Результаты поиска по 'plain weave':
Найдено статей: 2
  1. Kozhanov D.A., Lyubimov A.K.
    Import model of flexible woven composites in ANSYS Mechanical APDL
    Computer Research and Modeling, 2018, v. 10, no. 6, pp. 789-799

    A variant of import into ANSYS Mechanical APDL system of the model of behavior of flexible woven composite materials with reinforcing weaving cloth of linen at static stretching along the reinforcement yarns is offered. The import was carried out using an integration module based on the use of an analytical model of deformation of the material under study. The model is presented in the articles published earlier and takes into account the changes in the geometric structure occurring in the reinforcing layer of the material during the deformation process, the formation of irreversible deformations and the interaction of cross-lying reinforcing fabric threads. In the introduction input characteristics of the plain weave of the reinforcing fabric and the analytical model imported into ANSYS are briefly described. The input parameters of the module are the mechanical characteristics of the materials that make up the composite (binder and material of reinforcement yarns), the geometric characteristics of the interlacing of the reinforcing fabric. The algorithm for importing the model is based on the calculation and transfer in ANSYS of the calculated points of the material stress-strain diagram for uniaxial stretching along the reinforcement direction and using the Multilinear Kinematich Hardening model material embedded in the ANSYS. The analytical model imported with the help of the presented module allows to model a composite material with reinforcing fabric without a detailed description of the geometry of the interlacing of threads during modeling of the material as a whole. The imported model was verified. For verification full-scale experimental studies and numerical simulation of the stretching of samples from flexible woven composites were carried out. The analysis of the obtained results showed good qualitative and quantitative agreement of calculations.

    Keywords: flexible woven composite, experiment, material model, permanent deformation, ANSYS, stress-strain diagram.
    Views (last year): 34.
  2. Lyubimov A.K., Kozhanov D.A.
    Modeling the structural element of flexible woven composites under static tension using the method of finite element in ANSYS
    Computer Research and Modeling, 2016, v. 8, no. 1, pp. 113-120

    The article gives the example of finite-element modeling of the structural element is a flexible woven composites. The reinforcing cloth is a plain weave of threads of assembled harness. Threads are represented by elastic material. The matrix of the material is a soft polymer with the possibility of irreversible deformations. Taken into account the possibility of the occurrence of damage in the structure of the material under high loads. Built detailed diagram of deformation under uniaxial tension. The accuracy of the model is conrmed by in situ experiments.

    Keywords: flexible woven composite material, deformation diagram, the accumulation of damage, a preliminary damage, finite element method, experiment, plain weave, weave structure.
    Views (last year): 1. Citations: 7 (RSCI).

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