Mesh-free SPH modelling of sediment scouring and flushing considering grains transport and transformation by Rongzhao Zhang, Wen Xiong, Xiaolong Ma, C. S. Cai

“…However, the free surface simulation in this model still exhibits slight error, with a root-mean-square error of less than 8.35%.…”
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Numerical study of ice crystal movement and melting in rotating blade channels by ZHANG Lifen, ZHAO Jianhui, YU Bangtuo, LYU Yaguo, LIU Zhenxia

“…The motion and melting characteristics of ice crystals in the rotating blade channel are investigated. …”
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BDCOA: Wavefront Aberration Compensation Using Improved Swarm Intelligence for FSO Communication by Suhas Shankarnahalli Krishnegowda, Arvind Kumar Ganesh, Parameshachari Bidare Divakarachari, Veena Yadav Shankarappa, Nijaguna Gollara Siddappa

“…The metrics used for analyzing the BDCOA are Root Mean Square (RMS), BER, coupling efficiency, and Strehl Ratio (SR). …”
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Comparing sparse inertial sensor setups for sagittal-plane walking and running reconstructions by Eva Dorschky, Marlies Nitschke, Matthias Mayer, Ive Weygers, Heiko Gassner, Heiko Gassner, Thomas Seel, Bjoern M. Eskofier, Bjoern M. Eskofier, Anne D. Koelewijn, Anne D. Koelewijn

“…We found that differences between variables estimated from inertial sensors and those from optical motion capture were small for all sensor setups. Including all sensors did not necessarily lead to the smallest root mean square deviations (RMSDs) and highest coefficients of determination (R2). …”
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Personalized Prediction of Total Knee Arthroplasty Mechanics Based on Sparse Input Data—Model Validation Using In Vivo Force Data by Sonja Ehreiser, Malte Asseln, Klaus Radermacher

“…<b>Methods:</b> The simulation model was individualized based on the patients’ bone and knee implant 3D geometries, predicted bony landmarks, and soft tissue attachments using annotated statistical shape models, a statistical squat motion pattern, and a statistically based load case. …”
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Stem introducer designs and surgical technique play a significant role in achieving the optimal implant-cement interface by Bernard H. van Duren, Kevin Ilo, Sophie Walker, Mark Higgins, Benjamin V. Bloch, Andrew R. Manktelow, Hemant G. Pandit

“…Simulation of later insertion during the curing process (hard) showed a similar pattern, with a lower overall range of motion. …”
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Development and Optimization of a Novel Semi-Submersible Floater for Floating Wind Turbines in the South China Sea by Yiming Zhong, Wenze Liu, Wei Shi, Xin Li, Shuaishuai Wang, Constantine Michailides

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Research on load-bearing optimization of non-circular gear based on asymmetric pressure angles by Dazhu Li, Lulu Wu

“…The correctness of the profile design by using the motion simulation method and the enhancement of tooth root bending strength were verified. …”
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Modeling and Finite Element Analysis of Hypoid Gear Cutting by Completed Method by Lin Xi

“…According to machine-tool settings of Gleason’s summary,the high-precision solid model of gear pairs can be established by the cutting simulation of the generated motion between cutter and blank in CATIA software package. …”
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Influence of Tooth Profile of Double Helical Synchronous Belt on Drive Performance based on RecurDyn by Qingming Hu, Junpeng Hou, Yizhen Wu, Guojun Lin, Jianhua Guo

“…Based on the multi-body dynamics software RecurDyn, a virtual prototype model of new type， RU type and ZA type double helical synchronous belt drive is established, and rigid-flexible coupling motion modeling and dynamic simulation are carried out. …”
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Research on Stability of the High-order System Based on the Routh Criterion and Dominant Pole Method by Lin Xianxin, Su Qian, Ye Chengbao, Li Guojin, Liang Lin

“…The system performance index is observed and the optimal solution is obtained. The simulation results show that when the load <italic>K</italic> is 3.25 kg, the self-correction effect of the omni-directional robot on the slope motion system is better, which shows that using the Routh criterion and dominant pole method to study the stability of the high-order system is feasible and effective, and it provides a certain reference for future research on high-order system correction under the disturbance of the variable <italic>θ</italic>.…”
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Shock Boundary Layer Interaction and Aero-Optical Effects in a Transonic Flow over Hemisphere-on-Cylinder Turrets by Xiang Ren, Huahua Yu, Xianghong Yao, Hua Su, Peng Hu

“…The first two modes contain the shock’s reciprocating motion.…”
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A Study on the Sloshing Problem of Vertical Storage Tanks under the Action of Near-Fault Earthquakes by Lijian Zhou, Tian Xu, Zhaohong Lu, Dong Zhang

“…The simulated wave height had a high correlation with the predominant period or pulse period of near-fault ground motions. …”
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Enhanced dynamic support strategies of grid-forming-PMSG based on DC-voltagesynchronization: Frequency and Q support perspective by Dejian Yang, Tongyu Hu, Taiying Zheng, Minhui Qian, Chaoquan Li, Zhijie Cao, Gangui Yan

“…Then, the small signal model of MSC and GSC is constructed, and the change trend of root trajectory is observed with the help of state space model, and the boundary of the proposed strategy parameters is determined. …”
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GRVIO: Semantic-Aware Visual-Inertial Odometry for Ground Robot Platforms by Sangbum Lee, Hanyeol Lee, Chan Gook Park

“…The proposed approach introduces a novel camera-plane distance measurement model, a zero-motion update model, and a dynamic object removal strategy. …”
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IMU-LiDAR integrated SLAM technology for unmanned driving in mines by HU Qingsong, LI Jingwen, ZHANG Yuansheng, LI Shiyin, SUN Yanjing

“…Using IMU pre-integration constraints, LiDAR odometry constraints, and environmental constraints, the algorithm applied factor graph optimization to achieve tight coupling between LiDAR and IMU, enabling high-precision 3D reconstruction of roadway scenes and accurate localization of autonomous vehicles. Simulation experiments showed that the absolute trajectory root mean square error (RMSE) of the roadway environment feature-assisted IMU-LiDAR integrated SLAM algorithm was 0.1162 m, and the relative trajectory RMSE was 0.0409 m, improving positioning accuracy compared to commonly used algorithms such as LeGO-LOAM and LIO-SAM. …”
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Study on generation performance of a dual-speed bump energy harvester based on half-wave mechanical rectifier by LI Jing, ZHOU He

“…Based on the theoretical model, the power generation performance of DBEH was studied by numerical simulation. The research results indicate that the root mean square (RMS) power and output electrical energy of the system increase with the increase of external excitation amplitude and the decrease of the spring stiffness. …”
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Investigation of vibration protection system of a seat with quasi-zero stiffness under stochastic effects on the elements of running equipment of a motor grader by M. S. Korytov, V. S. Shcherbakov, I. E. Kashapova

“…With the help of a complex simulation mathematical model of a motor grader developed in the Matlab environment, including subsystems of vibration-protective cab supports, a vibration-protective mechanism of the operator's seat, setting stochastic effects on the elements of running equipment when moving along a microrelief, a computational experiment is carried out, when processing the results of which, the influence of a number of system parameters on the root-mean-square seat acceleration deviation in the vertical direction. …”
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Control Performance and Preliminary Application Investigation of Novel Rotational Impact Dampers by SHEN Junjie, WANG Jingjing

“…For the non-collision state, the equations of motion (EOMs), including the EOM for the main structure and the EOMs for each rotating body in RID, were established. …”
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Generating Seamless Three-Dimensional Maps by Integrating Low-Cost Unmanned Aerial Vehicle Imagery and Mobile Mapping System Data by Mohammad Gholami Farkoushi, Seunghwan Hong, Hong-Gyoo Sohn

“…The spatial accuracy of the 3D model was improved by integrating the matched features as ground control points into a structure from the motion pipeline. Validation using data from the campus of Yonsei University and the nearby urban area of Yeonhui-dong yielded notable accuracy gains and a root mean square error of 0.131 m. …”
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