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@ARTICLE{Wouters:886124,
      author       = {Wouters, Maarten and Aouane, Othmane and Sega, Marcello and
                      Harting, Jens},
      title        = {{C}apillary interactions between soft capsules protruding
                      through thin fluid films},
      journal      = {Soft matter},
      volume       = {16},
      number       = {48},
      issn         = {1744-6848},
      address      = {London},
      publisher    = {Royal Soc. of Chemistry},
      reportid     = {FZJ-2020-04287},
      pages        = {10910-10920},
      year         = {2020},
      abstract     = {When a suspension dries, the suspending fluid evaporates,
                      leaving behind a dry film composedof the suspended
                      particles. During the final stages of drying, the height of
                      the fluid film on thesubstrate drops below the particle
                      size, inducing local interface deformations that lead to
                      strongcapillary interactions among the particles. Although
                      capillary interactions between rigid particles arewell
                      studied, much is still to be understood about the behaviour
                      of soft particles and the role oftheir softness during the
                      final stages of film drying. Here, we use our
                      recently-introduced numericalmethod that couples a fluid
                      described using the lattice Boltzmann approach to a finite
                      elementdescription of deformable objects to investigate the
                      drying process of a film with suspended softparticles. Our
                      measured menisci deformations and lateral capillary forces,
                      which agree well withprevious theoretical and experimental
                      works in case of rigid particles, show that the
                      deformationsbecome smaller with increasing particles
                      softness, resulting in weaker lateral interaction forces.
                      Atlarge interparticle distances, the force approaches that
                      of rigid particles. Finally, we investigate thetime
                      dependent formation of particle clusters at the late stages
                      of the film drying.},
      cin          = {IEK-11 / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-11-20140314 / $I:(DE-82)080012_20140620$},
      pnm          = {121 - Solar cells of the next generation (POF3-121) /
                      Dynamics of complex fluids $(jiek11_20191101)$},
      pid          = {G:(DE-HGF)POF3-121 / $G:(DE-Juel1)jiek11_20191101$},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33118575},
      UT           = {WOS:000602717400009},
      doi          = {10.1039/D0SM01385D},
      url          = {https://juser.fz-juelich.de/record/886124},
}