Ti/WO3, a nanothermite for special purposes: An experimental study
November 2024
A new nanothermite system, composed of titanium and tungsten trioxide is reported. Initial investigations show that it has low-average sensitivity to mechanical stimuli (friction, impact), but that...
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A tensile wearable SHF antenna with efficient communication in defense beacon technology
November 2024
The study projects a flexible and compact wearable pear-shaped Super High Frequency (SHF) antenna that can provide detailed location recognition and tracking applicable to defense beacon technology....
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Composite armor philosophy (CAP): Holistic design methodology of multi-layered composite protection systems for armored vehicles
November 2024
A philosophy for the design of novel, lightweight, multi-layered armor, referred to as Composite Armor Philosophy (CAP), which can adapt to the passive protection of light-, medium-, and heavy-armored...
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Effect of silica fume and glass powder for enhanced impact resistance in GGBFS-based ultra high-performance geopolymer fibrous concrete: An experimental and statistical analysis
November 2024
Solid waste recycling is an economically sound strategy for preserving the environment, safeguarding natural resources, and diminishing the reliance on raw material consumption. Geopolymer technology...
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An equivalent target plate damage probability calculation mathematics model and damage evaluation method
November 2024
Aiming at the requirement of damage testing and evaluation of equivalent target plate based on the explosion of intelligent ammunition, this paper proposes a novel method for damage testing and evaluation...
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Physics-informed machine learning model for prediction of ground reflected wave peak overpressure
November 2024
The accurate prediction of peak overpressure of explosion shockwaves is significant in fields such as explosion hazard assessment and structural protection, where explosion shockwaves serve as typical...
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Ballistic limit velocity of small caliber projectiles against SS400 steel plates: Live fire experiments and empirical models
November 2024
This study presents the ballistic limit velocity of small caliber projectiles against SS400 steel plate derived from live-fire ballistic experiments. Four different small caliber projectiles were tested...
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A review of extreme condition effects on solder joint reliability: Understanding failure mechanisms
November 2024
Solder joint, crucial component in electronic systems, face significant challenges when exposed to extreme conditions during applications. The solder joint reliability involving microstructure and mechanical...
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Developing a highly scalable synthetic strategy for 5-amino-4-nitrobenzo[1,2-c:3,4-c']bis([1,2,5]oxadiazole)1,b-dioxide (CL-18) and investigating the influence of crystal engineering and positional isomerization on its safety and laser ignition performance
November 2024
5-amino-4-nitrobenzo[1,2-c:3,4-c']bis([1,2,5]oxadiazole)1,6-dioxide (CL-18) exhibits significant potential as an initiating explosive. However, its current synthesis process remains non-scalable due...
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Analysis model for damage of reinforced bars in RC beams under contact explosion
November 2024
The load-bearing capacity of reinforced concrete (RC) beams primarily relies on internal reinforced bars. However, limited research has been conducted on the dynamic response of these bars. To address...
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An isogeometric analysis approach for dynamic response of doubly-curved magneto electro elastic composite shallow shell subjected to blast loading
November 2024
For the first time, the isogeometric analysis (IGA) approach is used to model and analyze free and forced vibrations of doubly-curved magneto-electro-elastic (MEE) composite shallow shell resting on...
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Modelling of internal ballistics of gun systems: A review
November 2024
A deep understanding of the internal ballistic process and the factors affecting it is of primary importance to efficiently design a gun system and ensure its safe management. One of the main goals...
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Adjoint-based RCS surface sensitivity calculation for very large electrical size object
Available online 29 November 2024
The primary concern in stealth aircraft design is the very large electrical size objects. However, the computational and storage requirements of these objects present significant obstacles for current...
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Impact of adhesive layer properties on ceramic multi-layered ballistic armour systems: A review
Available online 28 November 2024
The role of the adhesive layer in the ballistic performance of ceramic multi-layer armour system is complex and multi-faceted, often with trade-offs between single- and multi-hit performance. However,...
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Detonation product analysis and the paradoxical performance mechanism of TKX-50: High detonation velocity with low metal acceleration
Available online 28 November 2024
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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Comparative study on the oblique water-entry of high-speed projectile based on rigid-body and elastic-plastic body model
Available online 26 November 2024
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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Review on integral stiffened panel of aircraft fuselage structure
Available online 23 November 2024
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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Modification and experimental validation of the Forrestal-Warren Perforation Model for high hardness armor steel plates of intermediate thickness
Available online 23 November 2024
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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Experimental and numerical study on external explosions of cylindrical versus spherical charges at tunnel entrance
Available online 13 November 2024
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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Numerical investigation on the engraving process of a pyrotechnic actuator with an improved two-phase flow model of interior ballistic
Available online 13 November 2024
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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Hypersonic glide vehicle trajectory prediction based on frequency enhanced channel attention and light sampling-oriented MLP network
Available online 6 November 2024
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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Research on Multi-View Collaborative Detection System for UAV Swarms based on Pix2Pix framework and BAM attention mechanism
Available online 6 November 2024
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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An improved efficient adaptive method for large-scale multi-explosives explosion simulations
Available online 2 November 2024
Shock wave caused by a sudden release of high-energy, such as explosion and blast, usually affects a significant range of areas. The utilization of a uniform fine mesh to capture sharp shock wave and...
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Adaptive optimisation of explosive reactive armour for protection against kinetic energy and shaped charge threats
October 2024
We evaluate an adaptive optimisation methodology, Bayesian optimisation (BO), for designing a minimum weight explosive reactive armour (ERA) for protection against a surrogate medium calibre kinetic...
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Influence of B4C and ZrB2 reinforcements on microstructural, mechanical and wear behaviour of AA 2014 aluminium matrix hybrid composites
October 2024
Considering their affordability and high strength-to-weight ratio, lightweight aluminium alloys are the subject of intensive research aimed at improving their properties for use in the aerospace industry....
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