<p>This work considers simultaneous homogenization and dimension reduction of a poroelastic model for thin fiber-reinforced hydrogels. The analyzed medium is a two-component system consisting of a connected continuous fiber framework with hydrogel inclusions arranged periodically throughout the medium. The fibers are assumed to operate under quasi-stationary linear elasticity, whereas the hydrogel’s hydromechanical behavior is represented using Biot’s linear poroelasticity model. The asymptotic limit of the coupled system is established when the periodicity and thickness parameters are of the same order and tend to zero simultaneously, utilizing the re-scaling unfolding operator. It is demonstrated that the limit displacement exhibits Kirchhoff–Love-type behavior using the decomposition of plate displacements. Towards the end, a unique solution for the macroscopic problem has been demonstrated.</p>

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Mathematical modeling and homogenization of thin fiber-reinforced hydrogels

  • Amartya Chakrabortty,
  • Haradhan Dutta,
  • Hari Shankar Mahato

摘要

This work considers simultaneous homogenization and dimension reduction of a poroelastic model for thin fiber-reinforced hydrogels. The analyzed medium is a two-component system consisting of a connected continuous fiber framework with hydrogel inclusions arranged periodically throughout the medium. The fibers are assumed to operate under quasi-stationary linear elasticity, whereas the hydrogel’s hydromechanical behavior is represented using Biot’s linear poroelasticity model. The asymptotic limit of the coupled system is established when the periodicity and thickness parameters are of the same order and tend to zero simultaneously, utilizing the re-scaling unfolding operator. It is demonstrated that the limit displacement exhibits Kirchhoff–Love-type behavior using the decomposition of plate displacements. Towards the end, a unique solution for the macroscopic problem has been demonstrated.