Academic literature on the topic 'Planar Shear'

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Journal articles on the topic "Planar Shear"

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Wiyono, Daud Rahmat, Roi Milyardi, Yosafat Aji Pranata, and Anang Kristianto. "Comparison reinforcement design shear wall modelling planar and assembly in elevator shaft." IOP Conference Series: Earth and Environmental Science 907, no. 1 (2021): 012004. http://dx.doi.org/10.1088/1755-1315/907/1/012004.

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Abstract Shear walls modelling as planar or assembly have different assumption in behaviour that will give different responses in forces. Shear wall planar modelling as individual walls which each wall was modelled as a vertical beam. Shear Wall assembly modelling as a combined unit to be represented by one beam element. The application of shear wall assembly is placed in elevator shafts in buildings or stairwell. [1]. In ETABS program, there are two types modelling shear wall are planar walls and wall assemblies. The analysis is based on three types of design section that are Simplified Compr
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Li, Bin, Xiangyang Wang, Yin Wang, et al. "The Shear Behavior of the Curved Interface in Polyurethane-Concrete Composite Structures." Applied Sciences 14, no. 23 (2024): 10915. http://dx.doi.org/10.3390/app142310915.

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Polyurethane grouting trenchless technology has been widely applied to the rehabilitation of concealed defects in engineering structures. The interfacial properties between polyurethane and engineering structures are key factors determining the stability of the composite structure. In practical applications, the interface shapes of different engineering structures vary significantly, and the influence of the interface shape on interfacial properties should not be overlooked. This study focuses on engineering structures with curved interfaces, such as pile foundations, pipelines, and tunnels. D
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Zhang, Hanlei, Hongchao Kou, Xiaolei Li, Bin Tang та Jinshan Li. "An Atomic Study of Substructures Formed by Shear Transformation in Castγ-TiAl". Advances in Materials Science and Engineering 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/675963.

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Substructures and microsegregation ofγ/γlaths are analyzed with HRTEM and HAADF-STEM. Results show that the substructures are generated during evolution of shear transformation on the(111-)plane ofγlath. At the beginning, shear transformation evolves in a singleγlath, and a superstructure intrinsic stacking fault (SISF) forms in theγlath. After the formation of the SISF, the shear transformation may evolve in two different ways. If the shear transformation evolves into neighboringγlaths, the SISF also penetrates into neighboringγlaths and a ribbon of SISFs forms. If shear transformation contin
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Birshtein, Tatyana M., and Ekatarina B. Zhulina. "Shear of a planar polyelectrolyte brush." Die Makromolekulare Chemie, Theory and Simulations 1, no. 4 (1992): 193–204. http://dx.doi.org/10.1002/mats.1992.040010401.

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Hooshyar, Soroush, and Natalie Germann. "Shear Banding in 4:1 Planar Contraction." Polymers 11, no. 3 (2019): 417. http://dx.doi.org/10.3390/polym11030417.

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We study shear banding in a planar 4:1 contraction flow using our recently developed two-fluid model for semidilute entangled polymer solutions derived from the generalized bracket approach of nonequilibrium thermodynamics. In our model, the differential velocity between the constituents of the solution allows for coupling between the viscoelastic stress and the polymer concentration. Stress-induced migration is assumed to be the triggering mechanism of shear banding. To solve the benchmark problem, we used the OpenFOAM software package with the viscoelastic solver RheoTool v.2.0. The convecti
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Saurer, Erich, and Alexander M. Puzrin. "Validation of the energy-balance approach to curve-shaped shear-band propagation in soil." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 467, no. 2127 (2010): 627–52. http://dx.doi.org/10.1098/rspa.2010.0285.

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Progressive and catastrophic failure in soils has been commonly associated with the phenomenon of shear-band propagation. This is a challenging topic, both in terms of understanding and simulation. Most existing studies have focused on the propagation of planar shear bands. This paper is an attempt to analytically model the rate of progressive shear-band propagation in shear-blade tests, especially designed to produce curved shear bands in dense silty sand. The simplified analytical solution is based on fracture mechanics energy balance and on limiting equilibrium approaches. The analytical so
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Kirikov, S. V., V. N. Perevezentsev, and A. S. Pupynin. "Model of accommodation of planar shear mesodefect." Deformation and Fracture of Materials, no. 5 (2022): 2–10. http://dx.doi.org/10.31044/1814-4632-2022-5-2-10.

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A model of accommodative plastic deformation and relaxation of elastic energy of planar shear mesodefects at grain boundaries resulting from inhomogeneous plastic deformation of polycrystals is proposed. It is shown that this process can be carried out by sequential splitting off from the mesodefect and leaving dislocation walls into the grain body. Keywords: grain boundary, mesodefect, accommodation plastic deformation, slip band
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Craig, I. J. D., and A. N. McClymont. "Shear Wave Dissipation in Planar MagneticX‐Points." Astrophysical Journal 481, no. 2 (1997): 996–1003. http://dx.doi.org/10.1086/304082.

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Gibson, J. F., and E. Brand. "Spanwise-localized solutions of planar shear flows." Journal of Fluid Mechanics 745 (March 17, 2014): 25–61. http://dx.doi.org/10.1017/jfm.2014.89.

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AbstractWe present several new spanwise-localized equilibrium and travelling-wave solutions of plane Couette and channel flows. The solutions exhibit concentrated regions of vorticity that are centred over low-speed streaks and flanked on either side by high-speed streaks. For several travelling-wave solutions of channel flow, the vortex structures are concentrated near the walls and form particularly isolated and elemental versions of coherent structures in the near-wall region of shear flows. One travelling wave appears to be the invariant solution corresponding to a near-wall coherent struc
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Foss, J. F. "Review vorticity considerations and planar shear layers." Experimental Thermal and Fluid Science 8, no. 3 (1994): 260–70. http://dx.doi.org/10.1016/0894-1777(94)90054-x.

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Dissertations / Theses on the topic "Planar Shear"

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Lucas, Davidson Glenn. "High Frequency Direct Excitation of Small-Scale Motions in Planar Shear Flows." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/10579.

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The effect of direct, small-scale excitation on the evolution of a plane shear layer which forms at the edge of a backward facing step is investigated experimentally using high resolution particle image velocimetry and hot-wire anemometry. Actuation is effected at frequencies that are over an order of magnitude higher than the characteristic (or natural) formation frequency of the layer by a spanwise array of piezoelectrically-driven synthetic jet actuators that are placed near the edge of the step. The actuation has significant effects on the evolution of both large- and small-scale motions
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Frascoli, Federico. "Chaotic and rheological properties of liquids under planar shear and elongational flows." Swinburne Research Bank, 2007. http://hdl.handle.net/1959.3/22416.

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Thesis (PhD) - Swinburne University of Technology, Centre for Molecular Simulation - 2007.<br>Dissertation submitted in fulfilment of requirements for the degree Doctor of Philosophy, Centre for Molecular Simulation, Faculty of Information and Communication Technologies, Swinburne University of Technology, 2007. Typescript. Includes bibliographical references (p. 151-161).
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Rara, Angela Dominique Sarmiento. "Rolling Shear Strength and Modulus for Various Southeastern US Wood Species using the Two-Plate Shear Test." Thesis, Virginia Tech, 2021. http://hdl.handle.net/10919/104017.

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Cross-Laminated Timber (CLT) is an engineered wood product made by laminating dimensional or structural composite lumber in alternating orthogonal layers. Compared to Canada and Europe, CLT is a novel product to the US. With the additions included in the 2021 International Building Code (IBC), CLT material properties, especially rolling shear, would need to be explored. The increasing demand for softwood lumber, along with the increase of demand of CLT panel production, could place a burden and surpass the domestic softwood supply. Rolling shear is a phenomenon that occurs when the wood fibers
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Papazoglou, Sebastian. "Elucidation of isotropic and anisotropic shear elasticity of in vivo soft tissue using planar magnetic resonance elastography." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2010. http://dx.doi.org/10.18452/16136.

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Die Magnetresonanzelastographie (MRE) stellt ein nichtinvasives Verfahren dar, welches die Bestimmung der in vivo Scherelastizität weicher Gewebe ermöglicht. Im Rahmen diese Arbeit wurden Methoden zur Bestimmung isotroper und anisotroper Scherelastizitäten anhand von MRE Wellenbildern entwickelt und evaluiert. Alle in dieser Arbeit vorgestellten Methoden basieren auf planarer MRE, d.h. auf der Aufnahme einer einzelnen Auslenkungskomponente innerhalb der Bildschicht. Dadurch wird die MRE erheblich beschleunigt. Allerdings stellen sich dadurch auch besondere Anforderungen an die Datenauswertun
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Hyensjö, Marko. "Fibre Orientation Modelling Applied to Contracting Flows Related to Papermaking." Doctoral thesis, KTH, Mekanik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4762.

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The main goal of this work was to develop numerical models for studying the behaviour of fibres in an accelerated flow. This is of special interest for e.g. papermaking. The early stage of the paper manufacturing process determines most of the final properties of a paper sheet. The complexity of studying the flow of fibre suspensions both experimentally and numerically emphasises a need for new ideas and developments. By means of solving the evolution of a convective-dispersion equation, i.e. the Fokker-Planck equation, a fully 3D approach with respect to the position and the two fibre angles,
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Howell, Jaron A. "Distribution of Particle Image Velocimetry (PIV) Errors in a Planar Jet." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/7004.

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Particle Image Velocimetry (PIV) is an optical fluid measurement technique used to obtain velocity measurements. Two PIV systems were used to capture data simultaneously and measurement error for the MS PIV system is calculated. An investigation of error distribution is performed to determine when uncertainty estimations fail for the CS PIV-UQ method. Investigation of when results from multi pass PIV processing are achieve were performed so that reliable uncertainty estimations are produced with the CS method. An investigation was also performed which determined that error distributions in PIV
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Vezirov, Tarlan Azad [Verfasser], Sabine [Akademischer Betreuer] Klapp, and Michael [Akademischer Betreuer] Zaks. "Non-equilibrium dynamics and feedback control of strongly confined colloidal suspensions in a planar shear flow / Tarlan Azad Vezirov. Gutachter: Sabine Klapp ; Michael Zaks. Betreuer: Sabine Klapp." Berlin : Technische Universität Berlin, 2015. http://d-nb.info/1075807522/34.

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Heczko, Martin. "Počítačové modelování hranic dvojčatění ve slitinách s tvarovou pamětí." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-416633.

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This Master‘s thesis is focused on theoretical study of twinning in magnetic shape memory alloys based on Ni2MnGa using ab initio calculations of electronic structure within the projector augmented wave method. In particular, the effect of increasing concentration of manganese at the expense of gallium was studied on total energy and stress profiles along different deformation paths in the (10-1)[101] shear system of non-modulated martensite. Further, this work deals with the effect of the concentration of manganese on the energy of planar fault caused by presence of partial dislocation due to
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Petersen, Spencer Ray. "A System for Foot Joint Kinetics – Integrating Plantar Pressure/Shear with Multisegment Foot Modeling." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8456.

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Introduction: Instrumented gait analysis and inverse dynamics are commonly used in research and clinical practice to calculate lower extremity joint kinetics, such as power and work. However, multisegment foot (MSF) model kinetics have been limited by ground reaction force (GRF) measurements. New technology enables simultaneous capture of plantar pressure and shear stress distributions but has not yet been used with motion capture. Integrating MSF models and pressure/shear measurements will enhance the analysis of foot joint kinetics. The purpose of this study was to develop methodology to int
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Hosein, Riad. "An investigation of in-shoe plantar pressures and shear stresses with particular reference to diabetic peripheral neuropathy." Thesis, King's College London (University of London), 1996. https://kclpure.kcl.ac.uk/portal/en/theses/an-investigation-of-inshoe-plantar-pressures-and-shear-stresses-with-particular-reference-to-diabetic-peripheral-neuropathy(b0ebff48-2d9e-4fb7-8730-4ae42704ad0b).html.

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Books on the topic "Planar Shear"

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Hanhijarvi, Antti. Computational optimisation of test specimen for planar shear strength tests of wood based panels. VTT, Technical Research Centre of Finland, 1998.

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A, Goldman, Farrar C. R, U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering., and Los Alamos National Laboratory, eds. Shear wall ultimate drift limits. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1994.

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A, Goldman, Farrar C. R, U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering., and Los Alamos National Laboratory, eds. Shear wall ultimate drift limits. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1994.

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Oesterle, R. G. Design provisions for tangential shear in containment walls. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1988.

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Farrar, C. R. Stiffness of low-aspect-ratio, reinforced concrete shear walls. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1993.

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Farrar, C. R. Damping in low-aspect-ratio, reinforced concrete shear walls. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1993.

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E, Baker W., U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering., and Los Alamos National Laboratory, eds. Stiffness of low-aspect-ratio, reinforced concrete shear walls. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1993.

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Farrar, C. R. Stiffness of low-aspect-ratio, reinforced concrete shear walls. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1993.

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Farrar, C. R. Damping in low-aspect-ratio, reinforced concrete shear walls. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1993.

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Farrar, C. R. Damping in low-aspect-ratio, reinforced concrete shear walls. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1993.

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Book chapters on the topic "Planar Shear"

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Garzó, Vicente, and Andrés Santos. "Planar Couette Flow in a Mixture." In Kinetic Theory of Gases in Shear Flows. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-0291-1_6.

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Garzó, Vicente, and Andrés Santos. "Planar Couette Flow in a Single Gas." In Kinetic Theory of Gases in Shear Flows. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-0291-1_5.

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Kosevich, Arnold M., Eugenii S. Syrkin, and andre V.Tutov. "Shear Surface Acoustic Waves Localized Near a Planar Defect." In Acoustical Imaging. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4419-8588-0_81.

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Rauch, E. F., and L. Dupuy. "Textural Evolution during Equal Channel Angular Extrusion versus Planar Simple Shear." In Nanomaterials by Severe Plastic Deformation. Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527602461.ch5b.

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Vonk, Niels H., Jan Niederwestberg, Ron W. A. Oorschot, and Jan de Jong. "Upcycling of Single-Use Pallet Wood to Cross-Laminated Timber." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_63.

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AbstractTo reduce the emission of greenhouse gases within the building industry, effort must be put into reducing waste and converting reclaimed materials towards reuse. Within the Netherlands, discarded wood is incinerated for energy generation, releasing the carbon that has been captured during growth. To extend the lifetime and the carbon storage duration and, consequently, improve the environmental performance of “wood waste,” re-use is desired. Hence, the production and structural performance of cross-laminated timber (CLT) made of current wood waste were explored in this study. Single-us
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Butcher, Clarence, Olivier Buzzi, Anna Giacomini, Robert Bertuzzi, and Vaughan Griffiths. "Influence of Rock Strength Variability on the Stability of Potential Planar and Wedge Discontinuity Shear Failures." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-8217-8_16.

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Huntley, David, Drew Rotheram-Clarke, Kelvin Sattler, and David Elwood. "Surficial Geology and Geomorphology of the North Slide, Thompson River Valley, British Columbia, Canada: Application of Fundamental Geoscience Information to Interpretations of Geospatial Monitoring Results." In Progress in Landslide Research and Technology. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-44296-4_10.

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AbstractOur study focuses on a slow-moving landslide in the Thompson River valley, south-central British Columbia, Canada, that has posed a hazard to the national railway transportation corridor since 1880. Real-time kinematic global navigation satellite systems, unoccupied aerial vehicles, and satellite synthetic aperture radar interferometry time-series show significant displacement encroaching on railway infrastructure. In this paper, geospatial relationships between landslide distribution and specific terrain features, and the environmental conditions triggering instability are determined
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Delannay, Laurent, Maxime A. Melchior, Anand K. Kanjarla, Paul Van Houtte, and Javier W. Signorelli. "CPFEM Investigation of the Effect of Grain Shape on the Planar Anisotropy and the Shear Banding of Textured Metal Sheets." In Ceramic Transactions Series. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470444214.ch79.

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Zolnikov, Konstantin P., Dmitrij S. Kryzhevich, and Aleksandr V. Korchuganov. "Regularities of Structural Rearrangements in Single- and Bicrystals Near the Contact Zone." In Springer Tracts in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_14.

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AbstractThe chapter is devoted to the analysis of the features of local structural rearrangementsin nanostructured materialsunder shear loadingand nanoindentation. The study was carried out using molecular dynamics-based computer simulation. In particular, we investigated the features of symmetric tilt grain boundary migration in bcc and fcc metals under shear loading. The main emphasis was on identifying atomic mechanisms responsible for the migration of symmetric tilt grain boundaries. We revealed that grain boundaries of this type can move with abnormally high velocities up to several hundr
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Öchsner, Andreas, and Resam Makvandi. "Shear Deformable Plate Elements." In Plane Finite Elements for Two-Dimensional Problems. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-89550-1_5.

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Conference papers on the topic "Planar Shear"

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Mortimer, Bruce J. P., Gary A. Zets, Brian J. Altenbernd, and Tharaka Goonetilleke. "Development of a planar shear sensor." In 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2016. http://dx.doi.org/10.1109/embc.2016.7591125.

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LAI, H., and M. RAJU. "CFD validation of subsonic turbulent planar shear layers." In 29th Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics, 1993. http://dx.doi.org/10.2514/6.1993-1773.

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Petel, Oren E., Andrew J. Higgins, Mark Elert, et al. "Planar Impact Study of a Shear Thickening Fluid." In SHOCK COMPRESSION OF CONDENSED MATTER 2009: Proceedings of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2009. http://dx.doi.org/10.1063/1.3295189.

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Hickey, Jean-Pierre, Fazle Hussain, and Xiaohua Wu. "COHERENT STRUCTURES IN THE TRANSITION OF COMPRESSIBLE PLANAR WAKES." In Seventh International Symposium on Turbulence and Shear Flow Phenomena. Begellhouse, 2011. http://dx.doi.org/10.1615/tsfp7.1630.

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Martinelli, Fulvio, Maurizio Quadrio, and Peter J. Schmid. "STABILITY OF PLANAR SHEAR FLOW IN THE PRESENCE OF ELECTROCONVECTION." In Seventh International Symposium on Turbulence and Shear Flow Phenomena. Begellhouse, 2011. http://dx.doi.org/10.1615/tsfp7.330.

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Meyer, Terence, J. Dutton, and Robert Lucht. "Turbulent molecular mixing in fully-developed planar shear flows." In 39th Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics, 2001. http://dx.doi.org/10.2514/6.2001-287.

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Urban, William, Shigeya Watanabe, and M. Mungal. "Velocity field of the planar shear layer - Compressibility effects." In 36th AIAA Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-697.

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Cizelj, Leon, and Igor Simonovski. "Simulated Planar Polycrystalls With Planar and Spatial Random Lattice Orientations." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59533.

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A planar multiscale model of a polycrystalline aggregate was employed in this paper to arrive at new and interesting results. The model accounted for the most important mesoscopic features including explicitly modeled random grain structure with crystal grains represented as randomly oriented monocrystals obeying anisotropic elasticity and crystal plasticity (Schmid resolved shear stress) constitutive models. The results presented include the illustrative description of simulated mesoscopic strain fields, including the development of shear bands, and a sensitivity analysis of the equivalent ma
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Kalghatgi, Prasad, Sumanta Acharya, Paul Strykowski, and Matt Anderson. "Characteristics of Planar Counter Current Shear Flow in Dump Geometry." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63312.

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Countercurrent shear can be used in engineering applications to control flow structure and mixing. In the present paper a planar countercurrent shear flow is studied numerically using Large Eddy Simulation. Mean flow characteristics at a primary-jet Reynolds number of 14700 are studied for three values of a key parameter, the secondary to primary jet mass flow ratio (m˙s/m˙p), chosen to match reported measurements. The predicted flow results of time averaged flow field, Strouhal number and turbulence characteristics are compared with the experimentally available data. A change in instability m
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Calhoon, William. "HEAT RELEASE AND COMPRESSIBILITY EFFECTS ON PLANAR SHEAR LAYER DEVELOPMENT." In 41st Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-1273.

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Reports on the topic "Planar Shear"

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Lovell, Alexis, Garrett Hoch, Christopher Donnelly, Jordan Hodge, Robert Haehnel, and Emily Asenath-Smith. Shear and tensile delamination of ice from surfaces : The Ice Adhesion Peel Test (IAPT). Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41781.

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For decades, researchers have sought to understand the adhesion of ice to surfaces so that low-cost ice mitigation strategies can be developed. Presently, the field of ice adhesion is still without formal standards for performing ice adhesion tests. The U.S. Army Corps Engineers’ Research and Development Center’s Cold Regions Research and Engineering Laboratory (ERDC-CRREL) has a longstanding history as an independent third party for ice adhesion testing services. Most notably, CRREL’s Zero-Degree Cone Test (ZDCT) has been an industry favorite for more than 30 years. Despite its wide acceptanc
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Lozev and Spencer. L52023 Inspection of Welds in Thin-Wall Pipe Using Mechanized Ultrasonic Inspection. Pipeline Research Council International, Inc. (PRCI), 2003. http://dx.doi.org/10.55274/r0011117.

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Generally, the inspection of welds in pipes with a wall thickness less than 6 mm is performed using radiography.� Because radiography is very sensitive to the orientation of planar weld defects, these types of defects often go undetected.� In contrast, ultrasonic testing (UT) offers a better solution for detecting and sizing of these defects. In this project a method to inspect welds in thin-walled pipe less than 6-mm thick using mechanized ultrasonic weld inspection was developed.�The project investigated the application of time-based high-frequency (up to 15 MHz) single/multi-probe technique
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Busby, Ryan, Wade Wall, and Lauren Bosche. Remote detection of soil shear strength in Arctic and subarctic environments. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49815.

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Soil shear strength affects many military activities and is affected significantly by plant roots. Unfortunately, root contribution to soil shear strength is difficult to measure and predict. In the boreal forest ecosystem, soil and hydrologic dynamics make soil shear strength less predictable, while the need for prediction grows due to the rapid changes occurring in this environment. Our current study objectives are to (1) observe possible aboveground vegetation indicators of soil shear strength variation across soils and other environmental heterogeneity, (2) observe possible image-based ind
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Ziegler, Nancy, Nicholas Webb, John Gillies, et al. Plant phenology drives seasonal changes in shear stress partitioning in a semi-arid rangeland. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47680.

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Accurate representation of surface roughness in predictive models of aeolian sediment transport and dust emission is required for model accuracy. While past studies have examined roughness effects on drag partitioning, the spatial and temporal variability of surface shear velocity and the shear stress ratio remain poorly described. Here, we use a four-month dataset of total shear velocity (u*) and soil surface shear velocity (us*) measurements to examine the spatiotemporal variability of the shear stress ratio (R) before, during, and after vegetation green-up at a honey mesquite (Prosopis glan
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Conley, A. J. Centrifugal destabilization and restabilization of plane shear flows. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/522751.

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Glezer, Ari, and Frank H. Champagne. Real-Time Adaptive Control of Mixing in a Plane Shear Layer. Defense Technical Information Center, 1993. http://dx.doi.org/10.21236/ada285541.

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Speranza, Vito, and Roberto Pantani. Investigation of isotactic polypropylene crystallization in processing conditions. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.msd.1.

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Flow and pressure applied during polymer transformation processes of semi-crystalline polymers can significantly affect the kinetics of crystallization, final morphology, and properties of the part. In commonly used polymer transformation processes, the molten polymer is subjected to high pressure and thermal stress, as well as intense shear and elongational flow fields. The effect of pressure on crystallization kinetics is significant from both scientific and technological perspectives since the polymer solidifies under high pressure in important industrial processing techniques. On the other
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Brodsky, N. S. Hydrostatic and shear consolidation tests with permeability measurements on Waste Isolation Pilot Plant crushed salt. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10142397.

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Grant, Charles. Diaphragm Walls as Permanent Basement Walls in Regions of High Seismicity. Deep Foundations Institute, 2018. http://dx.doi.org/10.37308/cpf-2012-slwl-1.

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Reinforced concrete structural slurry walls have been used in the United States since the early 1960s. The typical practice, and one that makes the economics of slurry walls particularly attractive, is to design the walls to act as both temporary excavation support and permanent basement walls. They often serve as multi-story basements and below grade parking for buildings, for tunnels, subway stations, and other buried structures. One of the early applications was for a foundation for a subway station in San Francisco, but for the most part they have been used more extensively in regions of l
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Klamerus, E. W., M. P. Bohn, J. J. Johnson, A. P. Asfura, and D. J. Doyle. Assessment of the impact of degraded shear wall stiffnesses on seismic plant risk and seismic design loads. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10134778.

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