Review on integral stiffened panel of aircraft fuselage structure
April 2025
The increasing demand to decrease manufacturing costs and weight reduction is driving the aircraft industry to change the use of conventional riveted stiffened panels to integral stiffened panels (ISP)...
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Research on the protection mechanism of methane explosion in underground space by flexible construction
April 2025
Urban growth has promoted the use of underground spaces, where explosion accidents can be catastrophic. In this study, we investigated the effect of placing flexible construction in front of rigid obstacles...
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Influence of cryogenic treatment on mechanical and ballistic properties of AA5754 alloy friction stir welded joints
April 2025
In the present study, the mechanical and ballistic properties of friction stir welded (FSW) aluminum alloy (AA5754) samples were investigated, both untreated and cryogenically treated, when impacted...
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Hypersonic glide vehicle trajectory prediction based on frequency enhanced channel attention and light sampling-oriented MLP network
April 2025
Hypersonic Glide Vehicles (HGVs) are advanced aircraft that can achieve extremely high speeds (generally over 5 Mach) and maneuverability within the Earth's atmosphere. HGV trajectory prediction is...
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Experimental and numerical study on external explosions of cylindrical versus spherical charges at tunnel entrance
April 2025
Most of the existing studies on tunnel blast wave are based on spherical or grouped charges, however, conventional weapons are mostly cylindrical rather than spherical. In order to analyze the impact...
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Study on the effects of combustion characteristics of pyrotechnic charges on pyrotechnic shocks
April 2025
This study calculates the combustion characteristics of various gas-generating and micro gas pyrotechnic charges, including aluminium/potassium perchlorate, boron/potassium nitrate, carbon black/potassium...
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Triple point path prediction for height of burst explosion in high-altitude environment
April 2025
Accurately forecasting the triple point (TP) path is essential for analyzing blast loads and assessing the destructive effectiveness of the height of burst explosion. Empirical models that describe...
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3D printed hybrid rocket fuels with μAl core-shell particles coated with polyvinylidene fluoride and polydopamine: Enhanced combustion characteristics
April 2025
3D printing technology enhances the combustion characteristics of hybrid rocket fuels by enabling complex geometries. However, improvements in regression rates and energy properties of monotonous 3D...
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Interface geometry modification to trap plasticized flash for improved joint strength of dissimilar rotary friction welds
April 2025
Rotary friction welding is a highly effective solid-state technique for joining dissimilar materials, which offers the potential for significant weight reduction without compromising strength. Traditionally,...
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Modification and experimental validation of the Forrestal-Warren perforation model for high hardness armor steel plates of intermediate thickness
April 2025
This paper proposes a modification of the Forrestal-Warren perforation model aimed at extending its applicability range to intermediately-thick high-hardness armor steel plates. When impacted by armor-piercing...
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A fast-running engineering tool for assessing structural vulnerability to blast loading
April 2025
Assessing the vulnerability of a platform is crucial in its design. In fact, the results obtained from vulnerability analyses provide valuable information, leading to precise design choices or corrective...
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Three-dimensional finite-time optimal cooperative guidance with integrated information fusion observer
April 2025
Intercepting high-maneuverability hypersonic targets in near-space environments poses significant challenges due to their extreme speeds and evasive capabilities. To address these challenges, this study...
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Experimental and numerical study on attenuation of shock waves in ventilation pipes
April 2025
With different structural forms of ventilation pipes have various attenuation effects on incident shock waves while meeting ventilation requirements. The attenuation mechanism and the propagation law...
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Research on multi-view collaborative detection system for UAV swarms based on Pix2Pix framework and BAM attention mechanism
April 2025
Drone swarm systems, equipped with photoelectric imaging and intelligent target perception, are essential for reconnaissance and strike missions in complex and high-risk environments. They excel in...
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Toughening modification of cellulose acetate butyrate and using for CL-20-based polymer bonded explosives
April 2025
CAB is a binder commonly utilized in CL-20-based mixed explosives. Based on the requirements of CL-20-based polymer bonded explosives in formability, safety, and detonation energy, we explored a high-toughness...
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A general viscoelastic foundation model for vibration analysis of functionally graded sandwich plate with auxetic core
April 2025
This study presents a significant advancement in the vibration analysis of functionally graded sandwich plates with auxetic cores by introducing a general viscoelastic foundation model that more accurately...
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A novel trajectories optimizing method for dynamic soaring based on deep reinforcement learning
April 2025
Dynamic soaring, inspired by the wind-riding flight of birds such as albatrosses, is a biomimetic technique which leverages wind fields to enhance the endurance of unmanned aerial vehicles (UAVs). Achieving...
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Numerical investigation on the engraving process of a pyrotechnic actuator with an improved two-phase flow model of interior ballistic
April 2025
By combining with an improved model on engraving process, a two-phase flow interior ballistic model has been proposed to accurately predict the flow and energy conversion behaviors of pyrotechnic actuators....
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Comparative study on the oblique water-entry of high-speed projectile based on rigid-body and elastic-plastic body model
April 2025
To examine the similarities and differences in the evolution of cavity, wetting and dynamics of a high-speed, oblique water-entry projectile with different positive angles of attack, a comparative analysis...
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Detonation product analysis and the paradoxical performance mechanism of TKX-50: High detonation velocity with low metal acceleration
April 2025
This study investigates the paradoxical detonation behavior of TKX-50, a nitrogen-rich energetic material, exhibiting higher detonation velocities but lower metal acceleration ability compared to HMX....
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Numerical simulation on the combustion characteristics of scramjet at high Mach number
Available online 29 April 2025
To investigate the problem of ethylene jet mixing and combustion in the scramjet at high Mach number (Ma = 8), numerical simulations were carried out for different equivalent ratios at cold and combustion...
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Reverse Design of Solid Propellant Grain Based on Deep Learning: Imaging Internal Ballistic Data
Available online 29 April 2025
The reverse design of solid rocket motor (SRM) propellant grain involves determining the grain geometry to closely match a predefined internal ballistic curve. While existing reverse design methods...
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Deformation patterns of steel targets against long rod penetration
Available online 28 April 2025
An experimental and finite element simulation investigation are conducted to study the deformation patterns of steel targets during the penetration process of tungsten alloy long rods, as well as the...
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The combustion reactivity of core-shell Al/Fluoropolymers and application in RDX-based explosives
Available online 27 April 2025
Aluminum (Al) powder is widely applied in thermobaric explosives due to its high energy density and favorable reaction kinetics. However, the inert oxide layer (Al2O3) on Al particles limits combustion...
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A diagnosis method based on graph neural networks embedded with multirelationships of intrinsic mode functions for multiple mechanical faults
Available online 26 April 2025
Fault diagnosis occupies a pivotal position within the domain of machine and equipment management. Existing methods, however, often exhibit limitations in their scope of application, typically focusing...
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