Session Code: A

Minisymposium Title: Active Polar Gels

Minisymposium Description: The hydrodynamic equations of active polar gels model the continuum, macroscopic mechanics of a collection of uniaxial active agents, embedded in a viscous bulk medium, in which internal stresses are induced due to dissipation of energy. The energy-consuming uniaxial polar agents are modeled by a polarization field, which is governed by an equation of motion. The relationship between the strain rate and the stress in the fluid is provided by a constitutive equation. These equations, along with conservation of momentum, provide a continuum hydrodynamic description modeling active polar viscous gels as an energy consuming, anisotropic, non-Newtonian fluid. Within this minisymposium we will discuss modeling aspects, various applications and numerical issues.

Minisymposium Organizer: Axel Voigt, Technische Universität Dresden, Germany


Igor Aronson, Argonne National Laboratory, USA - Collisions of Deformable Cells Lead to Collective Migration Axel Voigt, Technische Universität Dresden, Germany - Collective Motion of Cells under the Influence of Hydrodynamics
Rhoda Hawkins, University of Sheffield, United Kingdom - Modelling the Cell Cytoskeleton As An Active Polar Gel: Cell Deformation and Movement
Francesco Alaimo, TU Dresden, Germany - Collective Dynamics on Large Scales - a Phase Field Crystal Like Approach
Ivo Sbalzarini, Max Planck Institute of Molecular Cell Biology and Genetics, Germany - A Hybrid Particle-Mesh Method for Incompressible Active Polar Viscous Gels


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