The study of natural fiber-based composites through the use of computational techniques for modelling and optimizing their properties has emerged as a fast-growing approach in recent years. Ecological concerns associated with synthetic fibers have made the utilisation of natural fibers as a reinforcing material in composites a popular approach. Computational techniques have become an important tool in the hands of many researchers to model and analyze the characteristics that influence the mechanical properties of natural fiber composites. This recent trend has led to the development of many advanced computational techniques and software for a profound understanding of the characteristics and performance behavior of composite materials reinforced with natural fibers. The large variations in the characteristics of natural fiber-based composites present a great challenge, which has led to the development of many computational techniques for composite materials analysis. This review seeks to infer, from conventional to contemporary sources, the computational techniques used in modelling, analyzing, and optimizing the mechanical characteristics of natural fiber reinforced composite materials.

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Improvement of existing composite material to obtain new composite materials is the real challenge for most of the materials engineers. So, there are huge research endeavors emerging in the field of composites to grow new materials with upgraded mechanical, electrical and thermal properties. Among these, fiber reinforced polymer composites are the most charming as a result of their sufficient utilization in different applications which incorporates numerous mechanical, automotive and structural components. The present study investigates the mechanical characteristics of a Kevlar/glass fiber reinforced with Cloisite 30B nanoclay. Kevlar fibers have been widely used as impact-resistant reinforcement in composite materials. However, there are very few works about the effects of nanoclays on the impact strength of Kevlar/glass laminates. Nanoclay Cloisite 30B (2 wt.-%) was dispersed in the epoxy system. Such laminates manufactured with epoxy resin filled by 2 wt.-% of nanoclay showed the best performance in terms of elastic recuperation and penetration threshold. The opposite tendency was observed for the displacement at peak load. However, marginal benefits can be found when compared with the results obtained for laminates filled by 2 wt.% nanoclay. Kevlar/glass fibers were reinforced with different particulate fractions of chosen nanoclay and the specimens were investigated regarding mechanical properties such as tensile, impact and flexural strength.

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The present study investigated the mechanical characteristics of epoxy strips reinforced with Cloisite 30B nanoclay. Epoxy materials were reinforced with different particulate fractions of chosen nanoclay and the specimens were investigated regarding mechanical properties such as tensile, impact and flexural strengths. The nanoclay content was varied from 2 to10 wt.-% of the total matrix in the matrices. The results showed that the mechanical properties of the composites mainly depended on the dispersion condition of the filler particles, particle size and aggregate structure. Improved tensile modulus, flexural modulus and impact strength in bending properties with less nanoclay content were observed and were found to decrease with increased filler content.