Abstract
A novel type of hybrid cell composite structure has been developed and used for many practical applications. Typical macroscopic sub-cells in the cross section structure are formed by the stamping process of partially cured and axially-oriented high modulus carbon fibre bundles. Each bundle is wrapped around by a thin layer of high strength fibres. Main goal of this paper is the simulation of damage of this new composite structure. Modified hierarchy homogenization method (Non-uniform Transformation Field Analysis) was proposed for simulation of damage progress. Modification is based on introducing damage modes. The method is based on assumption that field of in-elastic strain describing damage in each constituents can be decomposed on finite set of fields, called damage modes. Modified NTFA method was incorporated into FEM code and verified in several four-point bending tests.
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