Homogenization of biomechanical models of plant tissues with randomly distributed cells
Homogenization of biomechanical models of plant tissues with randomly distributed cells
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具有随机分布细胞的植物组织生物力学模型的均质化
DOI:
10.1088/1361-6544/ab95ab
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发表时间:
2020
期刊:
影响因子:
1.7
通讯作者:
Piatnitski A
中科院分区:
文献类型:
--
作者:
Piatnitski A
In this paper homogenization of a mathematical model for biomechanics of a plant tissue with randomly distributed cells is considered. Mechanical properties of a plant tissue are modelled by a strongly coupled system of reaction-diffusion-convection equations for chemical processes in plant cells and cell walls, the equations of poroelasticity for elastic deformations of plant cell walls and middle lamella, and the Stokes equations for fluid flow inside the cells. The nonlinear coupling between the mechanics and chemistry is given by the dependence of elastic properties of plant tissue on densities of chemical substances as well as by the dependence of chemical reactions on mechanical stresses present in a tissue. Using techniques of stochastic homogenization we derive rigorously macroscopic model for plant tissue biomechanics with random distribution of cells. Strong stochastic two-scale convergence is shown to pass to the limit in the non-linear reaction terms. Appropriate meaning of the boundary terms is introduced to define the macroscopic equations with flux boundary conditions and transmission conditions on the microscopic scale.
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10.1111/nph.12764
发表时间:
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期刊:
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影响因子:
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