Robust Optimum Design of Multiple Tuned Mass Dampers for Vibration Control in Buildings Subjected to Seismic Excitation by Luciara Silva Vellar, Sergio Pastor Ontiveros-Pérez, Letícia Fleck Fadel Miguel, Leandro Fleck Fadel Miguel

“…However, the best parameters in terms of stiffness and damping and the best position of the TMD to be installed in the structure are an area that has been studied in recent years, seeking optimal designs of such device for attenuation of structural dynamic response. …”
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Investigation and Development of a Three-Dimensional Transmission Tower-Line System Model Using Nonlinear Truss and Elastic Catenary Elements for Wind Loading Dynamic Simulation by Xiao Zhu, Ge Ou

“…The application of the open-source package transmission tower-line model on extreme wind speed considering the aerodynamic damping is further implemented.…”
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Validation of Modified ART Mod 2 Code through Comparison with Aerosol Deposition of Cesium Compound in Phébus FPT3 Containment Vessel by Wasin Vechgama, Kampanart Silva, Somboon Rassame

“…Prediction of Brownian diffusion is significantly improved due to the consideration of turbulent damping process. Cesium mass flow rate and aerosol size are factors that can significantly influence the uncertainty of the results. …”
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A Novel First-Order Fuzzy Rules-Based Forecasting System Using Distance Measures Approach for Financial Market Forecasting by Shahbaz Gul Hassan, Tran Thi Kieuvan, Shuangyin Liu, Harish Garg, Munawar Hassan, Shafqat Iqbal

“…Conventional statistical forecasting methods such as Holt’s linear trend, Holt’s exponential trend, and Holt’s damped exponential trend models were also applied on time-series data for comparison. …”
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Prediction of Small-Strain Dynamic Properties on Granulated Spherical Glass Bead-Polyurethane Mixtures by Gyeong-o Kang, Woong Choi, Changho Lee

“…This paper aims to propose predictive equations for the small-strain shear modulus (Gmax) and small-strain damping ratio (Dmin) of a granulated mixture with plastic and nonplastic materials to reduce the dynamic energy of the ground. …”
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Influence of Filler from a Renewable Resource and Silane Coupling Agent on the Properties of Epoxidized Natural Rubber Vulcanizates by Wiphawadee Pongdong, Charoen Nakason, Claudia Kummerlöwe, Norbert Vennemann

“…This was indicated by the decreased damping characteristic (tan ⁡δ) and the other changes in the mechanical properties. …”
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Feasibility of Output-Only Modal Identification Using Wireless Sensor Network: A Quantitative Field Experimental Study by Wen-ai Shen, Ying Lei, Liang Hu, Yang Wang

“…The comparison shows close match in natural frequencies and mode shapes, although relatively large difference in damping ratios exists between results from wireless and tethered sensing data. …”
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Nonlinear Model of Vibrating Screen to Determine Permissible Spring Deterioration for Proper Separation by Cristian G. Rodriguez, Manuel A. Moncada, Emilio E. Dufeu, Mario I. Razeto

“…In this article, a two-dimensional three-degree-of-freedom nonlinear model that considers significant angular motion and damping is developed. The proposed model allows the prediction of vibrating screen behavior when there is a reduction in spring stiffness. …”
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Vibration Characteristics of Underground Structure and Surrounding Soil Underneath High Speed Railway Based on Field Vibration Tests by Biao Zhou, Fengshou Zhang, Xiongyao Xie

“…The attenuation index is found to be decreased with the increase of underground structure stiffness. The existence of damping and coupling effect of the surrounding soil, as well as the interference of axle spectrum from excitation sources, makes it very challenging to separate the frequency response characteristics of structures from soil at FFT (Fast Fourier Transform) spectrum. …”
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Aerodynamic Noise Separation of an EMU Trailer Bogie Area Using Train Operation Tests by Leiming Song, Hao Chen, Baochuan Li

“…By applying these transfer coefficient functions to the noise analysis of high-speed train operation, the contributions of wheel-rail noise and frame-radiated noise to the noise of the bogie area at high speeds are obtained, and the aerodynamic noise is separated from the total noise, providing a reference for vibration damping and noise reduction in high-speed trains. …”
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Nonlinear Dynamic Model-Based Adaptive Control of a Solenoid-Valve System by DongBin Lee, Peiman Naseradinmousavi, C. Nataraj

“…The challenge is that solenoids and butterfly valves have uncertainties in multiple parameters in the nonlinear model; various kinds of physical appearance such as size and stroke, dynamic parameters including inertia, damping, and torque coefficients, and operational parameters especially, pipe diameters and flow velocities. …”
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A Gneralized Frequency-Temperature Viscoelastic Model by R.A.S. Moreira, J.D. Corte-Real, J. Dias Rodrigues

“…The design of passive damping treatments using viscoelastic materials requires both an accurate numerical analysis approach, usually making use of the finite element method, and a realistic means of material description. …”
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Improving Power System Stability with Gramian Matrix-Based Optimal Setting of a Single Series FACTS Device: Feasibility Study in Vietnamese Power System by Le Van Dai, Doan Duc Tung, Tran Le Thang Dong, Le Cao Quyen

“…For solving the problem, this paper proposes a relevant method for optimal setting of a single TCSC for the purpose of damping the power system oscillations. This proposed method is developed from the combination between the energy method and Hankel-norm approximation approach based on the controllability Gramian matrix considering the Lyapunov equation to search for a number of feasible locations on the small-signal stability analysis. …”
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Influence of Support Stiffness on Dynamic Characteristics of the Hydraulic Pipe Subjected to Basic Vibration by Wei Qu, Huailiang Zhang, Wei Li, Wenqian Sun, Lina Zhao, Haihui Ning

“…But the fluid pressure fluctuation with the higher stiffness is first stable, which can indicate that the support stiffness can increase the damping of the pipe system. This study can get a significant access to the structural design of the pipeline under basic vibration.…”
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Large-Scale Atmospheric Step-and-Repeat UV Nanoimprinting by Kentaro Ishibashi, Hiroshi Goto, Jun Mizuno, Shuichi Shoji

“…To minimize bubble defects and nonuniformity of the residual layer, we focused on the damping effects of photocurable resin viscosity. Fabrication of 165 dies was successfully demonstrated in a 130×130 mm2 area on an 8 in silicon substrate by step-and-repeat UV nanoimprinting under atmospheric pressure using high-viscosity photocurable resin. …”
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Analysis of Bearing Capacity and Seismic Performance of Circular RC Columns Strengthened with Externally Wrapped Steel Plates by Chunli Zhou, Xiaowei Li, Dongbo Wang, Shunxiang Xia

“…Under horizontal low-cyclic reversed loading, the columns after strengthening had both plumper hysteresis curves and higher ductility factors and equivalent viscous damping coefficient than those before strengthening, indicating the energy dissipation capacity, plastic deformation capacity, and seismic performance of the RC columns after strengthening were all obviously improved.…”
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The Impact of Convective Fluid Inertia Forces on Operation of Tilting-Pad Journal Bearings by Thomas Hagemann, Christopher Zeh, Maximilian Prölß, Hubert Schwarze

“…Further, beside the local influence, a nonnegligible impact on characteristic parameters of bearing operation such as maximum temperature and stiffness and damping coefficients is observed. Finally, the results are critically analyzed and requirements to gain more distinct and reliable data are specified.…”
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Le laser comme moyen de dégagement de produits de corrosion sur un objet archéologique : le cas de la dorure sur alliage cuivreux by Valentine Brodard

“…The results prove that lasers don’t permit the removal of corrosion products without damage on the gilded surface. However a laser with a faster pulse like a femtosecond laser may allow the cleaning of gilded copper without any damage…”
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Management of Ocular Diseases Using Lutein and Zeaxanthin: What Have We Learned from Experimental Animal Studies? by Chunyan Xue, Richard Rosen, Adrienne Jordan, Dan-Ning Hu

“…In these animal models, lutein and zeaxanthin have been reported to have beneficial effects in protecting ocular tissues and cells (especially the retinal neurons) against damage caused by different etiological factors. The mechanisms responsible for these effects of lutein and zeaxanthin include prevention of phototoxic damage by absorption of blue light, reduction of oxidative stress through antioxidant activity and free radical scavenging, and their anti-inflammatory and antiangiogenic properties. …”
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Use of Flavonoids and Cinnamates, the Main Photoprotectors with Natural Origin by Alesandra R. Nunes, Ícaro G. P. Vieira, Dinalva B. Queiroz, Antonio Linkoln Alves Borges Leal, Selene Maia Morais, Débora Feitosa Muniz, João Tavares Calixto-Junior, Henrique Douglas Melo Coutinho

“…The UVA (320–400 nm) and UVB (290–320 nm) wavelengths may cause effects such as photoaging, DNA damage, and a series of cellular alterations. The UVA radiation can damage the DNA, oxidize the lipids, and produce dangerous free radicals, which can cause inflammation, modify the gene expression in response to stress, and weaken the skin immune response. …”
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