Difference between revisions of "Rudolf Weeber"

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{{Person
 
{{Person
 
|name=Weeber, Rudolf
 
|name=Weeber, Rudolf
−
|status=PhD student
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|status=Senior Lecturer
−
|phone=67717
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|phone=67609
−
|room=1.092
+
|room=1.036
 
|email=Rudolf.Weeber
 
|email=Rudolf.Weeber
 
|image=Rudolf01.jpg
 
|image=Rudolf01.jpg
 
|category=holm
 
|category=holm
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|topical=gel
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|topical2=espresso
 +
|topical3=hydrodynamics
 +
|topical4=active
 +
|board=0
 
}}
 
}}
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 +
Currently, my work is focussed on magnetic gels and elastomers. They are soft elastic materials, into which magnetic particles are embedded. Through the interplay of the elasticity of the matrix and the magnetic properties of the particles, the sample's shape and elasticity can be controlled by means of external magnetic fields.
 +
Predicting this behaviour accurately is, however, rather difficult, as, typically several effects are at work at the same time. We approach the topic using computer simulations, as they allow for precise control of individual aspects of the models, and we can study the relevant mechanisms separate from each other.
 +
 +
I am also involved in work on nanoparticles in a flow and micro-rheology,
 +
in particular, the irreversible agglomeration of soot particles in turbulent flow as well as the study of local jamming effects in optical tweezer experiments.
 +
 +
I am interested in the development of simulation software and am a contributor to the ESPResSo molecular dynamics package.
 +
  
 
==Publications==
 
==Publications==
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<bibentry pdflink=yes>
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<bibentry pdflink=no>
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weeber08a,
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kreissl23a,
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tischler22a,
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bindgen21a,
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weeber21a,
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kreissl21a,
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weeber19b,
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weeber19a,
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smiljanic19a,
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weik19a,
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weeber18a,
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inci17a,
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huang16a,
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weeber15c,
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pessot15a,
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weeber15a,
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weeber14a,
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inci14a,
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weeber13a,
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klinkigt13a,
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weeber12b,
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weeber12a,
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bachthaler12a,
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arnold12a,
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klinkigt11b,
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kantorovich11b,
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kantorovich11a,
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krewitt11a,
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gutsche11a,
 
gutsche08a,
 
gutsche08a,
−
gutsche11a,
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weeber08a
−
kantorovich11a,
 
−
kantorovich11b,
 
−
klinkigt11b,
 
−
arnold12a,
 
−
bachthaler12a,
 
−
weeber12a
 
 
</bibentry>
 
</bibentry>
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==CV==
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* 2000: Abitur with majors in politics and physics
 +
 +
* 2000 - 2008: Studies of physics at the University of Stuttgart
 +
:Specializations: Simulation methods, electronic structure of condensed matter
 +
:Diplomarbeit: "Dynamical simulation of colloids and their interactions" concerning local jamming effects in optical tweezer experiments.
 +
:Advisor: J. Harting
 +
 +
* 2008: Research assistant at the Insitute for Computational Physics, University of Stuttgart
 +
:Work on fluid-particle coupling schemes in SRD/MD simulations
 +
 +
* 2008: Intern at the German Aerospace Center in the Department of Systems Analysis and Technology Assessment
 +
:Agent-based simulations on the market integration of renewable energies
 +
 +
* 2008 - 2009: Researcher in the same group
 +
 +
* 2009 - 2015: Doctoral researcher at the Institute for Computational Physics and in the graduate school of the Stuttgart Research Center for Simulation Technology, University of Stuttgart
 +
:Thesis: "Simulation of novel soft magnetic materials"
 +
:Advisor: C. Holm
 +
* since 2015: Postdoc in the same group
 +
:Work on magnetic gels and elastomers

Latest revision as of 12:08, 7 February 2023

Rudolf01.jpg
Rudolf Weeber
Senior Lecturer
Office:1.036
Phone:+49 711 685-67609
Fax:+49 711 685-63658
Email:Rudolf.Weeber _at_ icp.uni-stuttgart.de
Address:Rudolf Weeber
Institute for Computational Physics
Universität Stuttgart
Allmandring 3
70569 Stuttgart
Germany

Currently, my work is focussed on magnetic gels and elastomers. They are soft elastic materials, into which magnetic particles are embedded. Through the interplay of the elasticity of the matrix and the magnetic properties of the particles, the sample's shape and elasticity can be controlled by means of external magnetic fields. Predicting this behaviour accurately is, however, rather difficult, as, typically several effects are at work at the same time. We approach the topic using computer simulations, as they allow for precise control of individual aspects of the models, and we can study the relevant mechanisms separate from each other.

I am also involved in work on nanoparticles in a flow and micro-rheology, in particular, the irreversible agglomeration of soot particles in turbulent flow as well as the study of local jamming effects in optical tweezer experiments.

I am interested in the development of simulation software and am a contributor to the ESPResSo molecular dynamics package.


Publications

  • Patrick Kreissl, Christian Holm, Rudolf Weeber.
    Interplay Between Steric and Hydrodynamic Interactions for Ellipsoidal Magnetic Nanoparticles in a Polymer Suspension.
    Soft Matter 19(6):1186–1193, 2023.
    [DOI]
  • Ingo Tischler, Florian Weik, Robert Kaufmann, Michael Kuron, Rudolf Weeber, Christian Holm.
    A thermalized electrokinetics model including stochastic reactions suitable for multiscale simulations of reaction–advection–diffusion systems.
    Journal of Computational Science 63:101770, 2022.
    [Preprint] [DOI]
  • Sebastian Bindgen, Florian Weik, Rudolf Weeber, Erin Koos, Pierre de Buyl.
    Lees–Edwards boundary conditions for translation invariant shear flow: Implementation and transport properties.
    Physics of Fluids 33(8):083615, 2021.
    [DOI]
  • Rudolf Weeber, Patrick Kreissl, Christian Holm.
    Magnetic field controlled behavior of magnetic gels studied using particle-based simulations.
    Physical Sciences Reviews :20190106, 2021.
    [DOI]
  • Patrick Kreissl, Christian Holm, Rudolf Weeber.
    Frequency-dependent magnetic susceptibility of magnetic nanoparticles in a polymer solution: a simulation study.
    Soft Matter 17(1):174–183, 2021.
    [DOI]
  • Rudolf Weeber, Franziska Nestler, Florian Weik, Michael Pippig, Daniel Potts, Christian Holm.
    Accelerating the calculation of dipolar interactions in particle based simulations with open boundary conditions by means of the P2NFFT method.
    Journal of Computational Physics 391:243–258, 2019.
    [Preprint] [DOI]
  • Rudolf Weeber, Patrick Kreissl, Christian Holm.
    Studying the field-controlled change of shape and elasticity of magnetic gels using particle-based simulations.
    Archive of Applied Mechanics 89(1):3–16, 2019.
    [DOI]
  • Milena Smiljanic, Rudolf Weeber, Dirk Pflüger, Christian Holm, Andreas Kronenburg.
    Developing coarse-grained models for agglomerate growth.
    European Physical Journal Special Topics 227(14):1515–1527, 2019.
    [DOI]
  • Florian Weik, Rudolf Weeber, Kai Szuttor, Konrad Breitsprecher, Joost de Graaf, Michael Kuron, Jonas Landsgesell, Henri Menke, David Sean, Christian Holm.
    ESPResSo 4.0 – an extensible software package for simulating soft matter systems.
    European Physical Journal Special Topics 227(14):1789–1816, 2019.
    [DOI]
  • Rudolf Weeber, Melissa Hermes, Annette M. Schmidt, Christian Holm.
    Polymer architecture of magnetic gels: a review.
    Journal of Physics: Condensed Matter 30(6):063002, 2018.
    [DOI]
  • G. Inci, A. Kronenburg, R. Weeber, D. Pflüger.
    Langevin Dynamics Simulation of Transport and Aggregation of Soot Nano-particles in Turbulent Flows.
    Flow, Turbulence and Combustion 98(4):1065–1085, 2017.
    [DOI]
  • Shilin Huang, Giorgio Pessot, Peet Cremer, Rudolf Weeber, Christian Holm, Johannes Nowak, Stefan Odenbach, Andreas M. Menzel, Günter K. Auernhammer.
    Buckling of paramagnetic chains in soft gels.
    Soft Matter 12(1):228–237, 2016.
    [DOI]
  • Rudolf Weeber, Sofia Kantorovich, Christian Holm.
    Ferrogels cross-linked by magnetic particles: Field-driven deformation and elasticity studied using computer simulations.
    The Journal of Chemical Physics 143(15):154901, 2015.
    [DOI]
  • Giorgio Pessot, Rudolf Weeber, Christian Holm, Hartmut Löwen, Andreas M. Menzel.
    Towards a scale-bridging description of ferrogels and magnetic elastomers.
    Journal of Physics: Condensed Matter 27(32):325105, 2015.
    [DOI]
  • Rudolf Weeber, Sofia Kantorovich, Christian Holm.
    Ferrogels cross-linked by magnetic nanoparticles – Deformation mechanisms in two and three dimensions studied by means of computer simulations.
    Journal of Magnetism and Magnetic Materials 383:262–266, 2015.
    [DOI]
  • Rudolf Weeber.
    Simulation of novel magnetic materials in the field of soft matter.
    PhD thesis, University Stuttgart, 2014.
  • G. Inci, A. Arnold, A. Kronenburg, R. Weeber.
    Modeling Nanoparticle Agglomeration using Local Interactions.
    Aerosol Science and Technology 48(8):842–852, 2014.
    [DOI]
  • Rudolf Weeber, Marco Klinkigt, Sofia Kantorovich, Christian Holm.
    Microstructure and magnetic properties of magnetic fluids consisting of shifted dipole particles under the influence of an external magnetic field.
    The Journal of Chemical Physics 139(21):214901, 2013.
    [DOI]
  • Marco Klinkigt, Rudolf Weeber, Sofia Kantorovich, Christian Holm.
    Cluster formation in systems of shifted-dipole particles.
    Soft Matter 9(13):3535–3546, 2013.
    [DOI]
  • R. Weeber, J. Harting.
    Hydrodynamic interactions in active colloidal crystal microrheology.
    Physical Review E 86(5):057302, 2012.
    [DOI]
  • Rudolf Weeber, Sofia Kantorovich, Christian Holm.
    Deformation mechanisms in 2D magnetic gels studied by computer simulations.
    Soft Matter 8(38):9923–9932, 2012.
    [DOI]
  • Sven Bachthaler, Filip Sadlo, Rudolf Weeber, Sofia Kantorovich, Christian Holm, Daniel Weiskopf.
    Magnetic Flux Topology of 2D Point Dipoles.
    Computer Graphics Forum 31(3, Part 1):955–964, 2012.
    [DOI]
  • Marco Klinkigt, Rudolf Weeber, Sofia Kantorovich, Christian Holm.
    System of particles with shifted magnetic dipoles.
    Magnetohydrodynamics 47(2):143–148, 2011.
    [URL]
  • Sofia Kantorovich, Rudolf Weeber, Juan J. Cerdà, Christian Holm.
    Magnetic particles with shifted dipoles.
    Journal of Magnetism and Magnetic Materials 323(10):1269–1272, 2011.
    [DOI]
  • Sofia Kantorovich, Rudolf Weeber, Juan J. Cerdà, Christian Holm.
    Ferrofluids with shifted dipoles: ground state structures.
    Soft Matter 7(11):5217–5227, 2011.
    [DOI]
  • Wolfram Krewitt, Kristina Nienhaus, Nils Roloff, Rudolf Weeber, Matthias Reeg, Wolfgang Weimer-Jehle, Sandra Wassermann, Gerhard Fuchs, Thomas Kast, Bernd Schmidt, Uwe Leprich, Ev Hauser.
    Analyse von Rahmenbedingungen für die Integration erneuerbarer Energien in die Strommärkte auf der Basis agentenbasierter Simulation.
    2011.
    [URL]
  • C. Gutsche, M. M. Elmahdy, K. Kegler, I. Semenov, T. Stangner, O. Otto, O. Ueberschär, U. F. Keyser, M. Krueger, M. Rauscher, R. Weeber, J. Harting, Y. W. Kim, V. Lobaskin, R. R. Netz, F. Kremer.
    Micro-rheology on (polymer-grafted) colloids using optical tweezers.
    Journal of Physics: Condensed Matter 23(18):184114, 2011.
    [DOI]
  • Christof Gutsche, Friedrich Kremer, Matthias Krüger, Markus Rauscher, Rudolf Weeber, Jens Harting.
    Colloids dragged through a polymer solution: experiment, theory and simulation.
    The Journal of Chemical Physics 129(8):084902, 2008.
    [Preprint] [DOI]
  • Rudolf Weeber.
    Dynamic Simulations Of Colloids And Their Interactions.
    Master's thesis, University of Stuttgart, 2008.


CV

  • 2000: Abitur with majors in politics and physics
  • 2000 - 2008: Studies of physics at the University of Stuttgart
Specializations: Simulation methods, electronic structure of condensed matter
Diplomarbeit: "Dynamical simulation of colloids and their interactions" concerning local jamming effects in optical tweezer experiments.
Advisor: J. Harting
  • 2008: Research assistant at the Insitute for Computational Physics, University of Stuttgart
Work on fluid-particle coupling schemes in SRD/MD simulations
  • 2008: Intern at the German Aerospace Center in the Department of Systems Analysis and Technology Assessment
Agent-based simulations on the market integration of renewable energies
  • 2008 - 2009: Researcher in the same group
  • 2009 - 2015: Doctoral researcher at the Institute for Computational Physics and in the graduate school of the Stuttgart Research Center for Simulation Technology, University of Stuttgart
Thesis: "Simulation of novel soft magnetic materials"
Advisor: C. Holm
  • since 2015: Postdoc in the same group
Work on magnetic gels and elastomers
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