期刊
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15397734.2022.2116340
关键词
Functionality graded carbon nanotubes; geometric imperfect beam; laminates; stability analysis; three-point bending
类别
In this paper, a novel Persuaded Resilient Design is proposed to enhance the flexural rigidity of a beam by introducing geometric imperfection. By employing finite element analysis, the sustainability of a unique designed geometrically flawed beam incorporating functionally graded CNTs is determined.
Imperfect geometry beams with functionally graded carbon nano tubes (CNT) have recently been used in many structural applications, and many numerical analyses have been performed to assess the stiffness property in beams and structures. Where the stiffness enhancement of a beam greatly contributes to its stability by augmenting the geometrically defective beam's deformation withstanding capabilities under loading. However, the stiffness enhancement in terms of imperfect geometrical design characteristics has not been considered in previous research. Hence in this paper, a novel Persuaded Resilient Design is introduced in which the geometric imperfection is induced in the design in the form of a hollow trapezoidal laminate in such a way that the designed imperfect layered laminate enhances the flexural rigidity of the beam. Additionally, by employing a Parametric Stability Analysis, the act of the curved beam is structured by meshing the design with FEA applying UDL, and three-point bending. The peak and trough sustainability of the unique designed geometrically flawed beam incorporating functionally graded CNTs is determined via a finite element model. Thus, the FG-CNT reinforced curved beam behavior of the novel design is efficiently analyzed.
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