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ISSN: 2214-9147

Statistical analysis of store release from a weapon bay at transonic Mach number

Numerical analysis was conducted on the release of an air-to-air missile model from a rectangular cavity geometry, having a length-to-depth ratio of 4.5 and a width-to-depth ratio of 1. Computational...

Flexible PVDF film sensors for buried dry-sand explosion pressure: Calibration and validation under normal/hypergravity conditions

Accurate measurement of buried dry-sand blast pressure remains a critical challenge in military protection and geotechnical engineering. In hypergravity model tests, conventional impact-type sensors...

Resilient bipartite tracking control for multi-quadrotor systems with semi-markov switching topologies: Theory and experiment

Quadrotors depend on efficient swarm control enabled by frequent information exchange to track a non-cooperative target. However, communication disruptions including attacks or random link variations...

Quick evaluation method of rock damage depth in intermediate walls subjected to closely-spaced cavern blasting

During the construction of underground caverns, the rock masses of intermediate wall between closely-spaced caverns are easy to be destroyed due to excessive blast-induced damage. Limited to the current...

Dual-modal trajectory planning method for compound-wing UAV leveraging differential flatness in urban environments

The rise of the low-altitude economy highlights the importance of compound-wing UAVs. However, achieving seamless and optimal trajectories across different flight modes remains a significant challenge...

Beyond iterative solvers: Physics-informed instantaneous modeling of supersonic combustion in a kerosene-fueled scramjet

Under supersonic combustion conditions, the accurate and efficient solution of extremely unsteady, multi-scale coupled physical processes is a key bottleneck in the design of high-speed propulsion systems....

Geometry-Driven Burnback and Thrust Modulation in Hybrid Rockets: A Time-Resolved Model with Constant Oxidiser Mass Flow

This study presents a time-resolved numerical analysis of burnback evolution and internal ballistic performance of hybrid rocket fuel grains with cylindrical, helical, star, and star-swirl port geometries....

Cyber-electromagnetic convergence: Network community detection-based synchronization architecture for wide area multilateration system

In the context of the deep integration of global cyberspace and electromagnetic space, globalized Wide Area Multilateration (WAM) systems lack a synchronization architecture adapted to large-scale passive...

Towards sustainable circular construction: Impact resistance of geopolymer composite panels reinforced with glass fibre mesh and recycled demolition waste as fine aggregate

The construction industry is the most intense consumers of natural resources and remains a major contributor to greenhouse gas (GHG) emissions. Also, it generates majority of the wastes in the form...

Study on the reactive material filled structure under impact loading: Progressive perforation on spaced plates

The reactive materials filled structure (RMFS) exhibits self-distributed energy release when impacting spaced plates, causing a progressive perforation damage effect on the plates. This research employs...

Temporal flow-based dynamic graph neural network with robustness interpretation for DoS/DDoS IoT intrusion detection

With the increasing use of Internet of Things (IoT) devices, volumetric network intrusions have expanded significantly. Various detection systems for network intrusions face complications in distinguishing...

Active-fluid-like flocking for large-scale fixed-wing UAV swarm with micro-macro cooperation

Flocking is a fundamental capability for large-scale unmanned aerial vehicle (UAV) swarms, especially for fixed-wing platforms operating under stringent dynamic and safety constraints. However, existing...

Damage and failure assessment of pipe-section joints in folded-arch immersed tunnels under internal explosive loading

Highway tunnels constructed in complex rock strata, particularly those intersecting fault zones, frequently incorporate grouting and flexible joints to enhance structural performance under static and...

Ceramizable and mechanically robust aramid nanofiber/phenolic aerogel composites via Zr-Si interface engineering for thermal protection

Thermal protection materials (TPMs) serve as a critical barrier ensuring the safe flight of spacecraft. Achieving simultaneous optimization of load-bearing capacity and ablation resistance in TPMs while...

Bio-inspired sparse expert control for agile and adaptive wheeled-legged locomotion

Wheeled-legged robots offer agile mobility, yet controlling them robustly remains challenging due to the intrinsic conflict between continuous rolling and discrete stepping dynamics. Conventional controllers...

Yaw-attitude regulation of compaction roller for suppressing out-of-plane wrinkling in thermoplastic automated fiber placement on three-dimensional curved surfaces

Automatic fiber placement (AFP) is an advanced composite manufacturing technology with precise fiber steering and rapid in-situ forming capability. However, out-of-plane wrinkling caused by geometric...

Surface-empowered aluminum particles via ultrathin nickel alloy coating for high efficiency combustion catalysis of solid propellants

To overcome conventional nano-catalysts' limitations in energetic materials, this investigation reports a novel micro/nano-hierarchical Al-based alloy coating catalyst consisting of an Al-core coated...

Multibody modeling and experimental assessment of main battle tank dynamics for enhanced vehicle performance

High-speed tracked vehicles are critical assets in modern military operations, combining mobility across challenging terrains with superior load-bearing capabilities. This work focuses on the multibody...

Organic-inorganic hybrid binder system: A novel strategy for enhancing mechanical properties of microscale explosive transfer agents

To enhance the mechanical properties of microscale explosive transfer agents, a polyacrylamide-calcium phosphate copolymer (PCC) binder system was designed via organic-inorganic hybrid technology. Using...

Hot-pressed MOF@POSS-TCPP hybrid coatings enable multifunctional protective textiles

Multifunctional protective textiles that resist fire, suppress bacterial contamination, and enable the conversion of chemical warfare agent simulants are highly desirable for harsh operational environments....

Research on all-silicon carbide piezo-resistive high-temperature pressure sensor

This study presents the development of a fully silicon carbide (SiC)-based high-temperature piezoresistive pressure sensor utilizing a circular membrane structure to fulfill the requirements for pressure...

Unraveling the assembly mechanism of energetic co-particles via coarse-grained molecular dynamics simulations

Energetic co-particles (ECPs) offer an effective strategy for integrating high energy density with improved safety, yet their mesoscale assembly mechanism remains unclear. Herein, coarse-grained molecular...

JEPA-Based multimodal trajectory prediction for air targets in complex electromagnetic environments

In modern air defense operations, the adaptability of traditional air target trajectory prediction methods decreases greatly in complex dynamic environments, which is attributed to the strong penetration...

Damage assessment method and key influencing factors for a typical rocket projectile during fragment cloud engagement

With the widespread application of active protection systems (APS) in tank warfare, accurately assessing the damage effects of interceptors against rocket projectiles has become a critical challenge...

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