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- W3213883312 abstract "AbstractExperimental studies provide objective data on the operation of structures. However, experiments take a lot of time and require special equipment. It is not always possible to consider and simulate all the features of the structure’s operation during tests. Instead of a physical experiment a numerical experiment can be carried out with appropriate justification. Numerical studies are based on the use of the finite-element method. Modern computing systems allow to model structures of any size using flat and spatial finite elements, contact interaction of different materials, and physical nonlinearity. This article describes the finite-element models used in the design of CFRP-reinforced steel rods. The numerical results are compared with experimental data obtained when testing CFRP-reinforced steel elements in tension and bending. Numerical calculations were performed using the FEMAP computer complex, considering the physical nonlinearity of the material. The experimental samples were modeled by volumetric finite elements. Taking into account the symmetry of the problem, one-eighth of the experimental element was considered in tension, while in bending, half was considered with the imposition of the corresponding boundary conditions on the elements along the symmetry axes. The characteristics of the materials of steel and lamella used in the calculations were obtained when testing samples of steel and lamella. The characteristics of the glue were obtained by a series of successive calculations when simulating experiments to determine the strength of the adhesive bond between steel and lamella. Comparison of experimental and numerical data showed that the selected parameters of finite-element models provide reliable results.KeywordsStrengtheningCompositesFibArm" @default.
- W3213883312 created "2021-11-22" @default.
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- W3213883312 date "2021-11-09" @default.
- W3213883312 modified "2023-09-25" @default.
- W3213883312 title "Features of Numerical Modeling of CFRP Steel Bars" @default.
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- W3213883312 doi "https://doi.org/10.1007/978-3-030-79983-0_25" @default.
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