DEM Simulation of Biaxial Compression Experiments of Inherently Anisotropic Granular Materials and the Boundary Effects by Zhao-Xia Tong, Lian-Wei Zhang, Min Zhou

“…However, the responses of the particle assembly measured inside the specimens are almost the same with little influence from the boundary conditions. The peak friction angle obtained from the compression tests with flexible boundary represents the real friction angle of particle assembly. …”
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The Mechanical Impact of Aerodynamic Stall on Tunnel Ventilation Fans by A. G. Sheard, A. Corsini

“…The first strategy selects a fan with a low-blade angle that is nonstalling. The second strategy selects a fan with a high-pressure developing capability. …”
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Synthesis of E-Isomer of α-Hydrazone Phosphonates via Nucleophilic Addition of Trialkyl Phosphite to Nitrile Imines (NIs) and DFT Calculations by Sinem Altınışık, Sıdıka Polat Çakır

“…The researchers also performed DFT calculations including structural parameters (bond length, bond angle, and dihedral angle), HOMO and LUMO energy levels, and the zero-point vibrational energy (ZPE) for both E and Z geometric isomers of unsubstituted phenyl α-hydrazone phosphonate.…”
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Quantitative Analysis on Force Chain of Asphalt Mixture under Haversine Loading by Mingfeng Chang, Pingming Huang, Jianzhong Pei, Jiupeng Zhang, Binhui Zheng

“…Next, the force chain information among aggregate particles was extracted to analyze the evolution, probability distribution, and angle distribution of force chains. The results indicate that the AC-13 mesoscopic model reconstructed using the DEM is feasible to simulate the mesoscopic mechanical properties of asphalt mixture by comparing the predicted results and laboratory test results. …”
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Study on the Cracking Mechanism of Arch Foot of CFST Tied Arch Bridge Based on Multiscale Numerical Simulation by Zeying Yang, Changhao Cai, Zhilin Qu, Chenghe Wang, Yinglin Sun

“…On the one hand, the stress component produced by the bending of the prestressed steel bundle can squeeze the concrete inside the bending angle, and on the other hand, it will stretch the concrete outside the bending angle, resulting in concrete cracking. …”
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Cluster-driven non-uniform characteristic analysis of underwater target acoustic scattering field by Tianyang Xu, Hongjian Jia, Jixing Qin

“…Addressing these challenges, this paper takes the hemispherical cylindrical shell as the research object, considers the angle continuity implied in the echo characteristics, and proposes a cluster-driven research method for the non-uniform characteristics of the target echo angles. …”
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EVOLUTION OF THE ROTATIONAL MOTION OF A SATELLITE WITH FLEXIBLE VISCOELASTIC RODS ON THE ELLIPTIC ORBIT by E. V. Sadovnikova, A. V. Shatina

“…It is shown that in the process of dissipative evolution caused by energy dissipation in rods, the angle between the vector of the angular momentum of the satellite's rotational motion and the normal to the orbital plane decreases to zero. …”
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Optimal Design of Cooperative Penetration Trajectories for Multiaircraft by Qiangqiang Xu, Jianquan Ge, Tao Yang

“…The single aircraft can effectively penetrate, and the multiaircraft can fulfill the requirement of cooperative impact time and angle under the condition of meeting the minimum threat of radar detection.…”
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Virtual inertia calculation and virtual power system stabiliser design for stability enhancement of virtual synchronous generator system under transient condition by Ony Asrarul Qudsi, Adi Soeprijanto, Ardyono Priyadi

“…The VPSS design is developed by taking into account the phase angle shift of the VSG. The proposed combination of virtual inertia and VPSS is capable of providing accurate compensation for phase angle changes under transient conditions. …”
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Effects of Freezing and Thawing Cycle on Mechanical Properties and Stability of Soft Rock Slope by Yanlong Chen, Peng Wu, Qing Yu, Guang Xu

“…With the increase of freezing and thawing cycle, both cohesion and internal friction angle of soft rock decrease exponentially. The higher the moisture content, the quicker the reduction. …”
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Effects of Repetitive Pitching on Trunk Muscle Endurance and Thoracic and Shoulder Kinematics by Takuya Aso, Yoshinori Kagaya

“…In contrast, the shoulder horizontal adduction angle at MER decreased in the seventh and ninth innings…”
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Shaking Table Test on Seismic Response of Tunnel-Soil Surface Structure System considering Soil-Structure Interaction by Yantao Li, Ye Tian, Jinhui Zong

“…The seismic responses such as acceleration, strain, and interlayer displacement angle are analyzed, and the vibration characteristics and laws of the interaction system under different seismic loads are studied through the shaking table test. …”
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Monitoring System for Circular Deformation in Metro Shield Tunnels in Soft Soils by Jinfeng Zhang, Ming Zhao

“…Then, a method for monitoring circular deformation based on the rigid body and plane section assumptions was proposed. The joint opening angle, maximum joint opening width, horizontal diameter convergence, and bolt strain were calculated from rotation angles of segments which can be monitored directly by inclinometer. …”
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Study on the Effect of Moisture Content and Dry Density on Shear Strength of Silty Clay Based on Direct Shear Test by Qinrong Kang, Yuandi Xia, Xiaoshuang Li, Weizhong Zhang, Chaoran Feng

“…In addition, when the dry density is the same, as the moisture content increases, the soil becomes softer, the presence of water between the soil particles changes, resulting in the weakening of the occlusion between the soil particles, the shear strength decreases, and the cohesion and the angle of internal friction relatively decrease.…”
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A New Closed-Form Solution of the Side Abutment Pressure Distribution of Roadway by Liang Cheng, Yidong Zhang

“…By contrast, it is positively linearly correlated with the roadway height and negatively exponentially correlated with the interfacial friction angle. The results obtained in the present study could be useful for the evaluation process of roadway stability.…”
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Finite Difference Computation of Au-Cu/Magneto-Bio-Hybrid Nanofluid Flow in an Inclined Uneven Stenosis Artery by H. Thameem Basha, Karthikeyan Rajagopal, N. Ameer Ahammad, S. Sathish, Sreedhara Rao Gunakala

“…Growing values of the angle parameter cause to reduce the resistance impedance on the wall. …”
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Combining Optimal Controller and Luenberger Observer for an Active Roll Control System on Trucks to Avoid Rollover Phenomenon at High Speeds by Vu Van Tan, Pham Tat Thang, Do Trong Tu, Kieu Duc Thinh

“…It entails formulating a cost function for the linear quadratic regulator (LQR) optimal controller, incorporating variables directly pertinent to truck roll stability: vehicle body’s roll angle, unsprung masses’ roll angle, and normalized load transfer at the two axles. …”
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Comparison of Uplift Capacity and Nonlinear Failure Surfaces of Single-Belled Anchor in Homogeneous and Layered Sand Deposits by Tanaya Deb, Sujit Kumar Pal

“…This experimental study explains the contribution of embedment ratios, diameter ratios, and bell angles to uplift capacities of single-belled anchors and formation of nonlinear failure surfaces in homogeneous and layered sand deposits. …”
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Seismic Damage Analysis of Large-Span Tied-Arch Bridge with Concrete-Filled Steel Tubes Subjected to Near-Fault Ground Motion by Yingzhi Xia, Jiawei Liu, Hui Li, Guoping Hu

“…Then, the relationship between the bridge damage and the design parameters of ground motion intensities, near-fault velocity pulse, and excitation angle was obtained. The results indicated that the probability of damage caused by near-fault earthquakes is significantly higher than that by non-near-fault ground motions, and velocity pulses may cause more severe damages to certain components of the bridge during lower-intensity ground motions at certain excitation angles. …”
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VO2 based polarization-independent dual-wavelength plasmonic switches using U and C shaped nanostructures by Kirti Dalal, Yashna Sharma

“…A spatial offset between the two nanostructures is taken such that high switching efficiency is obtained simultaneously at two wavelengths for all polarization angles of incident light. The switching mechanism is based on the transformation of the phase change material, VO2, from its monoclinic semiconductor state to its tetragonal metal state when exposed to an external stimulus. …”
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