Challenges and Future Recommendations for Lightning Strike Damage Assessments of Composites: Laboratory Testing and...

Area of Science:

• Materials Science
• Aerospace Engineering
• Structural Integrity

Background:

• Composite materials are crucial in aerospace, wind turbines, and infrastructure.
• Lightning strikes pose a significant threat to the structural integrity and performance of these materials.
• Existing research lacks a comprehensive overview of lightning strike testing and modeling for composites.

Purpose of the Study:

• To review state-of-the-art laboratory testing and damage predictive modeling for composite materials subjected to lightning strikes.
• To elucidate the role of simulated lightning strike tests in damage modeling and validation.
• To identify current challenges and future recommendations for robust lightning damage prediction.

Main Methods:

• Comprehensive literature review of laboratory testing methodologies for simulated lightning strikes.
• Analysis of damage predictive modeling techniques for composite materials.
• Synthesis of experimental data and modeling inputs for validation.

Main Results:

• Simulated lightning strike tests provide essential data for damage modeling and validation.
• Current methodologies face challenges in achieving high-fidelity predictive capabilities.
• Gaps exist in understanding and predicting lightning-induced damage in composites.

Conclusions:

• Advancements in lightning strike testing and modeling are crucial for improving composite material safety and reliability.
• The review identifies key areas for future research and development in lightning damage mitigation strategies.
• Enhanced predictive capabilities will foster innovation in protecting composite structures from lightning.