Recent Articles

Open access

ISSN: 2214-9147

Thermomechanical response of diamond/Cu for military electronic devices

A multiscale constitutive model is developed to investigate the thermomechanical behavior of diamond/Cu composite for high-reliability military electronics. The critical thermomechanical response, such...

Effects of spatial and temporal inlet total pressure fluctuations on rotating detonation characteristics in ethylene-air mixture

Inlet fluctuations in a rotating detonation engine play a critical role in shaping the propagation dynamics of rotating detonation waves (RDWs). Based on the OpenFOAM platform, numerical simulations...

Laser-induced decomposition mechanism of novel polynitrogen energetic material 4,4'-Azobis(1,2,4-triazole) (ATRZ): Time-resolved evolution of gaseous products

The novel polynitrogen energetic material 4,4'-azobis(1,2,4-triazole) (ATRZ) has attracted significant research interest due to its high nitrogen content and excellent detonation performance. However,...

Enhancing the efficiency, surface quality and tribological properties in continuous laser cleaning of steel rust via magnetic field assistance for rapid maintenance of military assets

Continuous laser cleaning, while efficient for large-scale rust removal, often introduces excessive heat input, leading to substrate damage and inconsistent surface quality. To address these limitations,...

Reinforcement learning-based enhanced fixed-time guidance law with no-fly zone constraints

This paper proposes a reinforcement learning-based enhanced fixed-time guidance law for attacking maneuvering targets in three-dimensional scenarios under no-fly zone constraints. Firstly, an enhanced...

Research on the jamming formation assessment and optimization method of multiple active radiation sources based on improved PSO

To improve the defense of offshore civilian facilities such as oil and gas platforms and freighters against external detection systems, our research investigates the collaborative formation of multiple...

Constitutive Modeling of Deformation-Environment Coupled Damage and Failure in Solid Propellants

Understanding and quantifying the coupled effects of mechanical loading and environmental degradation in solid propellants are crucial for predicting reliability and structural safety of solid rocket...

Ultra-broadband extreme absorption in an optically transparent metasurface with superior adaptability

To address the growing demand for microwave absorbers featuring broad bandwidth, high absorption, and environmental adaptability, this study proposes a microwave absorber based on an optically transparent...

Crystal morphology characterization and initial concentration effect study of 2,6-Diamino-3,5-dinitropyrazine-1-oxide (LLM-105) grown in DMSO solution

Crystal morphology plays a vital role in the properties and performance of energetic materials (EMs). Here, the crystal morphology of 2,6-Diamino-3,5-dinitropyrazine-1-oxide (LLM-105) grown in dimethyl...

Nitrate ester functionalized ionic liquid as energetic plasticizer for HTPB propellant

Energetic plasticizers are rarely used in HTPB propellants due to compatibility issues; one strategy is usually adopted is to introduce energetic substituents. In this study, the synthesized high-energy...

Mechanism of compaction-induced microstructure evolution and its impact on thermal aging and shock output in ultrafine HNS

The microstructural characteristics of polymer-bonded explosives are crucial to their safety and performance. Ultrafine hexanitrostilbene (HNS)-based PBXs hold potential for micro-detonation systems....

Energy absorption properties and failure modes of flexible UHMWPE foam protective sandwich structure subjected to low-velocity impact

Flexible materials play a crucial role in protecting against behind armour blunt trauma (BABT). However, their compliance complicates the understanding of failure mechanisms and energy absorption. This...

Impact of CeO2 and GO on the combustion performance of HAN-based electrically controlled solid propellant

Electrically controlled solid propellant (ECSP) offers multiple ignition and adjustable burning rate, serving as fuel for next-generation intelligent propulsion systems. To further enhance the combustion...

Study on the nonlinear vibration of tri-directional functionally graded sandwich plates partially supported by Pasternak foundation subjected to blast loading

This paper aims to explore and quantify the nonlinear vibration response of tri-directional functionally graded sandwich (3D-FGSW) plates partially supported by a Pasternak foundation (PF) subjected...

Hypervelocity impact response and protection for the track steels of rocket sled system via light-gas gun experiments

Hypervelocity rocket sled systems are critical for testing advanced military technologies, yet track damage at speeds exceeding Mach 5 remains a significant challenge for system reliability and performance....

Deep reinforcement learning-based adaptive collision avoidance method for UAV in joint operational airspace

As joint operations have become a key trend in modern military development, unmanned aerial vehicles (UAVs) play an increasingly important role in enhancing the intelligence and responsiveness of combat...

Command-agent: Reconstructing warfare simulation and command decision-making using large language models

War rehearsals have become increasingly important in national security due to the growing complexity of international affairs. However, traditional rehearsal methods, such as military chess simulations,...

Dynamic response of RC columns under off-central explosions: Experimental, theoretical studies and neural network prediction

Reinforced concrete (RC) columns are often subjected to off-central explosion due to the uncertainty of blast locations. However, few studies have focused on the dynamic response of RC columns under...

Autonomous dispatch trajectory planning of carrier-based vehicles: An iterative safe dispatch corridor framework

As carrier aircraft sortie frequency and flight deck operational density increase, autonomous dispatch trajectory planning for carrier-based vehicles demands efficient, safe, and kinematically feasible...

Development of silicon carbide fiber-reinforced silicon oxycarbide composites for low-observable unmanned aerial vehicle exhaust nozzles via filament winding, and polymer infiltration and pyrolysis

Unmanned combat aerial vehicles require lightweight, stealth-capable exhaust systems. However, traditional metallic nozzles increase radar detectability and reduce range, while advanced composites offer...

Cascading failure modeling and survivability analysis of weak-communication underwater unmanned swarm networks

Cascading failures pose a serious threat to the survivability of underwater unmanned swarm networks (UUSNs), significantly limiting their service ability in collaborative missions such as military reconnaissance...

Electromagnetic dynamic self-piercing riveting (ED-SPR): A novel approach for enhanced dissimilar material joining

This study introduces electromagnetic dynamic self-piercing riveting (ED-SPR), an innovative technique that integrates electromagnetic riveting principles with static self-piercing riveting (S-SPR)...

The effects of compressibility and target strength on shaped charge jet penetration

The penetration of shaped charge jets into targets at high velocities is significantly influenced by the compressibility effect, while at low velocities, the strength effect becomes predominant. In...

Performance comparison of full-scale ramjet and scramjet using boron-based propellant

This study investigates the performance boundaries of ramjet and scramjet engines fueled by boron-based propellant through full-scale engine modeling and three-dimensional computational fluid dynamics...

A methodology for constructing the system-of-systems environment to evaluate UAV decision systems

Evaluating Unmanned Aerial Vehicle (UAV) systems within a System-of-Systems (SoS) environment helps clarify their contribution to the overall combat capability and supports effectiveness-oriented system...

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