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In this paper homogenization of a mathematical model for plant tissue biomechanics is presented. The microscopic model constitutes a strongly coupled system of reaction-diffusionconvection equations for chemical processes in plant cells, the equations of poroelasticity for elastic deformations of plant cell walls and middle lamella, and Stokes equations for fluid flow inside the cells. The chemical process in cells and the elastic properties of cell walls and middle lamella are coupled because elastic moduli depend on densities involved in chemical reactions, whereas chemical reactions depend on mechanical stresses. Using homogenization techniques we derive rigorously macroscopic model for plant biomechanics. To pass to the limit in the nonlinear reaction terms, which depend on elastic strain, we prove the strong two-scale convergence of the displacement gradient and velocity field.
|Number of pages||49|
|Journal||Multiscale Modeling and Simulation: A SIAM Interdisciplinary Journal|
|Early online date||9 Nov 2016|
|Publication status||Published - 2017|
- Two-scale convergence
- Periodic unfolding method
- Stokes system
- Biomechanics of plant tissues
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