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This study explored the finite elementComposite materials modelingCharacterization of a composite materialComposite materials made from epoxy resinEpoxy resin and long hemp fibers arranged in a unidirectional orientation. Two methods were analyzed to estimate their mechanical propertiesMechanical properties: the law of mixtures method and the Mori–Tanaka method. These methods were used to calculate parameters such as elastic modulus, and shear strength, Poisson ratio, longitudinally and transversely. The result was a stiffness matrix that can be implemented in finite element software, in this case COMSOL, to simulate the compositeComposites under equivalent impact loads. This methodology not only demonstrated the viability of hemp as a natural reinforcement but also paves the way for research into other plant fibers in future developments. This work provides a method for future work with other types of natural fibersNatural fibers, which, due to their variable properties, make modeling with computational methods quite difficult.

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Characterization and FEM Orthotropic Modeling of Hemp Fiber-Reinforced Epoxy Matrix Composite Material

  • 会议论文

  • 发表日期：

    2026年

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  • Edisson F. Ordonez,
  • Wilfredo Montealegre,
  • Henry A. Colorado

摘要

This study explored the finite elementComposite materials modelingCharacterization of a composite materialComposite materials made from epoxy resinEpoxy resin and long hemp fibers arranged in a unidirectional orientation. Two methods were analyzed to estimate their mechanical propertiesMechanical properties: the law of mixtures method and the Mori–Tanaka method. These methods were used to calculate parameters such as elastic modulus, and shear strength, Poisson ratio, longitudinally and transversely. The result was a stiffness matrix that can be implemented in finite element software, in this case COMSOL, to simulate the compositeComposites under equivalent impact loads. This methodology not only demonstrated the viability of hemp as a natural reinforcement but also paves the way for research into other plant fibers in future developments. This work provides a method for future work with other types of natural fibersNatural fibers, which, due to their variable properties, make modeling with computational methods quite difficult.