Category: Engineering

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  • Optimization of synchronous grout properties and construction parameters for shield tunnels in soft soil

    Optimization of synchronous grout properties and construction parameters for shield tunnels in soft soil

    Grout density

    The grout density affects the buoyancy force that the shield tunnel encounters during excavation. This test determined the density values of 25 distinct synchronous grouts with various ratios. Figure 4 displays the specific results….

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  • Tunable terahertz biosensing and shielding using a graphene-enhanced dielectric resonator absorber

    Tunable terahertz biosensing and shielding using a graphene-enhanced dielectric resonator absorber

    In recent years, the THz frequency range, has attracted significant interest for its potential applications across a range of fields, including biomedical sensing, security, and telecommunications1,2,3,4. Due to its unique position in the…

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  • One-dimensional time-frequency dual-channel visual transformer for bearing fault diagnosis under strong noise and limited data conditions

    One-dimensional time-frequency dual-channel visual transformer for bearing fault diagnosis under strong noise and limited data conditions

    Dataset description

    Fig. 12

    The CWRU dataset, provided by the Case Western Reserve University Bearing Data Center, is a widely used dataset for mechanical fault diagnosis. It is particularly well-suited for bearing fault diagnosis research and has…

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  • Research on vehicle accident hazard scenario derivation based on improved AST

    Research on vehicle accident hazard scenario derivation based on improved AST

    Output of accident scenario tree search

    The accident types of the scenes obtained from the accident scene tree were divided into three categories: vehicle-vehicle samples, vehicle-two-wheeler samples and vehicle-person samples. The proportion of…

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  • Swarmable autonomous munitions to bolster warfighter operations

    Swarmable autonomous munitions to bolster warfighter operations

    A Melbourne-based defense giant has unveiled autonomous munitions that can help terrify the enemy on the battlefield. L3Harris’ newly launched effects munitions, Red Wolf and Green Wolf, are claimed to be cost-effective strike and accurate…

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  • US bunker buster bombs vulnerable to anti-aircraft shells: Chinese study

    US bunker buster bombs vulnerable to anti-aircraft shells: Chinese study

    Chinese military scientists have proposed a way to counter the US Air Force’s famed GBU-57 Massive Ordnance Penetrators (MOP) or bunker busters by revealing an alleged flaw with their design.

    In a study published in China’s Journal of Gun…

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