A5074199223- High-Velocity Impact and Material Behavior
- Structural Response to Dynamic Loads
- Energetic Materials and Combustion
- Transportation Safety and Impact Analysis
- Advanced Measurement and Detection Methods
- Advanced Surface Polishing Techniques
- Diamond and Carbon-based Materials Research
- Thermal and Kinetic Analysis
- Electromagnetic Launch and Propulsion Technology
- Rocket and propulsion systems research
- Cellular and Composite Structures
- High-pressure geophysics and materials
- Turtle Biology and Conservation
- Plasma Diagnostics and Applications
North University of China
2010-2025
Abstract This study investigates the damage mechanisms and characteristics of carbon fiber/polymethacrylimide (PMI) foam sandwich unmanned aerial vehicle (UAV) structures subjected to combined actions shock wave fragment impact loading through integrated theoretical analysis, experimental testing, numerical simulations. A approach was utilized approximate sequence interactions between fragments waves. The findings reveal that, in far‐field tests, UAV primarily suffers from fragments, with...
To investigate the high-temperature heat flow's destructive effect of solid slow-release energetic materials on a steel target, we prepared sample materials, eruption devices, and complete test system to conduct destruction flow target. In addition, proposed energy density characterise performance numerically simulated The numerical simulation results were in good agreement with results, error between them was under 8.5%. Based steady-state melting model target established action flow....
The cook-off tests and numerical simulations were carried out on the HMX-based PBX to study influence of binder content response characteristics PBX. temperature change history powder column was obtained, in due crystal transformation observed. obtained. In addition, results showed that decreased with increase content. Under same content, damage a slow bomb higher than fast bomb. test, 310.3 ℃~322.5 ℃ critical Estane when grade combustion 5%. conditions, 260.8 ~278.6 ℃. 7%. Numerical...
When a projectile penetrates target at high speed, the charge loaded inside usually bears overload, which will consequently severely affect its performance. In order to reduce overload of during penetration process, structure was improved by adding two buffers both ends charge. this study, mathematical expressions were first gained about axial buffering force generated thin-walled metal tube, aluminum foam, and composite foam-filled tube when they impacted high-speed mass block through...