Abstract
AbstractThis paper presents the static analysis of carbon nanotube reinforced composite (CNT) beams using the finite element method. Uniformly distributed CNT reinforced composite beams and FG-CNT reinforced composite beams are considered. Since the general mixing rule is not suitable for such beams, an extended mixing rule is uses to calculate the materials properties of the beams, taking into account the efficiency parameters of CNT, to include material properties depending on size. The finite elements model was developed for the beam in the ANSYS using the calculated properties of the material. The finite element model is first tested for validation, and then the results are shown for different load and boundary conditions. The influence of the volume fraction of CNT fibers in the composite beams on the bending analysis of beams has been investigated. It turns out that the deflection of the beam is strongly affected by the type of load and the grading of material properties. It is also detected that the bending deflection of the beams decreases with the increase in the volumetric fraction of CNT under different load conditions.KeywordsFEMCNT reinforcedFunctionally gradeComposite beams
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