Compared to other traditional construction materials, such as steel or aluminum alloys, they are light and they have good strength and corrosion resistance. The obtained calculation results were verified experimentally.įabric reinforced layer composites – laminates are more and more often used in the construction of planes, boats, wind turbines, vehicles and other devices and machines. The usefulness of the preprocessor was checked by simulating a three-point bending test of a laminate door beam of a passenger car. A special preprocessor was developed to generate the finite element model of the construction element from laminate, which automatically creates the so-called batch file defining the model. The constants of the finite elements forming RUC (equivalent cross-sectional parameters, limit values of forces ensuring layer integrity) are determined experimentally by performing uncomplicated tests of specimens of a particular laminate. The model takes into account the influence of the number and orientation of layers, the weave of the reinforcement fabric as well as manufacturing technology on the strength and stiffness of the laminate. The article describes a method of creating a mesoscale finite element model of a fabric reinforced laminate that replicates the smallest repetitive fragment of its microstructure – RUC (Repetitive Unit Cell).
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