Academic literature on the topic 'Elastic line'

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Journal articles on the topic "Elastic line"

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Gürbüz, Nevin, and Ali Görgülü. "On dual r-elastic line." International Journal of Geometric Methods in Modern Physics 11, no. 10 (2014): 1450079. http://dx.doi.org/10.1142/s0219887814500790.

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Albert, Albert, Daniel Christianto, and Hadi Pranata. "EVALUASI STRUKTUR GEDUNG DUAL SYSTEM DENGAN DINDING GESER BERSAYAP C MENGGUNAKAN PUSHOVER ANALYSIS." JMTS: Jurnal Mitra Teknik Sipil 3, no. 4 (2020): 1233. http://dx.doi.org/10.24912/jmts.v3i4.8380.

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ABSTRACTAlthough elastic analysis gives a good indication of the elastic capacity and behavior of a building, but the elastic method can’t predict when the first yield will occur, and the failure mechanism and account for redistribution of member forces when the plastic hinges progressively formed. The use of inelastic procedure for evaluation is an attempt made by engineer in the past days to better understand how the structure will behave when subjected to strong earthquake, assuming the elastic capacity of the structure will be exceeded. In this research the pushover analysis was done using
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Krepkogorskiy, Vsevolod. "Elastic beam line with noticeable deflection." IOP Conference Series: Materials Science and Engineering 890 (August 13, 2020): 012035. http://dx.doi.org/10.1088/1757-899x/890/1/012035.

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Li, Qianqian, and T. C. T. Ting. "Line Inclusions in Anisotropic Elastic Solids." Journal of Applied Mechanics 56, no. 3 (1989): 556–63. http://dx.doi.org/10.1115/1.3176127.

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A line inclusion located at x2 = 0, |x1| < 1 in the anisotropic elastic medium of infinite extent under uniform loading at infinity is considered. Stroh’s formalism is used to find the displacement and stress fields. The inclusion can be rigid or elastic. Conditions on the loading under which the line inclusion does not disturb the homogeneous field are derived. For the rigid inclusion, a real form solution is obtained for the stress and displacement along x2 = 0. When the inclusion is elastic (and anisotropic), a pair of singular Fredholm integral equations of the second kind is derived fo
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Filipovic, Mirjana, and Miomir Vukobratovic. "Expansion of source equation of elastic line." Robotica 26, no. 6 (2008): 739–51. http://dx.doi.org/10.1017/s0263574708004347.

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SUMMARYThe paper is concerned with the relationship between the equation of elastic line motion, the “Euler-Bernoulli approach” (EBA), and equation of motion at the point of elastic line tip, the “Lumped-mass approach” (LMA). The Euler–Bernoulli equations (which have for a long time been used in the literature) should be expanded according to the requirements of the motion complexity of elastic robotic systems. The Euler–Bernoulli equation (based on the known laws of dynamics) should be supplemented with all the forces that are participating in the formation of the bending moment of the consid
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Elsharkawy, A. A., and B. J. Hamrock. "Elastohydrodynamic Lubrication of Elastomeric-Coated Surfaces in Line Contact." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 209, no. 2 (1995): 119–30. http://dx.doi.org/10.1243/pime_proc_1995_209_414_02.

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Elastohydrodynamic lubrication analysis for an elastomeric layer bonded to an elastic substrate and indented by a rotating elastic cylinder is introduced. The surface elastic deformations are computed from full elasticity analysis of layered elastic half-space. The dry-contact problem was solved first, and the iterative Newton-Raphson method was used to solve the elastohydrodynamic lubrication problem. The lubricant rheological equations were considered in the present analysis. The significant effects of the elastomeric layer thickness on the pressure profiles and film shapes at different oper
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Huang, Chun Ying, Man Hua Wan, and Xiao Jun Wang. "FeSiB Annealing Technology Based on Amorphous Ribbons of the Linear Expansion Coefficient." Key Engineering Materials 428-429 (January 2010): 537–39. http://dx.doi.org/10.4028/www.scientific.net/kem.428-429.537.

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The 4.5mm wide 25μm thick Fe78Si9B13 amorphous alloys were prepared by single-roller method, and it was annealed. The elastic modulus, tensile deformation and line expansion coefficient were investigated by Q800 (dynamic mechanical thermal analyses, DMA). The results showed that the elastic modulus, tensile deformation and line expansion coefficient were enhanced when annealed. Comparing with the annealed ribbons, the change rules of elastic modulus, tensile deformation and line expansion coefficient of the quenched are evident, that the elastic modulus decreases and tensile deformation increa
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Korotkiy, Viktor, and Igor' Vitovtov. "NATURE-LIKE CURVE MODELING." Bulletin of Bryansk state technical university 2021, no. 6 (2021): 11–22. http://dx.doi.org/10.30987/1999-8775-2021-6-11-22.

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A physical spline is called an elastic rod the cross- section dimensions of which are rather small as compared with the length and radius of its axis curvature. Such a rod when passing through specified points obtains in natural way a nature-like shape characterized with minimum energy of inner stresses and minimum mean curvature. A search for the equation of elastic line is a difficult mathematical problem having no elementary solution. 
 The work purpose: the development of the experimental-rated procedure for modeling a nature-like elastic curve passing through complanar points specifi
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Landes, J. D. "THE BLUNTING LINE IN ELASTIC-PLASTIC FRACTURE." Fatigue & Fracture of Engineering Materials and Structures 18, no. 11 (1995): 1289–97. http://dx.doi.org/10.1111/j.1460-2695.1995.tb00855.x.

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de Padua, A., Fernando Parisio-Filho, and Fernando Moraes. "Geodesics around line defects in elastic solids." Physics Letters A 238, no. 2-3 (1998): 153–58. http://dx.doi.org/10.1016/s0375-9601(97)00871-2.

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Dissertations / Theses on the topic "Elastic line"

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Thavalingham, Appapillai. "Deterimination of optimal yield line patterns governing the collapse of slabs." Thesis, Queen's University Belfast, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336673.

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Petri, Steven Walter. "The response of line-stiffened fluid-loaded infinite elastic plates to convecting pressure fields." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14347.

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Shin, Jong Gye. "Three-dimensional simulation of thermo elastic plastic plate bending by the line heating method." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/14480.

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Makhavikou, Valery [Verfasser], and Roland [Akademischer Betreuer] Kasper. "Line-fitting method of model order reduction for elastic multibody systems / Valery Makhavikou. Betreuer: Roland Kasper." Magdeburg : Universitätsbibliothek, 2015. http://d-nb.info/1079901450/34.

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Knabe, Coleman Scott. "Design of Linear Series Elastic Actuators for a Humanoid Robot." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/53511.

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Series elastic actuators (SEAs) have numerous benefits for force controlled robotic applications. This thesis presents the design and assembly of a set of compact, lightweight, low-friction linear SEAs for the legs of the Tactical Hazardous Operations Robot (THOR). The THOR SEA pairs a ball screw driven linear actuator with a configurable titanium leaf spring. A removable pivot changes the effective cantilever length, setting the compliance to either 372 or 655 kN/m. Unlike typical SEAs which measure actuator load through spring deflection, an in-line axial load cell directly measures actuator
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Ahart, Stephen Gregory. "Yield-line analysis and experimental study of reinforced concrete slabs containing openings." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/101267.

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Four rectangular, isotropically reinforced concrete slabs were constructed and loaded until collapse. All slabs were fixed on three edges with the fourth edge free. Three slabs contained openings at various locations while the fourth remained solid. The magnitudes of deflections were measured during loading and the final yield pattern and ultimate load were compared to those predicted by simple and advanced yield-line theory. An analytical computer program was developed and is presented for quick evaluation of the ultimate load and collapse mode of many types of uniformly loaded slabs by sim
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Gür, Yüksel. "Part I--Mean and fluctuating wall shear stress measurements ; Part II--Fluid-loaded elastic slab undergoing line and point load excitations." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/11982.

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Олійник, Я. О., Іван Володимирович Павленко, Иван Владимирович Павленко та Ivan Volodymyrovych Pavlenko. "Дослідження прогину балки шляхом розв'язання неленійного рівняння пружної осі". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/65093.

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Процес проектування машинобудівних конструкцій нерозривно пов’язаний із дослідженням їх напружено-деформованого стану. Ураховуючи, що переважна кількість конструкцій складається з елементів, що працюють на згинання, то задача їх розрахунку є актуальною.
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Votsios, Vasilis. "Contact mechanics and impact dynamics of non-conforming elastic and viscoelastic semi-infinite or thin bonded layered solids." Thesis, Loughborough University, 2003. https://dspace.lboro.ac.uk/2134/11815.

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The thesis is concerned with the contact mechanics behaviour of non-conforming solids. The geometry of the solids considered gives rise to various contact configurations, from concentrated contacts with circular and elliptical configuration to those of finite line nature, as well as those of less concentrated form such as circular flat punches. The radii of curvature of mating bodies in contact or impact give rise to these various nonconforming contact configurations and affect their contact characteristics, from those considered as semi-infinite solids in accord with the classical Hertzian th
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Wolf, Erich N. "Pressure broadening and pressure shift of diatomic iodine at 675 nm." Thesis, Connect to title online (Scholars' Bank) Connect to title online (ProQuest), 2009. http://hdl.handle.net/1794/10267.

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Books on the topic "Elastic line"

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Sardella, Edson. Elastic properties of the Abrikosov flux line lattice for anisotropic superconductors and some applications of the projection operator method to phenomenological and exact Hamiltonian systems. University of Manchester, 1993.

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Urry, D. W. What sustains life: Elastic molecular machines. Springer Verlag, 2000.

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Johnson, Barbara. Fresh elastic for stretched out moms. F.H. Revell, 2003.

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E, Melis Matthew, Halford Gary R, and United States. National Aeronautics and Space Administration., eds. Finite element elastic-plastic-creep and cyclic life analysis of a cowl lip. National Aeronautics and Space Administration, 1990.

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E, Melis Matthew, Halford Gary R, and United States. National Aeronautics and Space Administration., eds. Finite element elastic-plastic-creep and cyclic life analysis of a cowl lip. National Aeronautics and Space Administration, 1990.

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E, Melis Matthew, Halford Gary R, and United States. National Aeronautics and Space Administration., eds. Finite element elastic-plastic-creep and cyclic life analysis of a cowl lip. National Aeronautics and Space Administration, 1990.

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Arya, V. K. Finite element elastic-plastic-creep and cyclic life analysis of a cowl lip. National Aeronautics and Space Administration, 1990.

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Steigmann, David J. Elements of plasticity theory. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198567783.003.0013.

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Chapter 13 develops the modern theory for finite elastic-plastic deformations. It covers dissipation and highlights the role of the Eshelby tensor, and recovers the classical theory for isotropic materials using material symmetry arguments. Also developed are the equations of classical slip-line theory for plane-strain deformations.
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Jensen, Donald J. Determination of Influence Lines and Elastic Properties. Creative Media Partners, LLC, 2021.

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Johnson, Barbara. Fresh Elastic for Stretched Out Moms. Revell, 2007.

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Book chapters on the topic "Elastic line"

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Verruijt, Arnold. "Line Load on Elastic Half Space." In An Introduction to Soil Dynamics. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-3441-0_11.

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Popov, Valentin L., Markus Heß, and Emanuel Willert. "Line Loading of an Elastic Half-Space." In Handbook of Plane Contact Mechanics. Springer Berlin Heidelberg, 2025. https://doi.org/10.1007/978-3-662-70173-7_2.

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Nowacki, Jerzy Paweł. "General Electro-Elastic Line Defect in Unbounded Piezoelectric Body." In Static and Dynamic Coupled Fields in Bodies with Piezoeffects or Polarization Gradient. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-31670-1_4.

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Achenbach, Jan D., Jin O. Kim, and Yung-Chun Lee. "Measuring Thin-Film Elastic Constants by Line-Focus Acoustic Microscopy." In Advances in Acoustic Microscopy. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1873-0_5.

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Kim, Jin O., and Jan D. Achenbach. "Line-Focus Acoustic Microscopy Measurements of Thin-Film Elastic Constants." In Review of Progress in Quantitative Nondestructive Evaluation. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2848-7_244.

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Gu, Yu, Xiangnan Gu, Yingbo Xu, and Fangwen Hong. "Numerical Simulation of Lock-In Phenomenon of Cylinder-Elastic Beam Model Based on CFD-FEM Fluid-Structure Interaction Method." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_69.

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Abstract In this work, taking the fixed structure of rigid cylinder and elastic beam as the research object, the lock-in phenomena in vortex induced vibration of an elastic beam induced has been simulated based on the separated two way fluid solid interaction analysis method. The CFD method is used to calculate the flow field, and the elastic beam displacement is solved by the finite element method. The coupling is realized by transferring fluid force and structural displacement at the interface of fluid–solid domain, and the deformation updating of the euler mesh of the flow field is realized
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Lee, Eunsang, Hari Krishna Chilukoti, and Florian Müller-Plathe. "Stopping Droplet Rebound with Polymer Additives: A Molecular Viewpoint." In Fluid Mechanics and Its Applications. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09008-0_5.

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AbstractThe origin of rebound suppression of an impacting droplet by a small amount of polymer additive has been tentatively explained by various physical concepts including the dynamic surface tension, the additional energy dissipation by non-Newtonian elongational viscosity, the elastic force of stretched polymer, and the additional friction on a receding contact line. To better understand the role of polymer on a molecular level, we performed multi-body dissipative particle dynamics simulations of droplets impacting on solvophobic surfaces. The rebound suppression is achieved by the elastic
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Vélez, J. F., A. Sánchez, A. B. Moreno, and L. Morillo-Velarde. "Comparing Elastic Alignment Algorithms for the Off-Line Signature Verification Problem." In New Challenges on Bioinspired Applications. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21326-7_26.

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Lee, Yung-Chun, Wei Li, and Jan D. Achenbach. "Measurements of Thin-Film Elastic Properties by Line-Focus Acoustic Microscopy." In Review of Progress in Quantitative Nondestructive Evaluation. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1987-4_230.

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Kažys, R., and P. Stolpe. "Ultrasonic on-line non-destructive evaluation of elastic properties of paper." In Emerging Technologies in NDT. CRC Press, 2021. http://dx.doi.org/10.1201/9781003078586-47.

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Conference papers on the topic "Elastic line"

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Benedict, Risque L., Jerald G. Ott, David H. Marshall, and Dale White. "Cathodic Protection of Prestressed Concrete Cylinder Pipe Utilizing Zinc Anodes." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96322.

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Abstract Prestressed concrete cylinder pipe (PCCP) used in two pipelines for the Tarrant County Water Control and Improvement District Number One system has experienced corrosion failure within the first ten years of service. Mechanical damage to the mortar coating during installation and/or waterhammer pressures, due to weather-related power failures which raise line pressure above the elastic strain limit of the outer mortar coating, result in cracking of the coating and develop a migration path for chlorides in the soil to reach the prestress wire. A safe, reliable cathodic protection syste
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Roy, Samit, Marina Q. Smith, Steve C. Grigory, Hervé R. Couque, and Melvin F. Kanninen. "The Development of Methodologies for Determining the Residual Strength of Corroded Line Pipe under Combined Loading." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95023.

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Abstract This paper contains the results obtained from a three phase study of the integrity of corroded oil transmission pipelines under combined load conditions. The study was necessary for two reasons. First, the current and potential modified ANSI/ASME B31G criteria for corroded pipe are empirically drawn from experimentations on pipes much smaller in diameter and lower in grade of steel than those used in the oil transmission pipelines. Second, the current criterion does not account for the effects of axial bending that could occur in buried pipes due to settlement, and for the axial compr
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Walsh, John R., Kenneth R. Diller, and Jerry J. Brand. "Osmomechanical Behavior of Plant Cells Across Regions of Elastic and Osmotic Stress." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1307.

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Abstract Currently, we are developing protocols for cryopreserving select strains of algae from a large culture collection. Protocol design processes for specific organisms involve modeling the coupled osmomechanical behavior of the cells during cryoprotective additive (CPA) exposure. Perfusion cryomicroscopy experiments were conducted to characterize the extent of elastic and osmotic coupling effects upon cell volume changes during exposure of Chlorococcum texanum to step changes in extracellular sucrose concentration. Volume data obtained off-line from video recordings of continuous volumetr
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Dwivedi, Ankur, and Simon A. R. Horsley. "Line Waves in Elastic Metamaterials." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-112379.

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Abstract Line modes have been recently identified in electromagnetic materials: one dimensional waves bound to surfaces with opposite sign of permittivity and permeability. Here, we communicate analogous elastic line waves in mechanical metamaterials, using both analytical theory and the finite element method. We show analytically that a pure shear line mode exists at the boundary of an elastic material, at a junction between a region where the boundary is pinned in the plane, and out of the plane. We also numerically investigate the properties of line waves for the inverse situation where the
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Guo, Rui, Feng Zhang, and Liang Zhong. "Intelligent on-line monitoring system based on elastic wave for overhead transmission lines." In 2013 IEEE International Conference on Information and Automation (ICIA). IEEE, 2013. http://dx.doi.org/10.1109/icinfa.2013.6720280.

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Xie, Yongjun, Shiping He, and Shaojun Fu. "Fabrication of varied-line-space grating by elastic optics." In Photonics Asia 2004, edited by Yunlong Sheng, Dahsiung Hsu, Chongxiu Yu, and Byoungho Lee. SPIE, 2005. http://dx.doi.org/10.1117/12.571587.

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Furnish, Michael D., Tracy J. Vogler, C. Scott Alexander, et al. "STATISTICS OF THE HUGONIOT ELASTIC LIMIT FROM LINE VISAR." In SHOCK COMPRESSION OF CONDENSED MATTER - 2007: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2008. http://dx.doi.org/10.1063/1.2833129.

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Christova, Magdalena, Latchezar Christov, Nikolaj Andreev, Luka Č Popović, and Milan S. Dimitrijević. "Calculation of Shift of Argon Lines by Elastic Collisions Emitter—Neutral Atoms." In SPECTRAL LINE SHAPES IN ASTROPHYSICS: VI Serbi an Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA). AIP, 2007. http://dx.doi.org/10.1063/1.2800142.

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Kakarontzas, George, Ioannis Stamelos, and Panagiotis Katsaros. "Product Line Variability with Elastic Components and Test-Driven Development." In 2008 International Conference on Computational Intelligence for Modelling Control & Automation. IEEE, 2008. http://dx.doi.org/10.1109/cimca.2008.84.

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Eto, Hiroaki, Ryo Sekiguchi, Hitomi Kashima, Tomoki Ikoma, Yasuhiro Aida, and Koichi Masuda. "A Fundamental Study on Motion Characteristics of the Large-Scale Floating Coal Transshipment Station by Elastic Mooring Lines." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18958.

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Abstract This paper describes the motion characteristics and cargo handling efficiency of the Large-Scale Floating Coal Transshipment Station (LFTS). Indonesia is the main country supplying coal in the Asia-Pacific region, it is important to ensure stable coal supply to Japan. Because the topography of the seabed near East Kalimantan Island, Indonesia’s main coal production area, is shallow, it is difficult for bulk carriers to reach the coast. And then, Large-scale Floating Transposition Station for Loading Coal (hereafter LFTS) was proposed, which will be used as a transposition station betw
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Reports on the topic "Elastic line"

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Morgan and Gardiner. L51980 Monitoring Pipeline Coatings With the Elastic Wave In-Line Inspection Vehicle. Pipeline Research Council International, Inc. (PRCI), 2000. http://dx.doi.org/10.55274/r0011180.

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This report describes a program with the aim of improving discrimination of stress corrosion cracking (SCC) from non-SCC in data from the Elastic Wave (EW) in-line inspection tool. A major component of the work reported here was to create a database of features reported from Elastic Wave inspections. This allows consistent information to be collated for excavated features, as a basis for characterization of the EW tool's response to particular features. Following completion of the work reported here the database was transferred to Pipeline Integrity International, vendors of the Elastic Wave s
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Aldridge, D. F. Elastic Wave Radiation from a Line Source of Finite Length. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/2087.

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Barnes, B. L41025A PRCI Research Results on In-Line Inspection Technology Field Tests - Expanded. Pipeline Research Council International, Inc. (PRCI), 1988. http://dx.doi.org/10.55274/r0011372.

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This report will briefly describe the performance of eddy current and magnetic flux leakage systems and the difficulties that have been recognized as impediments for stress corrosion crack detection on ILI vehicles. In addition, two promising systems, based on electromagnetic acoustic transducers (EMAT's) and piezoelectrics (elastic waves), have emerged from the PRCI research efforts. Results of field testing in Casa Grande, Arizona on an El Paso Natural Gas abandoned pipeline using these systems will be summarized and will show the state of development of both EMAT's and piezoelectrics (elast
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Chell. PR-015-063513-R01 Evaluating Failure Susceptibility Due to Axial Cracks in Pressurized Line Pipe. Pipeline Research Council International, Inc. (PRCI), 2008. http://dx.doi.org/10.55274/r0010971.

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A best estimate methodology based on elastic-plastic fracture mechanics technology was developed that uses the cract tip driving force parameter to support the remaining fatigue life calculations. Development of this technology is facilitated by finite element analysis.
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Pearce. L51969 Development and Construction of a 24 inch and 36 inch Mk3 Elastic Wave In-Line Inspection Vehicle. Pipeline Research Council International, Inc. (PRCI), 2002. http://dx.doi.org/10.55274/r0011295.

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The Elastic Wave (EW) technology has a proven record of detecting longitudinal cracking in gas and liquid pipelines. Prior to the initiation of this project, the technology had been based on a 36" pipe diameter with conversion kits covering 30", 32" and 34". Bend passing capability was 3D back to back, changing to 5D on the 30" build. To extend the technology over a greater range of pipe diameters and to incorporate 1.5D bend-passing capability on the smaller sizes required a radical re-design of the whole system. The brief of this project was to design a system capable of operating over the s
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Rudland. L52245 Improvements to the Two Curve Ductile Fracture Model - Soil-Elastic and Plastic Contributions. Pipeline Research Council International, Inc. (PRCI), 2007. http://dx.doi.org/10.55274/r0010625.

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The most commonly used fracture analyses procedure for the prediction of minimum arrest toughness and fracture speed for axially running cracks in line pipe materials for natural gas transmission pipeline applications is the Battelle Two-Curve approach. This analysis procedure incorporates the gas-decompression behavior with the fracture toughness of the pipe material to predict the minimum Charpy energy required for crack arrest. For this model, the effect of backfill on the propagating crack fracture speeds is lumped into one empirically based �backfill coefficient,� which does not distingui
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Choudhary, Siddhant, Ross Underhill, and Thomas Krause. PR652-203801-R05 The Lab study Effect of Earth�s Field and Line Pressure on Magnetization of Pipeline. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000073.

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Large standoff magnetometry is an emerging non-destructive magnetic test method, which is remote, passive, and non-contact. It is based on the inverse magnetostrictive effect and, therefore, has potential for detection of magnetic anomalies produced by elevated stresses in steel pipelines and ferromagnetic structures. Changes in the local pipeline stress state may arise due to corrosion, cracking, mechanical damage, ground movement (geohazards), or external loading. Laboratory measurements were performed on macroscopic steel samples in the elastic stress regime to investigate the potential for
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Denys, R. M. L51712 Fracture Behavior of Large-Diameter Girth Welds - Effect of Weld Metal Yield Strength Part II. Pipeline Research Council International, Inc. (PRCI), 1994. http://dx.doi.org/10.55274/r0010121.

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Fitness for purpose girth defect assessments assume the presence of a single defect. This assumption is not always fulfilled. Welds may contain many small defects. These defects, when considered individually and without interaction, are generally innocuous. However, this may be a false conclusion as to the true strength or deformation capacity of the weld because neighbouring imperfections or defects may interact and may be more severe than each individual imperfection. When non-destructive examinations reveal multiple defects, a defect recategorisation procedure has to be applied to determine
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Clapham. L52206 3D Details of Defect-Induced MFL and Stress in Pipelines. Pipeline Research Council International, Inc. (PRCI), 2002. http://dx.doi.org/10.55274/r0011358.

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The following report represents a continuation of our ongoing efforts to understand and quantify the effect of stress on MFL signals from oil and gas transmission line inspection tools. Earlier GRI funding has enabled us to develop an unprecedented understanding of stress effects on magnetic behaviour in pipeline steels, and this understanding is now further enhanced and applied to specific problems such as MFL signals from interacting defects and also MFL signals produced from mechanical damage. This report summarizes the result of the 2002 studies. These studies focused on 3 main areas: MFL
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Casasent, Dave, and Craig Watson. Correlation filters for elastic - distorted live-scan fingerprint recognition. National Institute of Standards and Technology, 2003. http://dx.doi.org/10.6028/nist.ir.6990.

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