Nonlinear Thermomechanical Low-Velocity Impact Behaviors of Geometrically Imperfect GRC Beams
2024

Impact Behavior of Geometrically Imperfect GRC Beams

publication Evidence: moderate

Author Information

Author(s): Zhang Tao, Li Qiang, Mao Jia-Jia, Zha Chunqing

Primary Institution: Beijing Key Laboratory of High Dynamic Navigation Technology, Beijing Information Science & Technology University

Hypothesis

How do geometric imperfections and thermal environments affect the low-velocity impact response of GRC beams?

Conclusion

The study found that the type and amplitude of geometric imperfections significantly influence the impact response of GRC beams.

Supporting Evidence

  • Geometric imperfections significantly affect the mechanical behavior of structures.
  • Graphene nanoplatelets improve the thermal and mechanical performance of composites.
  • The study provides insights into optimizing GRC beam designs for impact resilience.

Takeaway

This study looks at how bumps and dips in beams made of special materials affect how they react when something hits them slowly.

Methodology

The study used a modified nonlinear Hertz contact law and the von Kármán nonlinear displacement-strain relationship to analyze the impact response.

Limitations

The study primarily focuses on low-velocity impacts and may not account for other types of loading conditions.

Digital Object Identifier (DOI)

10.3390/ma17246062

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