We describe transport of vesicles in an elastic body in terms of a phase field. Besides standard forces implied by macroscopic strain, we account for a balance of microstructural actions induced by vesicle-to-vesicle interactions, vesicle self-actions, membrane bending and related nonlinear pressure- type confinement effects on vesicles. For the resulting balance equations, we prove existence and uniqueness of appropriate weak solutions (the so-called regular weak ones). Also, in the absence of bulk forces and under homogeneous Neumann-type boundary conditions, we prove a weak maximum principle for the vesicle phase-field.
Moving vesicles in elastic tissues: A model with existence and uniqueness of weak solutions / Luca Bisconti; Paolo Maria Mariano. - In: PHYSICA D-NONLINEAR PHENOMENA. - ISSN 0167-2789. - STAMPA. - 430:(2022), pp. 1-11. [10.1016/j.physd.2021.133079]
Moving vesicles in elastic tissues: A model with existence and uniqueness of weak solutions
Luca Bisconti;Paolo Maria Mariano
2022
Abstract
We describe transport of vesicles in an elastic body in terms of a phase field. Besides standard forces implied by macroscopic strain, we account for a balance of microstructural actions induced by vesicle-to-vesicle interactions, vesicle self-actions, membrane bending and related nonlinear pressure- type confinement effects on vesicles. For the resulting balance equations, we prove existence and uniqueness of appropriate weak solutions (the so-called regular weak ones). Also, in the absence of bulk forces and under homogeneous Neumann-type boundary conditions, we prove a weak maximum principle for the vesicle phase-field.File | Dimensione | Formato | |
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