Constitutive Model of Rock Uniaxial Damage Based on Rock Strength Statistics by Ming Ji, Kai Chen, Hong Jun Guo

“…Based on the statistical damage constitutive model proposed in this paper, a numerical fitting analysis was conducted on the uniaxial compression testing data of laboratory sand rock and on experimental data from other literature, in order to validate the rationality of the constitutive equation and the determination of its parameters and to analyze the effect of internal friction variables on damage variables and compression strength. …”
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Investigation of the Acoustic Properties of Chemically Impregnated Kayu Malam Wood Used for Musical Instrument by Md. Faruk Hossen, Sinin Hamdan, Md. Rezaur Rahman

“…The acoustic properties such as specific dynamic Young’s modulus (Ed/γ), internal friction (Q−1), and acoustic conversion efficiency (ACE) of wood were examined using free-free flexural vibration. …”
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Study on Damping Energy Dissipation Characteristics of Cylindrical Metal Rubber in Nonforming Direction by Zhi Ying Ren, Qisheng Chen, Hongbai Bai, Yiwan Wu

“…Based on the testing methods, dry friction and dynamic stiffness are taken as the main analysis points. …”
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Vibration Response Prediction of Plate with Particle Dampers Using Cosimulation Method by Dongqiang Wang, Chengjun Wu

“…First, the effects of the collisions and friction between the particles are interpreted as an equivalent nonlinear viscous damping based on MFT of gas particle. …”
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Modeling the flow of casson nanofluid on a stretching sheet with heat transfer: A study of electric MHD and Darcy-Forchheimer effects by Hamzeh Taha Alkasasbeh

“…Conversely, the temperature and skin friction coefficient demonstrate an inverse relationship. …”
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Assessment of variations in shear strain energy induced by fault coseismic slip in deep longwall mining by Yatao Li, Xuehong Gao

“…An integrated methodology is utilized, taking into account the changes in coseismic and fault friction parameters as well as enhancements in mining-induced stress and existing background stresses. …”
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Seismic Response Analysis and Evaluation of Laminated Rubber Bearing Supported Bridge Based on the Artificial Neural Network by Bingzhe Zhang, Kehai Wang, Guanya Lu, Weizuo Guo

“…A new constitutive model of bearing based on the artificial neural network (ANN) technique is established through the static cyclic test of laminated rubber bearings, considering the bearing initial stiffness, friction coefficient, and other parameters such as the bearing sectional area, height, loading velocity, vertical load, and aging time. …”
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Experimental Study on Bond Behavior between Plain Reinforcing Bars and Concrete by Guohua Xing, Cheng Zhou, Tao Wu, Boquan Liu

“…Differing from the bond strength of plain steel bars, which is based primarily on chemical adhesion and friction force, the bond stress of aluminium alloy bars is mainly experienced by chemical adhesion and about 0.21~0.56 MPa, which is just one-tenth of that of plain steel bars. …”
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Aplicación de la teoría de seguridad al diseño de cimentaciones en arenas: Chequeo de linealidad Application of the safety theory to the design of foundations in sands: Checkup of... by Ana Virginia González Cueto Vila, Gilberto Quevedo Sotolongo

“…The Safety Theory is applied in order to obtain the safety coefficients needed for the design on friction soils. The Checkup of the Pressure Linear Limit is implemented, and the results obtained are compared with the safety coefficients of the Cuban Standard. …”
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A New Stress Field Model for Semiclosed Crack under Compression considering the Influence of T-Stress by Mingyu Feng, Xiaoguang Zhou, Yanbin Zhang, Saifeng Wu

“…To reflect the actual state of crack, a comprehensive stress field model around the semiclosed crack is established based on the complex potential theory, and the stress intensity factor KII at the crack tip related to the closure amount of crack surfaces, deep-water pressure, friction coefficient in the closed region, and crack inclination angle is derived. …”
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Triaxial behavior and microstructural insights of loose sandy soil stabilized with alkali activated slag by Mohammad Banaian, Seyed Mohammad Fattahi, Abbas Soroush, Alireza Komaei

“…Moreover, mechanical parameters from triaxial tests revealed a nearly constant internal friction angle with increasing GGBFS content and curing duration, while cohesion showed remarkable enhancement. …”
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Simplified Analytical Method for Predicting the Lateral Ground Displacements due to Shield Tunnelling by Lianwei Sun, Zhong-chao Li, Rong-zhu Liang

“…The key shield tunnelling operation factors, including the additional pressure of cutter head, the friction forces around shield body, the back-fill grouting pressure, and the soil volume loss are all considered. …”
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Pounding Effects in Simply Supported Bridges Accounting for Spatial Variability of Ground Motion: A Case Study by G. Tecchio, M. Grendene, C. Modena

“…In order to include the effects due to the main nonlinear behaviours of the bridge components, a 3D finite element model has been developed, in which the pounding of decks at cap-beams, the friction of beams at bearings, and the hysteretic behaviour of piers have been accounted for. …”
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Effect of Activation Energy on Magnetized Couple Stress Fluid over an Inclined Stretching Permeable Cylinder by Suman Sharma, Shalini Jain

“…Additionally, numerical outcomes for the skin-friction coefficient, Nusselt number, and Sherwood number are presented in tabular form.…”
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Ultimate Pullout Capacity of a Square Plate Anchor in Clay with an Interbedded Stiff Layer by Tugen Feng, Jingyao Zong, Wei Jiang, Jian Zhang, Jian Song

“…The bearing characteristics of plate anchors in layered soils are influenced by factors such as the embedment depth of the plate anchor, the friction coefficient between the soil and the plate anchor, the thickness of the upper soil layer, and the thickness of the middle soil layer. …”
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Research on the Impact of Sino-US Trade Structure on the Real Effective Exchange Rate of RMB by Jiajia Yan, Jinlong Cai

“…Since the beginning of 2018, Sino-US trade frictions have been escalating to the fields of science and technology, finance, and geography. …”
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Investigating Reliability of Duimenshan High Rock Slope in Gejiu, Yunnan Province Based on the Monte Carlo Method by A. Fa-You, Wan-cheng Pan, Wen-ping Wu, Shi-qun Yan

“…Secondly, the affecting parameters of the rock mass such as cohesion, internal friction angle, horizontal seismic acceleration coefficient, and water-filled depth coefficient are taken as random variables, and the failure probability of the slope and the failure index corresponding to different slope heights and slopes are obtained as the output parameter. …”
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Design and Performance Evaluation of a Very Low Flow Coefficient Centrifugal Compressor by Yongsheng Wang, Feng Lin, Chaoqun Nie, Abraham Engeda

“…Due to the lower volume flow rate, the flow channels in the impeller and diffuser are so narrow that friction loss becomes the main factor, which leads to lower efficiency than that of other stages in the same compressors. …”
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Assessment of the Stability of an Unlined Rectangular Tunnel with an Overload on the Ground Surface by Jian Zhang, Zhibin Hang, Tugen Feng, Feng Yang

“…These failure patterns are more complex for cases with larger dimensionless depth, larger internal friction angle, and smaller dimensionless unit weight. …”
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Drag Reduction and Performance Improvement of Hydraulic Torque Converters with Multiple Biological Characteristics by Liu Chunbao, Li Li, Lei Yulong, Liu Changsuo, Zhang Yubo

“…Fish-like, dolphin-like, and bionic nonsmooth surfaces were employed in a hydraulic torque converter to achieve drag reduction and performance improvement, which were aimed at reducing profile loss, impacting loss and friction loss, respectively. YJSW335, a twin turbine torque converter, was bionically designed delicately. …”
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