Dynamic Characteristics of Woven Flax/Epoxy Laminated Composite Plate

Abstract

Due to the growing environmental awareness, the development of sustainable green composites is in high demand in composite industries, mainly in the automotive, aircraft, construction and marine applications. This work was an attempt to experimentally and numerically investigate the dynamic characteristics of Woven Flax/Bio epoxy laminated composite plates. In addition, the optimisation study on the dynamic behaviours of the Woven Flax/Bio epoxy composite plate is carried out using the response surface methodology (RSM) by consideration of the various parameters like ply orientation, boundary condition and aspect ratio. The elastic constants of the Woven Flax/Bio epoxy composite lamina needed for the numerical simulation are determined experimentally using two methods, i.e., the usual mechanical tests as well as through the impulse excitation of vibration-based approach and made a comparison between them. The numerical analysis on the free vibration characteristics of the composite was carried out using ANSYS, a finite element analysis (FEA) software. The confirmation of the FE model was accomplished by comparing the numerical results with its experimental counterpart. Finally, a comparison was made between the results obtained through the regression equation and finite element analysis.

Effects of stacking sequences and longitudinal parameter on the dynamic characteristics of multilayer glass epoxy composite

“…From the figure 1-3 and table 3-5, it can be considered that the fiber orientation and length of the composite may have a relation with each other. As the length increases, the natural frequency is maximum for the #1 orientation than other orientations at higher modes, too which is similar to the result obtained by [25].…”

“…Capasso et al [24] modelled the fiber composite material with solid and shell elements respectively to investigate the structural intensity of the composite material. Gopalan et al [25] investigated effect of stacking sequences on composite numerically and experimentally and found that the natural frequency is more for 0 0 fiber orientations compared to other orientations irrespective of the boundary conditions for out of plane vibrations. Motivated by the information, an attempt is made to conduct a numerical study to understand the effects of fibre orientations and variation in longitudinal parameter on the vibrational characteristics of multilayer composite plate.…”

Optimization of the Young's modulus of woven composite material made by Raphia vinifiera fiber/epoxy

“…In addition, by comparing Young's bending modules to those of traction in the diagram in Figure 9, we find that although the composite is more resistant in bending it is stiffer in traction. This same phenomenon is observed on the woven composite of Flax-epoxy fiber [52]. Moreover, the aforementioned works have applied in the fields of boating, automotive and aeronautics.…”

Investigation of Mechanical Behaviors of Functionally Graded CNT-Reinforced Composite Plates

“…Arefi et al [22] presented the size-dependent deflection analysis of FG-CNTRC micro-plates by applying the third-order shear deformation theory to the principle of virtual work. Gopalan et al [23] attempted to experimentally and numerically investigate the dynamic characteristics of flax/bio epoxy functionally laminated composite plates and performed an optimization study using the response surface method (RSM). Cheshmeh et al [24] investigated the buckling and free vibration of FG-CNTRC rectangular plates using the higher-order shear deformation theory.…”