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ISSN: 2214-9147

Experimental and numerical study on PU-coated RC arches subjected to underwater contact explosions

Reinforced concrete (RC) arches, which are widely used in various engineering fields, suffer from severe damage when subjected to blast loads. The damage and dynamic response of concrete structures...

Mechanical response of a Ti-6Al-4V hierarchical lattice structure: Numerical and analytical studies

This study proposes a snap-fit fabrication strategy for manufacturing hierarchical lattice structures, initially targeting tetrahedron-of-octahedra topologies and readily extendable to octet-of-octahedra...

Physical model-guided deep learning approach for explosion load prediction in three-dimensional typical street configurations

Accurate and fast prediction of explosion loads is crucial for structural blast protection design, post-blast damage assessment and emergency response. However, existing methods struggle to balance...

Efficient modulation of 5-AT/Sr(NO3)2 gas generator with a CuC2O4/CuO binary composite coolant for regulating the pyrolysis and combustion performances

Gas generators are systems that in certain emergency situations generate functional gases that are used for power sources, safety engineering, fire applications, and various other types of important...

Cooperative coverage path planning of multiple underwater gliders considering sonar detection performance and energy efficiency

This paper proposes a Cooperative Coverage Path Planning method for Multiple Underwater Gliders (MUG-CCPP) that considers sonar detection performance and energy efficiency. Unlike traditional phased...

Scrap PMMA valorization with optimized content of Silicon Carbide nanofiller in additive manufacturing

Utilizing versatile techniques, such as additive manufacturing (AM) and recyclable materials, is a way of reducing material waste and cost while converting the manufacturing field into being environmentally...

High temperature oxidation of novel superalloys: Effects of alloy design and heat-treatments

Gas turbine engines operate under high stress and aggressive environmental conditions at high temperatures up to 1300 °C for long periods of time. In particular, materials with high strength and creep...

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...

A multi-scale spatial-frequency double branch network for terahertz ISAR image target classification

Inverse synthetic aperture radar (ISAR), as the core technology of high-resolution radar imaging, has significant application value in fields of marine monitoring, air reconnaissance and space target...

A universal CNN-Based approach for modulation period estimation

This paper presents a universal framework for estimating the modulation period of signals with periodic modulation characteristics, applicable to communications, radar, and other radio systems. A key...

Dynamic fracture and reaction coupling mechanism in plasticity-enhanced Al/Ni reactive materials under high overload

This study investigates the coupling mechanism between fracture damage evolution and impact energy release in reactive materials under high overload conditions. To this end, a plasticity-enhanced Al/Ni...

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...

Study on the correlation mechanism between carbon evolution and energy release in oxygen-deficient explosives

For explosives with a pronounced negative oxygen balance, the condensation and phase transition of carbon in both the chemical reaction zone and the isentropic expansion zone play a critical role in...

Interval analysis for antenna-radome system electromagnetic performance considering manufacturing and environmental uncertainties

Manufacturing and environmental uncertainties can significantly affect the electromagnetic (EM) performance of antenna-radome systems, leading to degradation in key indicators such as reduced transmission...

A practical formula for penetration depth of rigid projectiles into rock and concrete considering the non-scaling effect

The non-scaling effect on the penetration depth of rigid projectiles is an important issue that must be considered when extending the results of scaled experiments to prototype scenes. In this study,...

Mechanical and impact behaviour of titanium-based fiber metal laminates reinforced with kevlar and jute fibers under various stacking configurations

The mechanical behaviour of Titanium-based Fiber Metal Laminates (FMLs) reinforced with Kevlar, Jute and the novel woven (Kevlar+Jute) fiber mat were evaluated through tensile, flexural, Charpy impact,...

Damage assessment and fragility curve development for vehicle tires using shock tube experiments

This study presents a fragility curve to assess explosively induced damage to military vehicle tires based on shock tube experiments. To replicate lateral damage scenarios that may occur in real battlefield...

Investigation of penetration characteristics of shaped charge jet impacting behind-armor liquid-filled containers

The impact of high-velocity penetrators into liquid-filled containers can generate hydrodynamic ram effects, potentially causing catastrophic structural damage to the container. Previous studies have...

Topological considerations for reinforced concrete modular protection systems against near-field overpressure generated by close-in detonations

With the increasing demand for secure infrastructure such as hydrogen refueling stations, chemical plants, and energy storage systems, the need for protective structures capable of withstanding close-in...

A position distribution measurement method and mathematical modeling of two projectiles simultaneous hitting target based on three photoelectric encoder detection screens

To solve the problem of identification and measurement of two projectiles hitting the target at the same time, this paper proposes a projectile coordinate test method combining three photoelectric encoder...

Gram-scale synthesis of simple cubic phase black phosphorus via shock-induced phase transformation: Mechanistic insights and process-dependent phase control

Simple cubic black phosphorus (BP) has been recognized as a strategic material due to its exceptional structural stability under extreme conditions. In this investigation, simple cubic BP was successfully...

Cross-platform mission planning for UAVs under carrier delivery mode

As battlefield scale enlarges, cross-platform collaborative combat provides an appealing paradigm for modern warfare. Complicated constraints and vast solution space pose great challenge for reasonable...

Temperature-effect incorporated damage assessment methodology for beam-slab composite structures subjected to long-duration blast loads

Aiming at addressing the issues of unclear dynamic response mechanisms and insufficient quantification of temperature coupling effects in building structures under long-duration blast loads, this study...

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