Research on the navigation method of high speed differential rotation guided ammunition with ballistic assistance prediction under GNSS denial
July 2025
In complex environments such as high dynamics and weak signals, a satellite signal compensation method based on prefabricated trajectory assistance and an improved adaptive Kalman filter is proposed...
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Penetration-deflagration coupling damage performance of rod-like reactive shaped charge penetrator impacting thick steel plates
July 2025
The penetration-deflagration coupling damage performance of rod-like reactive shaped charge penetrator (RRSCP) impacting thick steel plates is investigated by theoretical analysis and experiments. A...
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Entire aerial-aquatic trajectory modeling and optimization for trans-medium vehicles
July 2025
Trans-medium flight vehicles can combine high aerial maneuverability and underwater concealment ability, which have attracted much attention recently. As the most crucial procedure, the trajectory design...
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Mitigation strategies for blasting-induced cracks and vibrations in twin-arch tunnel structures
July 2025
Due to space constraints in mountainous areas, twin tunnels are sometimes constructed very close to each other or even overlap. This proximity challenges the structural stability of tunnels built with...
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Enhanced dynamic impact resistance of UHMWPE fabrics impregnated with double-thickening shear thickening fluid
July 2025
Inspired by the thermal stability mechanism of thermophilic protein, which presents ionic bonds that have better stability at higher temperatures, this paper proposes the introduction of electrostatic...
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Asynchronously fault detection for flight vehicles with unstable modes via MDLF and MDADT method
July 2025
This research focuses on detecting faults in flight vehicles with unstable subsystems operating asynchronously. By accounting for asynchronous switching, a switched model is established, and filters...
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A review of the experimental and numerical studies on the compression behavior of the additively produced metallic lattice structures at high and low strain rates
July 2025
Recent advances in additive manufacturing have enabled the construction of metallic lattice structures with tailored mechanical and functional properties. One potential application of metallic lattice...
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Investigation of blasting effects and mechanisms on concrete frustums under side-contact explosions
July 2025
Investigating the blast effects and mechanisms on typical finite-sized obstacles is essential for optimizing defense strategies and designing more robust barriers to deter terrorists and protect critical...
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High-temperature tensile failure mechanism of RTM-made composite T-joints
July 2025
This paper focuses on the high-temperature tensile failure mechanism of RTM (resin transfer moulding)-made symmetric and asymmetric composite T-joints. The failure modes as well as the load-displacement...
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Performance of multi-layer steel fiber-reinforced mortar panels with air gaps against high-velocity bullets and successive firing
July 2025
This research addresses the growing demand for high-performance protective materials against high-velocity projectile impacts. The performance of multi-layered steel fiber-reinforced mortar (SFRM) panels...
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Effects of residual solvent dimethyl formamide on the solid phase ripening of ultrafine explosive 2,2′,4,4′,6,6′-hexanitrostilbene
July 2025
Nowadays, ultrafine explosives are widely used in military fields. Ultrafine 2,2′,4,4′,6,6′-hexanitrostilbene (HNS) has emerged as an optimal primer for explosion foil initiators due to its excellent...
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Mechanical response identification of local interconnections in board-level packaging structures under projectile penetration using Bayesian regularization
July 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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Application of gurney and flight of fragment calculations for water jet velocities in explosive applications
July 2025
This study investigates the application of Gurney and flight of fragment equations, typically used to predict metal fragment velocities, in modeling the water jet behavior. Three shotgun cartridge sizes...
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Advancements in energetic metal-organic frameworks, alkali and alkaline earth metal salts, and transition metal complexes: Predictive models for detonation velocity, heat, and pressure
July 2025
Recent advancements have led to the synthesis of various new metal-containing explosives, particularly energetic metal-organic frameworks (EMOFs), which feature high-energy ligands within well-ordered...
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Numerical simulation and experimental study on the characteristics of armature wear and contact process of small caliber railgun
July 2025
During the electromagnetic railgun launch process, high temperature and high current conditions can lead to armature wear, affecting armature/rail contact and degrading launch performance. This paper...
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Random walk dispersion model for missile contrail particles in cross-airspace environments
July 2025
Missiles provide long-range precision strike capabilities and have become a cornerstone of modern warfare. The contrail clouds formed by missile during their active flight phase present significant...
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π-π2max: Bridging molecular characteristics to crystal packing in nitro-containing two-dimensional energetic materials
July 2025
Two-dimensional energetic materials (2DEMs), characterized by their exceptional interlayer sliding properties, are recognized as exemplar of low-sensitivity energetic materials. However, the diversity...
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Investigation on dynamic response of liquid-filled cylindrical shell structures under the action of combined blast and fragments loading
July 2025
This study designs four types of liquid-filled cylindrical shell structures to investigate their protection characteristics against explosive shock waves and high-speed fragments. Bare charge and charge-driven...
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A compact high flux polarized neutron beam generator
July 2025
This paper introduced a compact high flux polarized neutron beam generator scheme, which used air as the working medium and had low energy consumption. The neutron beam generator adopted a linear three...
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A methodology to simulate interior and intermediate ballistics with dynamic mesh technique and lumped parameter code
July 2025
The aim of this paper is to simulate and study the early moments of the reactive ballistics of a large caliber projectile fired from a gun, combining 0D and 2D axisymmetric Computational Fluid Dynamics...
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Study of the explosion load characteristics and structural response law under a cabin water mist environment: Experimental tests and simulations
July 2025
To investigate the explosion load characteristics and structural response law in a water mist environment in a cabin, explosion experiments are carried out. The weakening rates of the initial peak overpressure,...
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Influence of shaped charge jet state on its interaction with ERA flying plate
July 2025
The Explosive Reactive Armors (ERA) are really efficient at reducing Shaped Charge Jet (SCJ) performance. The main destabilizing mechanism is the transverse movement of the front and rear moving plates...
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Realizing high-speed target tracking by using multi-rate feedforward predictive control for the acquisition, tracking, and pointing system
July 2025
The acquisition, tracking, and pointing (ATP) system is widely used in target tracking, counter-UAV operations, and other related fields. As UAV technology develops, there is a growing demand to enhance...
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Size-dependent heat conduction of thermal cellular structures: A surface-enriched multiscale method
July 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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Dynamic response of polymethacrylimide foam sandwich structures with different core layers under water impact loading
July 2025
Polymethacrylimide (PMI) foam has the highest specific stiffness and strength among polymer foams, with excellent radar-absorbing capabilities, which provide it with broad prospects in underwater applications....
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