A U.S. Navy F/A-18 Super Hornet was lost at Red Sea after it toppled overboard from the aircraft carrier USS Harry S. Truman while being towed aboard, the Navy said Monday.
According to media reports, initial assessments indicate the USS…
Category: Engineering
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Cod, eel save environment by storing carbon in sea
New research reveals that many of the fish species we eat are vital to maintaining the seabed — and by extension, the climate.
Experts at the Convex Seascape Survey analyzed the role of fish in bioturbation, which is the stirring and…
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Nonunit protection based on the ratio of IVRW tangent envelope area for modular multilevel converter based HVDC grid
Topology and parameters of the system
We are studying the four-terminal MMC-HVDC system. The system utilizes a symmetrical bipolar structure, as shown in Fig. 1.
In the system shown in Fig. 1, B12 and B21 are the relays located at both ends of…
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Study on the deformation characteristics of diaphragm walls in deep excavations within the Ningbo soft soil region
This section presents a detailed analysis of the deformation observations from the case studies in Ningbo, focusing on the influence of various factors on maximum deformation, analyses the relationship between factors including the embedded depth…
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Effect of thickness and inclination angle of weakly cemented interlayer on fracture development and fracture energy evolution of rock mass
Calculation principle of energy transfer and transformation
UDEC uses the incremental solution program to solve the motion equation for each mass point at each time step, which provides the theoretical basis for calculating the energy of rock mass…
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Optimizing coconut fiber-modified hot mix asphalt for enhanced mechanical performance using response surface methodology
RSM model
Three factors including fiber content (%), fiber length (mm), and bitumen content (%) were used to predict the marshall stability and flow. A central composite design was implemented to mesh the relation between 20 different combinations…
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Channel-shuffled transformers for cross-modality person re-identification in video
Qian, Z., Lin, Y. & Du, B. Visible-infrared person re-identification via patch-mixed cross-modality learning. Pattern Recognition 157, 110873. https://doi.org/10.1016/j.patcog.2024.110873 (2025).
Google…
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Ultimate load analysis of casings in slip-working sections of underground gas storage wells
Working principle of UGS well packer
UGS wells primarily consist of surface casing, production casing, injection/production tubing, packers, and other components, as shown in Fig. 1. The packer is typically installed in the annular space between…
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Experimental study of influencing pile to cap connections on the rocking behaviors of piled foundations
This section initially examines moment-rotation & settlement-rotation curves for fixed and free pile-to-cap connections under some different pile group lengths and safety factors. Subsequently, the impact of semi-fixed connections on these curves…
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Analysis of double side ironless permanent magnet linear synchronous machine with low normal force
Deformation and deviation modes of the mover
There are various factors that may cause the deformation and deviation of the mover. For example, the manufacturing or assembly error may make the mover not at the center of the electrical machine,…
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