This study investigates the effect of imperfections on the non-linear static buckling behavior of laminated composite plates, with a specific focus on those incorporating jute fibers. The increasing demand for lightweight and high-strength materials has led to the extensive use of laminated composites in various industries like aerospace, biomedical, automobile, and civil engineering fields. However, imperfections in these materials can significantly influence their structural integrity and performance. The incorporation of jute fibers aligns with sustainability goals, offering a more eco-friendly alternative to traditional composite materials. The findings of this work provide interaction between imperfections, material characteristics, and buckling behavior in laminated composite plates with natural fiber content. Understanding the effect of imperfections on non-linear static buckling loads is crucial for optimizing the design and performance of these materials in practical engineering applications. Ultimately, this work aids in evaluating the potential of jute fibers to be used in structural applications when subjected to in-plane loads. The work involves numerical analysis to assess the impact of imperfections on the non-linear static buckling loads of laminated composite plates. The study primarily examines cross-ply laminated composite plates constructed from natural fibers. To establish the validity of the analysis, validation studies are conducted by comparing the results with existing literature. The investigation encompasses two key aspects frequency response analysis and linear static buckling load evaluation. Moreover, imperfections are introduced into the analysis, in the form of the first five buckling mode shapes. This approach enables a comprehensive understanding of how imperfections influence the non-linear static buckling behavior of the plates. Additionally, the study explores the role of ply orientation in the context of imperfections and buckling behavior.

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Effect of Imperfection in Non-linear Static Buckling of Laminated Composite Hexagonal Plate with Incorporation of Jute Fibers

  • C. R. Sathwik,
  • Vasanth Keshav,
  • M. R. GouthamRaj

摘要

This study investigates the effect of imperfections on the non-linear static buckling behavior of laminated composite plates, with a specific focus on those incorporating jute fibers. The increasing demand for lightweight and high-strength materials has led to the extensive use of laminated composites in various industries like aerospace, biomedical, automobile, and civil engineering fields. However, imperfections in these materials can significantly influence their structural integrity and performance. The incorporation of jute fibers aligns with sustainability goals, offering a more eco-friendly alternative to traditional composite materials. The findings of this work provide interaction between imperfections, material characteristics, and buckling behavior in laminated composite plates with natural fiber content. Understanding the effect of imperfections on non-linear static buckling loads is crucial for optimizing the design and performance of these materials in practical engineering applications. Ultimately, this work aids in evaluating the potential of jute fibers to be used in structural applications when subjected to in-plane loads. The work involves numerical analysis to assess the impact of imperfections on the non-linear static buckling loads of laminated composite plates. The study primarily examines cross-ply laminated composite plates constructed from natural fibers. To establish the validity of the analysis, validation studies are conducted by comparing the results with existing literature. The investigation encompasses two key aspects frequency response analysis and linear static buckling load evaluation. Moreover, imperfections are introduced into the analysis, in the form of the first five buckling mode shapes. This approach enables a comprehensive understanding of how imperfections influence the non-linear static buckling behavior of the plates. Additionally, the study explores the role of ply orientation in the context of imperfections and buckling behavior.