Mechanical response identification of local interconnections in board-level packaging structures under projectile penetration using Bayesian regularization
Available online 13 February 2025
Modern warfare demands weapons capable of penetrating substantial structures, which presents significant challenges to the reliability of the electronic devices that are crucial to the weapon's performance....
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Trajectory prediction algorithm of ballistic missile driven by data and knowledge
Available online 13 February 2025
Recently, high-precision trajectory prediction of ballistic missiles in the boost phase has become a research hotspot. This paper proposes a trajectory prediction algorithm driven by data and knowledge...
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Evolving adaptive and interpretable decision trees for cooperative submarine search
Available online 12 February 2025
System upgrades in unmanned systems have made Unmanned Aerial Vehicle (UAV)-based patrolling and monitoring a preferred solution for ocean surveillance. However, dynamic environments and large-scale...
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Study on the reaction kinetics mechanism and properties of RDX/ADN/FKM2602 composite microspheres
Available online 12 February 2025
This study prepared a class of RDX-based composite microspheres (RAF) containing ADN and FKM2602. The reaction kinetics of RAF composite microspheres were effectively improved by maintaining the system's...
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Control model for burning-bubble clouds formed by confined melt-cast explosives under thermal stimulation
Available online 12 February 2025
DNAN-based insensitive melt-cast explosives have been widely utilized in insensitive munition in recent years. When constrained DNAN-based melt-cast explosives are ignited under thermal stimulation,...
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Impact safety of CL-20-based explosive charge using detonation driving high velocity fragments
Available online 12 February 2025
The impact safety of explosive charges has been focused in these decades. The fragment impact is widely used to evaluate the response of explosive charges. In our work, the explosive detonation driving...
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Thermochemical Analysis and Field Performance of Small Arms Propellants from 1953 (30-06 M2 AP) and 2012 (M855A1) Ammunition
Available online 12 February 2025
When older stocks of ammunition are fielded for use, propellant degradation may be of concern. Degraded propellants may result in either increased or decreased chamber pressures, depending on formulation...
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Size-dependent heat conduction of thermal cellular structures: A surface-enriched multiscale method
Available online 12 February 2025
This paper examined how microstructure influences the homogenized thermal conductivity of cellular structures and revealed a surface-induced size-dependent effect. This effect is linked to the porous...
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Reliability analysis of modular charge swinging-loading positioning accuracy under new failure criterion based on spatial geometric relationship
Available online 10 February 2025
The swinging-loading process is essential for automatic artillery loading systems. This study focuses on the problems of reliability analysis that affect swinging-loading positioning accuracy. A dynamic...
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Situation maintenance-based cooperative guidance strategy for intercepting a superior target
Available online 4 February 2025
A situation maintenance-based cooperative guidance strategy is proposed to intercept a high-speed and high-maneuverability target via inferior missiles. Reachability and relative motion analyses are...
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Surface-covering water significantly amplifies the explosion impulse of shallow buried explosives
Available online 3 February 2025
While the moisture content of soil affects significantly the blast impulse of shallow buried explosives, the role of surface-covering water (SCW) on soil in such blast impulse remains elusive. A combined...
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Influence of cryogenic treatment on mechanical and ballistic properties of AA5754 alloy friction stir welded joints
Available online 3 February 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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Fault-tolerant control strategies for tilt-rotor aerial-aquatic vehicles: Design and implementation
Available online 3 February 2025
The cross-domain capabilities of aerial-aquatic vehicles (AAVs) hold significant potential for future air-sea integrated combat operations. However, the failure rate of AAVs is higher than that of unmanned...
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Efficiently enhancing thermal conductivity of polymer bonded explosives via the construction of primary-secondary thermal conductivity networks
Available online 2 February 2025
Realizing effective enhancement in the thermally conductive performance of polymer bonded explosives (PBXs) is vital for improving the resultant environmental adaptabilities of the PBXs composites....
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The detonation wave propagation and the calculation methods for shock wave overpressure distribution of composite charges
Available online 2 February 2025
To explore the design criteria for composite charges and reveal the intrinsic relationship between the detonation wave propagation in composite charges and the overall energy distribution of shock waves,...
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Experimental and numerical simulation of the attenuation effect of blast shock waves in tunnels at different altitudes
January 2025
Traffic engineering such as tunnels in various altitudinal gradient zone are at risk of accidental explosion, which can damage personnel and equipment. Accurate prediction of the distribution pattern...
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Autonomous sortie scheduling for carrier aircraft fleet under towing mode
January 2025
Safe and efficient sortie scheduling on the confined flight deck is crucial for maintaining high combat effectiveness of the aircraft carrier. The primary difficulty exactly lies in the spatiotemporal...
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A novel detection method for warhead fragment targets in optical images under dynamic strong interference environments
January 2025
A measurement system for the scattering characteristics of warhead fragments based on high-speed imaging systems offers advantages such as simple deployment, flexible maneuverability, and high spatiotemporal...
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Critical quality indicators of high-performance polyetherimide (ULTEM) over the MEX 3D printing key generic control parameters: Prospects for personalized equipment in the defense industry
January 2025
Additive Manufacturing (AM) can provide customized parts that conventional techniques fail to deliver. One important parameter in AM is the quality of the parts, as a result of the material extrusion...
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Data driven prediction of fragment velocity distribution under explosive loading conditions
January 2025
This study presents a machine learning-based method for predicting fragment velocity distribution in warhead fragmentation under explosive loading condition. The fragment resultant velocities are correlated...
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Synergistic effect of nitrocellulose coating on structural and reactivity stabilization of ammonium nitrate oxidizer
January 2025
The present work aims to stabilize the room temperature allotropic transition of ammonium nitrate (AN) particles utilizing a microencapsulation technique, which involves solvent/non-solvent in which...
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Experimental investigation on the anti-detonation performance of composite structure containing foam geopolymer backfill material
January 2025
The compression and energy absorption properties of foam geopolymers increase stress wave attenuation under explosion impacts, reducing the vibration effect on the structure. Explosion tests were conducted...
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Characterization of combined blast- and fragments-induced synergetic damage in polyurea coated liquid-filled container
January 2025
Liquid-filled containers (LFC) are widely used to store and transport petroleum, chemical reagents, and other resources. As an important target of military strikes and terrorist bombings, LFC are vulnerable...
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Discovering causal models for structural, construction and defense-related engineering phenomena
January 2025
Causality, the science of cause and effect, has made it possible to create a new family of models. Such models are often referred to as causal models. Unlike those of mathematical, numerical, empirical,...
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Honeycomb-spiderweb-inspired self-similar hybrid cellular structures for impact applications
January 2025
Inspired by nature's self-similar designs, novel honeycomb-spiderweb based self-similar hybrid cellular structures are proposed here for efficient energy absorption in impact applications. The energy...
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