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Zeitschriftenartikel zum Thema „Wedge coupling“

Autor: Grafiati

Veröffentlicht am 26. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Wang, Fucun, Yongyi Lu, Zhiqing Zhao, et al. "A Numerical Simulation Method for Investigating the Fluid–Structure–Ice Coupling Mechanism of a Wedge Breaking through Ice into Water." Applied Sciences 14, no. 20 (2024): 9204. http://dx.doi.org/10.3390/app14209204.

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We aimed to investigate the fluid–solid–ice coupling mechanism as structures break through ice into water. Using LS–DYNA finite element software, a numerical simulation method is established, based on the ALE flow–solid coupling method, and the penalty function contact algorithm, which describes the structure–ice–water coupling interaction. The Eulerian algorithm is used to describe the air and water domains, while the Lagrange method is applied to the wedge and ice structure. The mechanical properties of ice are characterized using the elastic–plastic failure strain model. The feasibility of

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2

Pusok, Adina E., Dave R. Stegman, and Madeleine Kerr. "The effect of low-viscosity sediments on the dynamics and accretionary style of subduction margins." Solid Earth 13, no. 9 (2022): 1455–73. http://dx.doi.org/10.5194/se-13-1455-2022.

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Abstract. Observations of sediments at subduction margins appear to divide them into two classes: accretionary and erosive. Accretionary margins are dominated by accretion of thick piles of sediments (>1 km) from the subducting plate, while tectonic erosion is favored in regions with little or no sedimentary cover (<1 km). The consequences of the two styles of margins for subduction dynamics remain poorly resolved. In this study, we used 2-D numerical simulations of subduction to investigate how low-viscosity sediments influence subduction dynamics and margin type through plate coupling.

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3

Yang, Che Hua, and Chun Zen Tsen. "Dispersion Behaviors of Wedge Waves Propagating Along Wedges with Bilinear Cross Sections." Key Engineering Materials 321-323 (October 2006): 765–69. http://dx.doi.org/10.4028/www.scientific.net/kem.321-323.765.

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Wedge waves (WW) are guided acoustic waves propagating along the tip of a wedge, with energy tightly confined near the apex. Like Lamb waves, wedge waves with displacement field anti-symmetric about the mid-apex-plane are called anti-symmetric flexural (ASF) modes. This study is focused on exploring the dispersion behaviors of ASF modes propagating along a bilinear wedge (BW). A BW is wedge with a cross section of two apex angles, compared with a linear wedge (LW) having a single apex angle. In the literature, many studies regarding to the dispersion behaviors of ASF modes are reported for LW,

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4

Liu, Zhaohong, Jiayue Wang, Ning Li, et al. "A 2 µm Gallium Antimonide Semiconductor Laser Based on Slanted, Wedge-Shaped Microlens Fiber Coupling." Photonics 11, no. 2 (2024): 108. http://dx.doi.org/10.3390/photonics11020108.

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Semiconductor lasers with a wavelength of 2 µm, composed of antimonide materials, find important applications in trace gas detection, laser medicine, and free-space optical communication, among others. In this paper, a more suitable microlens shape for 2 µm gallium antimonide semiconductor lasers is designed. Based on the fiber coupling efficiency model, the parameters of the designed slanting wedge-shaped microlens fiber are optimized to improve laser beam quality. The large tangent angle on both sides of the slanted, wedge-shaped microlens fiber is calculated using Snell’s law, and the fiber

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5

Ping, Xue Cheng, Lin Leng, and Si Hai Wu. "Thermo-Mechanical Stress near Apex of a Bi-Material Wedge by a Novel Finite Element Analysis." Key Engineering Materials 525-526 (November 2012): 93–96. http://dx.doi.org/10.4028/www.scientific.net/kem.525-526.93.

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A super wedge tip element for application to a bi-material wedge is develop utilizing the thermo-mechanical stress and displacement field solutions in which the singular parts are numerical solutions. Singular stresses near apex of an arbitrary bi-material wedge under mechanical and thermal loading can be obtained from the coupling between the super wedge tip element and conventional finite elements. The validity of this novel finite element method is established through existing asymptotic solutions and conventional detailed finite element analysis.

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6

Liao, Yin-Song, Jia-Ren Wu, Diksha Thakur, Jy-Shan Hsu, Ram Prakash Dwivedi, and Sheng Hsiung Chang. "Power Loss Reduction of Angled Metallic Wedge Plasmonic Waveguides via the Interplay between Near-Field Optical Coupling and Modal Coupling." Photonics 9, no. 9 (2022): 663. http://dx.doi.org/10.3390/photonics9090663.

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Coupled metallic-wedge nano-plasmonic (CWP) waveguides were predicted as the best building blocks, which can realize ultra-compact and broadband integrated optical circuits (IOCs) due to the localized near-field distributions at the dielectric/metal interfaces. Our simulation results show that the manipulations of the near-field distribution and the near-field modal coupling in CWP waveguides can effectively minimize the power loss by varying the wedge angles, which can avoid the loss from the metallic structure and thereby improving the practical application in IOCs.

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7

Zaytsev, Dmitriy, Sergey Velichko, and Alesandr Davydkin. "OPERATIONAL RELIABILITY OF WEDGE DATE VALVES IN WATER SUPPLY SYSTEMS OF THE AGRO-INDUSTRIAL COMPLEX." Tekhnicheskiy servis mashin 62, no. 4 (2024): 7–14. https://doi.org/10.22314/2618-8287-2024-62-4-7-14.

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One of the most important tasks of the agro-industrial complex of the Russian Federation is to provide agricultural enterprises with water. From 17 to 20 percent of the total volume of water lost in accidents is directly related to the insufficient reliability of pipeline fittings. Wedge valves are more susceptible to wear than other types of fittings. (Research purpose) The research purpose is determining the causes of failures of wedge valves of water supply systems. (Materials and methods) Studied open information sources, Internet resources, scientific and technical literature and regulato

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8

Li, Qingdang, Shuaishuai Li, and Yu Wang. "Rigid-Flexible Coupling Dynamics Simulation of Wedge Press." IOP Conference Series: Earth and Environmental Science 558 (September 5, 2020): 032004. http://dx.doi.org/10.1088/1755-1315/558/3/032004.

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9

Xie, Zhitian, Xiaokai Niu, Pengfei Li, Mingju Zhang, and Xiao Liu. "Mechanical Properties of Disconnectable Coupling Joints for Steel Bracing under Eccentric Load." Applied Sciences 13, no. 9 (2023): 5596. http://dx.doi.org/10.3390/app13095596.

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Disconnectable coupling (DC) joints of steel bracing in foundation pit engineering are inevitably subjected to eccentric load, but their mechanical properties under eccentric load have not been thoroughly investigated. Based on full-scale test results of DC joints under axial compression, a validated finite element model was established. The bearing capacity and flexural performance of DC joints under eccentric load were studied systematically through a series of numerical simulations. These parameters included the length, width and height of the steel wedge; eccentricity; steel tube wall thic

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10

Wang, Guilian, Yong Wang, Bingrui Lv, Ruopeng Ma, and Li Liu. "Research on a New Type of Rigid-Flexible Coupling 3-DOF Micro-Positioning Platform." Micromachines 11, no. 11 (2020): 1015. http://dx.doi.org/10.3390/mi11111015.

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A new type of rigid-flexible coupling three degrees of freedom (3-DOF) micro-positioning platform with high positioning accuracy and high bearing capacity is developed, which consists of flexible drive mechanism and rigid platform. The flexible drive mechanism consists of three sets of symmetrical parallel round flexible hinge structures, each with a wedge structure in the middle of the symmetrical parallel flexible hinge. The rigid platform has an inclined plane with the same angle as the wedge, while the wedge structure is used to achieve the self-locking effect. The flexibility matrix metho

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KAWAHASHI, Masaaki, Kenji HOSOI, Eric BROCHER, and Paul COLLINII. "Visualization of vortex-shedding from wedge coupling with resonator." JOURNAL OF THE FLOW VISUALIZATION SOCIETY OF JAPAN 7, no. 26 (1987): 243–46. http://dx.doi.org/10.3154/jvs1981.7.243.

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12

Bo, Fang, Steven He Huang, Şahin Kaya Özdemir, Guoquan Zhang, Jingjun Xu, and Lan Yang. "Inverted-wedge silica resonators for controlled and stable coupling." Optics Letters 39, no. 7 (2014): 1841. http://dx.doi.org/10.1364/ol.39.001841.

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13

Sharkov, O. V., S. I. Koryagin, and N. L. Velikanov. "Effect of wedge coupling in smooth cylindrical surfaces contact." IOP Conference Series: Earth and Environmental Science 194 (November 15, 2018): 022034. http://dx.doi.org/10.1088/1755-1315/194/2/022034.

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14

Hosseinzadeh, Saeed, Ameen Topa, and Kristjan Tabri. "A Numerical Sensitivity Analysis of Fluid-Structure Interaction Simulations on Slamming Loads and Responses." IOP Conference Series: Materials Science and Engineering 1288, no. 1 (2023): 012017. http://dx.doi.org/10.1088/1757-899x/1288/1/012017.

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Abstract This paper presents a parametric study on the Multi Material Arbitrary Lagrangian–Eulerian (MMALE) method for hydroelastic analysis of a non-prismatic stiffened aluminium wedge. An explicit finite element formulation with a penalty-based coupling technique is employed to evaluate the impact-induced loads and responses during free-fall water entry. Based on the penalty factor, damping factor, and number of coupling points, a sensitivity analysis is carried out. It is shown that the penalty coupling method can generate high-frequency oscillations due to the nature of the phenomenon that

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15

Yang, B. D., and C. H. Menq. "Characterization of Contact Kinematics and Application to the Design of Wedge Dampers in Turbomachinery Blading: Part 1—Stick-Slip Contact Kinematics." Journal of Engineering for Gas Turbines and Power 120, no. 2 (1998): 410–17. http://dx.doi.org/10.1115/1.2818138.

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Friction dampers are often used in turbine design to attenuate blade vibration to acceptable levels so as to prolong blades’ service life. A wedge damper, also called a self-centering, blade-to-blade damper, can provide more design flexibility to meet various needs in different operating conditions when compared with conventional platform dampers. However, direct coupling of the two inclined friction interfaces of the wedge damper often leads to very complex contact kinematics. In Part I of this two-part paper, a dual-interface friction force model is proposed to investigate the coupling conta

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BAO, Yue, Xiandong LIU, and Yongning YU. "Numerical investigation of simply supported periodic rectangular plates with acoustic black hole wedge." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 10 (2024): 1242–50. http://dx.doi.org/10.3397/in_2024_2854.

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In this paper, we propose the periodic rectangle plate with one-dimensional acoustic black hole (ABH) wedge under the simply supported condition. The vibration performances have been investigated by the semi-analytic method based on the levy solution method combined with WKB approximation, which is also validated by finite element method (FEM) simulation. For the rectangle ABH wedge, we derive the flexural wave dispersive relationship in plate, which also revealed the cut-on frequency. It can also be found that with the increase of periodic number, the vibration of plate structure can be reduc

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17

Tariq, Adnan, Shahid Khattak, Hina Munsif, Sohail Razzaq, and Irfanullah Irfanullah. "Linear Pattern Correction Technique for Compensating the Effects of Mutual Coupling and Deformation in Wedge-Shaped Conformal Antenna Arrays." Applied Computational Electromagnetics Society 36, no. 5 (2021): 533–41. http://dx.doi.org/10.47037/2020.aces.j.360507.

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In this paper, the effects of mutual coupling and antenna surface deformity in a conformal wedge-shaped antenna array are compensated using a linear pattern correction technique. The problem is formulated to reduce the absolute distance between the actual (simulated) and the desired radiation patterns and to allow for null positioning control. The individual field patterns for the antenna elements are deformed due to changes in mutual coupling and the conformal surface. The deformed patterns of the individual antennas for specific bend angles are stored as lookup tables and interpolated to get

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18

GUO, Zhao-shi, Wen-bin QIN, Jing LI, et al. "Fiber Coupling of Semiconductor Laser Based on Wedge-shaped Lens." Chinese Journal of Luminescence 42, no. 1 (2021): 98–103. http://dx.doi.org/10.37188/cjl.20200233.

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19

Kowalczyk, L., S. Wrotek, P. Dziawa, et al. "Interlayer Exchange Coupling in Semiconductor EuS-PbS Ferromagnetic Wedge Multilayers." Acta Physica Polonica A 110, no. 2 (2006): 225–31. http://dx.doi.org/10.12693/aphyspola.110.225.

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20

Pan, Chao, Yu Jun Zuo, Shang Gao, and Wei Li. "Numerical Simulation on Hard and Stable Roof Control by Means of Directional Hydraulic Fracturing in Coal Mine." Applied Mechanics and Materials 638-640 (September 2014): 894–97. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.894.

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Hydraulic fracturing is a method which combines a natural action with a factitious means to alter rock structure. In order to control the extending direction of fracture in the process of hydraulic fracturing, directional hydraulic fracturing is necessary. According to fracture initiation and extension mechanism, taking fully into account the flow-stress-damage coupling effect, simulating with numerical way and analyzing a law of the roof under the dynamic failure process on a working face with a hard and stable roof in 2 cases, the one is the non-directional directional hydraulic fracturing,

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21

Zachopoulos, Konstantinos, Nikolaos Kokkos, Costas Elmasides, and Georgios Sylaios. "Coupling Hydrodynamic and Energy Production Models for Salinity Gradient Energy Assessment in a Salt-Wedge Estuary (Strymon River, Northern Greece)." Energies 15, no. 9 (2022): 2970. http://dx.doi.org/10.3390/en15092970.

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Salinity gradient energy (SGE) plants generate power from the mixing of salt water and fresh water using advanced membrane systems. In the Strymon River, under low-flow conditions, a salt wedge is formed, developing a two-layer stratified system, which could be used to extract SGE. In this paper, a novel study was implemented by coupling a 3D hydrodynamic model simulating the salt wedge flow, with the SGE model which assesses the net energy produced by a 1 MW SGE plant. Two scenarios were followed: (a) the optimal scenario, operating throughout the year by mixing salt water from the sea (38.1

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22

Li, Jinguang, Hongyan Qi, Yunhai Ma, Peng Gao, and Baoguang Wu. "Simulation and Structural Analysis of a Flexible Coupling Bionic Desorption Mechanism Based on the Engineering Discrete Element Method." Biomimetics 9, no. 4 (2024): 224. http://dx.doi.org/10.3390/biomimetics9040224.

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Soil adhesion is one of the important factors affecting the working stability and quality of agricultural machinery. The application of bionic non-smooth surfaces provides a novel idea for soil anti-adhesion. The parameters of sandy loam with 21% moisture content were calibrated by the Engineering Discrete Element Method (EDEM). The final simulated soil repose angle was highly consistent with the measured soil repose angle, and the obtained regression equation of the soil repose angle provides a numerical reference for the parameter calibration of different soils. By simulating the sinusoidal

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23

QIU, Z. Q., J. PEARSON, and S. D. BADER. "SHORT-PERIOD OSCILLATIONS OF THE MAGNETIC COUPLING OF EPITAXIAL GROWN Fe/Mo/Fe SANDWICHES ON Mo(100)." Modern Physics Letters B 06, no. 14 (1992): 839–49. http://dx.doi.org/10.1142/s0217984992001691.

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Epitaxial Fe / Mo / Fe sandwiches grown onto a Mo (100) single crystal were characterized in situ by electron diffraction and the magneto-optic Kerr effect. The intervening Mo layer is wedge shaped to facilitate the study of the magnetic coupling between the two (14-monolayer thick) Fe films as a function of Mo thickness. The exchange coupling between the Fe films across Mo was found to exhibit oscillatory behavior between antiferromagnetic (AF) and ferromagnetic coupling with a periodicity of ~3 ML of Mo . The shape of the hysteresis loop of the AF-coupled samples was calculated from a simple

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Wu, Di, Jinping Tian, and Rongcao Yang. "Study of mode performances of graphene-coated nanowire integrated with triangle wedge substrate." Journal of Nonlinear Optical Physics & Materials 27, no. 02 (2018): 1850013. http://dx.doi.org/10.1142/s0218863518500133.

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A novel type of plasmonic waveguide, consisting of graphene-coated nanowire integrated with triangle wedge substrate and the low-index dielectric gap, is introduced for nanoscale field confinement. Numerical simulations indicate that extremely compact light confinement and low propagation loss can be obtained owing to the strong coupling between the graphene-coated nanowire and the tip of the triangle wedge substrate. Meanwhile, the proposed waveguide is quite tolerant to practical fabrication error for other geometry parameters. The graphene-based waveguide in this study is a natural extensio

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Koulali, Achraf, Simon McClusky, Phil Cummins, and Paul Tregoning. "Wedge geometry, frictional properties and interseismic coupling of the Java megathrust." Tectonophysics 734-735 (June 2018): 89–95. http://dx.doi.org/10.1016/j.tecto.2018.03.012.

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26

Jiang, Yanyu, Qianchu Zhang, and Boris Katsnelson. "Mode coupling in a coastal wedge due to quasi-crossing of range-dependent modal eigenvalues." JASA Express Letters 3, no. 1 (2023): 016001. http://dx.doi.org/10.1121/10.0016782.

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A specific mechanism of mode coupling in a waveguide propagation is studied when two range-dependent eigenvalues approach each other. This phenomenon is analogous to the so-called quasi-crossing of states in atomic physics (Landau–Zener theory). It is considered for the sound wave propagation in a coastal wedge in the presence of a sound-speed profile. The change in mode composition and the corresponding spatial variability of the sound field are analyzed by using modes coupling equations and the parabolic equation with a field decomposition over adiabatic modes, respectively.

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Huijer, Ernst, and Sami Karaki. "Wedge functions applied to 2D magnetostatic problems." Archives of Electrical Engineering 60, no. 4 (2011): 519–29. http://dx.doi.org/10.2478/v10171-011-0042-3.

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Wedge functions applied to 2D magnetostatic problems In this paper the application of so called wedge functions is presented to solve two-dimensional simple geometries of magnetostatic and electrostatic problems, e.g. rectangles of varying aspect ratio and with different values of the magnetic permeability μ. Such problems require the use of surface charge density, or segment source, functions of the form ρs = σa-1, where the power parameters, a, have special fractional values. A methodology is presented to determine these special values of a and use them in segment sources on simple geometrie

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28

Dong, You Kou, Jun Jie Zheng, and Jun Zhang. "Analysis of Flow and Failure Mechanism of Cushion in Rigid Pile Composite Foundation." Advanced Materials Research 168-170 (December 2010): 1491–95. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.1491.

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A DEM-FDM coupling model was established in this paper to study flow and failure mechanism of cushions with different thickness in rigid pile composite foundation (RPCF). Via analyzing displacement and stress fields in simulation results, the flow of cushion and its mechanical reason was discussed, the results showed that the flow of cushion was mainly caused by the penetration of pile and sand wedge above the pile head; and the shearing of particles along the outlines of pile shaft and the wedge was the main mechanical reason for the flow of cushion. In addition, theoretical discussion of pot

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Lu, Xi Lin, and Feng Di Li. "Study on the Stability of Large Cross-River Shield Tunnel Face with Seepage." Applied Mechanics and Materials 405-408 (September 2013): 1371–74. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.1371.

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By 3D numerical analysis, the seepage force on the tunnel face was obtained and shows linearly increasing trend with the water level. By considering the average seepage force on the wedge boundary of 3D trapezoidal wedge model, the limit support pressure to keep stability of tunnel face under seepage condition was obtained. The total limit support pressure increases almost linearly with the water level. In order to consider the deformation seepage coupling effect, the 3D coupled deformation and seepage numerical analysis was further used to investigate the influence of the water level on the f

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Sternini, Simone, Albert Y. Liang, and Francesco Lanza di Scalea. "Ultrasonic synthetic aperture imaging with interposed transducer–medium coupling path." Structural Health Monitoring 18, no. 5-6 (2018): 1543–56. http://dx.doi.org/10.1177/1475921718805514.

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An interposed coupling material between an ultrasonic transducer and the test medium can be present in various non-destructive inspections and structural health monitoring imaging applications. One example is the wedge medium often used to direct ultrasonic beams into the test material for optimal interaction with internal defects. Another example is the ultrasonic imaging of multilayered structures. This article discusses the ways to perform synthetic aperture focus ultrasonic imaging in these cases where signal losses and complicated refractions at the coupling material/medium interface take

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Kinsey, G. S., R. Sidhu, A. L. Holmes, and J. C. Campbell. "Improved optical coupling in waveguide photodetectors incorporating a wedge-shaped input facet." Optics Letters 27, no. 9 (2002): 749. http://dx.doi.org/10.1364/ol.27.000749.

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Ma, Zhu, Xiaoyan Sun, Shunshun Zhong, Lian Duan, Fan Zhang, and Ji-an Duan. "Coupling multi-beam laser diode to multimode fiber by wedge prism combiner." Optical Fiber Technology 84 (May 2024): 103723. http://dx.doi.org/10.1016/j.yofte.2024.103723.

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Liu, Renwei, Yanzhuo Xue, and Xikui Lu. "Coupling of Finite Element Method and Peridynamics to Simulate Ship-Ice Interaction." Journal of Marine Science and Engineering 11, no. 3 (2023): 481. http://dx.doi.org/10.3390/jmse11030481.

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In this work, the finite element method (PD-FEM) coupling strategy is used to simulate ship-ice interaction. Two numerical benchmark tests are selected to validate the coupling approach and its program. During the ice-breaking process simulation, the generation and propagation of radial and circular cracks in level ice are modeled and phenomena such as the shedding of wedge ice, flipping of brash ice, and cleaning of the channel are observed to be broadly consistent with experimental observation. The influence of ship speed and ice thickness on the ice load are investigated and analyzed. The i

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Chalá, Dayana Carolina, Claudia Castro-Faccetti, Edgar Quiñones-Bolaños, and Mehrab Mehrvar. "Salinity Intrusion Modeling Using Boundary Conditions on a Laboratory Setup: Experimental Analysis and CFD Simulations." Water 16, no. 14 (2024): 1970. http://dx.doi.org/10.3390/w16141970.

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Salinity intrusion is one of the most pressing threats to unconfined coastal aquifers, and its simulation is of great importance for groundwater research and management. This study compared the performances of two computational fluid dynamics (CFD) software applications, ANSYS Fluent 2022 R2 and COMSOL Multiphysics 5.6, in simulating the transport of saltwater in a pilot-scale experimental setup, which was built to recreate two boundary conditions of unconfined aquifers with homogeneous stratigraphy. The experiments were performed until the saline wedge reached a quasi-steady-state condition.

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ARVELO, JUAN I., and ALLAN P. ROSENBERG. "THREE-DIMENSIONAL EFFECTS ON SOUND PROPAGATION AND MATCHED-FIELD PROCESSOR PERFORMANCE." Journal of Computational Acoustics 09, no. 01 (2001): 17–39. http://dx.doi.org/10.1142/s0218396x01000413.

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The most recent 2-D split-step Padé parabolic-equation model was modified to include narrow-angle azimuthal coupling. This model was developed and applied to the Santa Barbara channel to assess the effect of 3-D propagation on the performance of a matched-field processor. These results, plus those from the Shallow Water Acoustic Modeling (SWAM) workshop's 3-D wedge and the Gaussian canyon cases, will demonstrate the importance of azimuthal coupling to sound propagation in littoral regions and its effect on the performance of a matched-field processor. Special emphasis is given to model limitat

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Cadamuro, Daniela, and Yoh Tanimoto. "Wedge-local observables for factorizing S-matrix with gap in the coupling constant." Reviews in Mathematical Physics 30, no. 04 (2018): 1850010. http://dx.doi.org/10.1142/s0129055x18500101.

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In the bootstrap approach to integrable quantum field theories in the [Formula: see text]-dimensional Minkowski space, one conjectures the two-particle S-matrix and tries to study local observables. We find a family of two-particle S-matrices parametrized by two positive numbers, which are separated from the free field or any other known S-matrix. We propose candidates for observables in wedge-shaped regions and prove their commutativity in the weak sense. The sine-Gordon model is conjectured to be equivalent to the Thirring model, and its breather–breather S-matrix components (where the first

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Däßler, Rolf, and David A. Yuen. "The metastable olivine wedge in fast subducting slabs: Constraints from thermo-kinetic coupling." Earth and Planetary Science Letters 137, no. 1-4 (1996): 109–18. http://dx.doi.org/10.1016/0012-821x(95)00219-3.

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Krvavica, Nino, Ivica Kožar, Vanja Travaš, and Nevenka Ožanić. "Numerical modelling of two-layer shallow water flow in microtidal salt-wedge estuaries: Finite volume solver and field validation." Journal of Hydrology and Hydromechanics 65, no. 1 (2017): 49–59. http://dx.doi.org/10.1515/johh-2016-0039.

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AbstractA finite volume model for two-layer shallow water flow in microtidal salt-wedge estuaries is presented in this work. The governing equations are a coupled system of shallow water equations with source terms accounting for irregular channel geometry and shear stress at the bed and interface between the layers. To solve this system we applied the Q-scheme of Roe with suitable treatment of source terms, coupling terms, and wet-dry fronts. The proposed numerical model is explicit in time, shock-capturing and it satisfies the extended conservation property for water at rest. The model was v

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Anderson, D. M., and S. H. Davis. "Local fluid and heat flow near contact lines." Journal of Fluid Mechanics 268 (June 10, 1994): 231–65. http://dx.doi.org/10.1017/s0022112094001333.

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We consider steady two-dimensional fluid flow and heat transfer near contact lines in single-phase and two-phase systems. Both single- and double-wedge geometries admit separable solutions in plane polar coordinates for both thermal and flow fields. We consider the class of functions which have bounded temperatures and velocities at the corner. When free surfaces are present, we seek local solutions, those that satisfy all local boundary conditions, and partial local solutions, those that satisfy all but the normal-stress boundary condition. Our aim in this work is to describe local fluid and

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Kelley, M. H., J. Unguris, R. J. Celotta, and D. T. Pierce. "Imaging magnetic microstructure with SEMPA." Proceedings, annual meeting, Electron Microscopy Society of America 51 (August 1, 1993): 1032–33. http://dx.doi.org/10.1017/s042482010015099x.

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By measuring the spin polarization of secondary electrons generated in a scanning electron microscope, scanning electron microscopy with polarization analysis (SEMPA) can directly image the magnitude and direction of a material’s magnetization. Because the escape depth of the secondaries is only on the order of 1 nm, SEMPA is especially well-suited for investigating the magnetization of ultra-thin films and surfaces. We have exploited this feature of SEMPA to study the magnetic microstrcture and magnetic coupling in ferromagnetic multilayers where the layers may only be a few atomic layers thi

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Rajabi, Meysam, Fahimeh Heydari, Hassan Ghassemi, Mohammad Javad Ketabdari, and Hamidreza Ghafari. "Three-Dimensional Numerical Modeling of a Coastal Highway Bridge under Stokes Waves." Mathematical Problems in Engineering 2021 (November 1, 2021): 1–19. http://dx.doi.org/10.1155/2021/8397326.

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This article investigated the effect of structural flexibility on a coastal highway bridge subjected to Stokes waves through a three-dimensional numerical model. Wave-bridge interaction modeling was performed by an FSI model with the coupling of finite element and finite volume methods. An experimental model validated the FSI numerical analysis. Eventually, the overall results of hydrodynamic and structural analyses are presented and discussed. The results illustrate that the structural flexibility significantly increases the initial shock of the wave force on the flexible bridge. In contrast,

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Wang, Wen-hua, Yi Huang, and Yan-ying Wang. "Further Application of Surface Capturing Method and Cartesian Cut Cell Mesh on Hydroelastic Water-Entry Problems of Free-Falling Elastic Wedge." Mathematical Problems in Engineering 2014 (2014): 1–17. http://dx.doi.org/10.1155/2014/545642.

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In order to study the interactions between fluid and elastic structure (such as marine lifeboat falling down and ship), this paper presents a new CFD method on hydroelastic water-entry problem of free-falling elastic wedge, which can more conveniently handle moving solid boundaries. In the CFD solver, a surface capturing method and the Cartesian cut cell mesh are employed to deal with the moving free surface and solid boundaries, respectively. On the other hand, in structural analysis, the finite element method and lath-beam structural model are introduced to calculate the elastic response. Fu

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Zhao, Y. J., T. T. Guo, Y. C. Li, and L. P. Zhang. "Experimental study on collision of a rigid wedge-shaped striking bow with ship section model." Journal of Physics: Conference Series 2891, no. 7 (2024): 072028. https://doi.org/10.1088/1742-6596/2891/7/072028.

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Abstract In fluid-structure coupling collision tests of ship models, it is possible to obtain information about structural damage and accurately simulate the energy distribution during the collision process. Consequently, such tests are most effective in reflecting the true physical process of ship collisions. In this paper, a fluid-structure coupling collision test of a ship model was designed, where the bow of the striking ship was represented by a rigid wedge-shaped striking bow, and a scaled local section model of the struck ship was selected. The striking bow was applied to the side of th

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Strilets, О. R., V. M. Strilets, and A. A. Stepaniuk. "TENSION AND DEFORMATIONS OF STAR-SHAPED SPRING VERTICES WITH STRANGULATED ENDS OF THE FLEXIBLE COUPLING." ACADEMIC JOURNAL Series: Industrial Machine Building, Civil Engineering 1, no. 48 (2017): 26–33. http://dx.doi.org/10.26906/znp.2017.48.767.

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The article examines the structure of overload flexible coupling that contains internal and external hubs, connected by a star-shaped spring with the circular vertices inserted in grooves on the outer surface of internal hub and inner surface of the external hub. Position of the star-shaped spring is fixed on the inner hub by the wedge, which allows the spring to be made either solid or of separate circular vertices with strangulated ends. Geometric synthesis of star-shaped spring with vertices of circular shape, depending on its size was conducted. It is assumed that star spring vertices are

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Polonia, A., L. Torelli, L. Gasperini, and P. Mussoni. "Active faults and historical earthquakes in the Messina Straits area (Ionian Sea)." Natural Hazards and Earth System Sciences 12, no. 7 (2012): 2311–28. http://dx.doi.org/10.5194/nhess-12-2311-2012.

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Abstract. The Calabrian Arc (CA) subduction complex is located at the toe of the Eurasian Plate in the Ionian Sea, where sediments resting on the lower plate have been scraped off and piled up in the accretionary wedge due to the African/Eurasian plate convergence and back arc extension. The CA has been struck repeatedly by destructive historical earthquakes, but knowledge of active faults and source parameters is relatively poor, particularly for seismogenic structures extending offshore. We analysed the fine structure of major tectonic features likely to have been sources of past earthquakes

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Liu, Xu, and Xiaohan Sun. "Quasi-Axial GRIN Lens Implemented in Wedge-Shaped Fiber Coupling With InP-Based PLC." IEEE Transactions on Components, Packaging and Manufacturing Technology 2, no. 9 (2012): 1420–25. http://dx.doi.org/10.1109/tcpmt.2012.2207385.

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Fagereng, Åke. "Wedge geometry, mechanical strength, and interseismic coupling of the Hikurangi subduction thrust, New Zealand." Tectonophysics 507, no. 1-4 (2011): 26–30. http://dx.doi.org/10.1016/j.tecto.2011.05.004.

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Okhravi, Behnam, and Mostafa Ghorbanzadeh. "Manipulating nanoparticles by coupling wedge and plasmonic modes on non-uniformly biased graphene strips." Optics & Laser Technology 187 (September 2025): 112815. https://doi.org/10.1016/j.optlastec.2025.112815.

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Faltinsen, Odd M. "Water Entry of a Wedge by Hydroelastic Orthotropic Plate Theory." Journal of Ship Research 43, no. 03 (1999): 180–93. http://dx.doi.org/10.5957/jsr.1999.43.3.180.

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Water entry of a hull with wedge-shaped cross sections is analyzed. The stiffened platings between two transverse girders on each side of the keel are separately modeled. Orthotropic plate theory is used. The effect of structural vibrations on the fluid flow is incorporated by solving the two-dimensional Laplace equation in the cross-sectional fluid domain by a generalized Wagner's theory. The coupling with the plate theory provides three-dimensional flow effects. The theory is validated by comparison with full-scale experiments and drop tests. The importance of global ship accelerations is po

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Zhao, Bo, and Tie Jun Cui. "Scattering Characteristics of Targets above a Rough Surface in SAR Images." International Journal of Antennas and Propagation 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/653438.

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The modeling, simulation, and analysis of target characteristics are essential to a synthetic aperture radar (SAR) image-based autotarget recognition (ATR) system. The coupling effect between targets and rough surface is also important to the electromagnetic scattering and remote sensing. In this work, the simulations to SAR images of targets above a finite rough surface have been investigated. The effect of rough surface on the target characteristics, or the coupling between the rough surface and targets, is analyzed in details by observing changes of locations and intensities of scattering c

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