Bibliografías temáticas / Shear deformation

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Literatura académica sobre el tema "Shear deformation"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 6 de septiembre de 2023

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Artículos de revistas sobre el tema "Shear deformation"

1

Pan, Shi Dong, Zhen Gong Zhou y Lin Zhi Wu. "Longitudinal Shear Modulus of Honeycomb Cores Based on Shear-Compressive Model". Advanced Materials Research 773 (septiembre de 2013): 555–60. http://dx.doi.org/10.4028/www.scientific.net/amr.773.555.

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The deformation mechanism of unit cell wall is investigated by use of FEM, and the numerical simulation results show that the predominant deformations consist of shear deformation and compressive deformation. One new model based the shear deformation and the compressive deformation is put forward to investigate the longitudinal shear modulus of honeycomb cores. Owing to taking skin effect into consideration in our model, it is found that the equivalent shear modulus depends on not only the material properties and configuration parameters of cores, but also the material properties and configuration parameters of facesheets.
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Bakushev, S. V. "DIFFERENTIAL EQUATIONS OF EQUILIBRIUM OF ELASTIC PERFECTLY PLASTIC CONTINUOUS MEDIUM FOR PLANE DEFORMATION IN CYLINDRICAL COORDINATES AT BILINEAR APPROXIMATION OF THE CLOSING EQUATIONS". STRUCTURAL MECHANICS AND ANALYSIS OF CONSTRUCTIONS, n.º 1 (25 de febrero de 2021): 18–33. http://dx.doi.org/10.37538/0039-2383.2021.1.18.33.

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Abstract. The article considers the construction of differential equations of equilibrium in displacements for plane deformation of elastic perfectly plastic regarding shear deformations continuous medium and nonlinearly elastic continuous medium with respect to volumetric deformations with bilinear approximation of the closing equations, both regarding and regardless geometrical nonlinearity in a cylindrical coordinate system. Nonlinear diagrams of volumetric and shear deformation are approximated by bilinear functions. Proceeding from the assumption of independence, generally speaking, of volume and shear deformation from each other, five main cases of physical dependencies are considered, depending on the relative position of the break points of bilinear diagrams of volume and shear deformation. The construction of bilinear physical dependencies is based on the calculation of the secant moduli of volumetric and shear deformation. In this case, in the first section of the diagrams, the secant modulus of both volumetric and shear deformation is constant, while in the second section of the diagrams, the secant modulus of volumetric deformation is a function of volumetric deformation, and the secant shear modulus is a function of the intensity of shear deformations. Substituting the corresponding bilinear physical relations into the differential equations of equilibrium of a continuous medium, written both regardless and regarding geometrical nonlinearity, the resolving differential equations of equilibrium in displacements for plane deformation in a cylindrical coordinate system are received. The received differential equations of equilibrium in displacements in cylindrical coordinates can be applied in determining the stress-strain state of elastic perfectly plastic with respect to shear deformations continuous medium and nonlinearly elastic with respect to volumetric deformations continuous medium under conditions of plane deformation, both regarding and regardless geometrical nonlinearity, physical relations for which are approximated by bilinear functions.
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Adewole, K. K. y Oladejo O. Joy. "Finite-element block shear failure deformation-to-fracture failure analysis". Canadian Journal of Civil Engineering 47, n.º 4 (abril de 2020): 418–27. http://dx.doi.org/10.1139/cjce-2018-0498.

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This paper presents the finite-element (FE) block shear failure (BSF) deformation-to-fracture analysis. FE analysis reveals the following: BSF begins with bolt – bolt hole contact point compressive yielding and not the tensile or shear yielding reported in the literature. BSF does not result from the combination of the gauge tensile plane tensile deformation and the shear plane pure shear deformation alone as reported in the literature and codes. BSF results from compressive deformation of the bolt – bolt hole contact points, tensile deformation of bolt hole portions not in contact with the bolts, gauge tensile plane and edge distance tensile plane deformations in combination with pure shear deformation and a combined shear and tensile bending deformation of the portions of the shear planes near to and remote from the bolt – bolt hole contact points, respectively. This study provides a better understanding of the BSF mechanism, BSF total load-bearing areas, and various resistances to deformation that contribute to the block shear capacity.
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Bakushev, Sergey V. "Differential equations of continuum equilibrium for plane deformation in cartesian axials at biquadratic approximation of closing equations". Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika, n.º 76 (2022): 70–86. http://dx.doi.org/10.17223/19988621/76/6.

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The subject under analysis is construction of differential equations of equilibrium in displacements for plane deformation of physically and geometrically nonlinear continuous media when the closing equations are biquadratically approximated in a Cartesian rectangular coordinate system. Proceeding from the assumption that, generally speaking, the diagrams of volume and shear deformation are independent from each other, six main cases of physical dependences are considered, depending on the relative position of the break points of biquadratic diagrams of volume and shear deformation. Construction of physical dependencies is based on the calculation of the secant module of volume and shear deformation. When approximating the graphs of volume and shear deformation diagrams using two segments of parabolas, the secant shear modulus in the first segment is a linear function of the intensity of shear deformations; the secant modulus of volume expansion-contraction is a linear function of the first invariant of the strain tensor. In the second section of the diagrams of both volume and shear deformation, the secant shear modulus is a fractional (rational) function of the intensity of shear deformations; the secant modulus of volume expansion-contraction is a fractional (rational) function of the first invariant of the strain tensor. The obtained differential equations of equilibrium in displacements can be applied in determining the stress-strain state of physically and geometrically nonlinear continuous media under plane deformation the closing equations of physical relations for which are approximated by biquadratic functions.
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Zhou, Guang Qiang, Qing Yang Liu y Xin Zhang. "Study on Shear-Shear Deformation Hysteresis Relationship of Reinforced Concrete Shear Walls". Applied Mechanics and Materials 638-640 (septiembre de 2014): 260–64. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.260.

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In order to study and improve shear-shear deformation hysteresis model of reinforced concrete shear walls, experiment of reinforced concrete shear walls was conducted. Based on experimental data, shear-shear deformation relationship is deduced and shear-shear deformation hysteresis curves are obtained. The existing shear-shear deformation hysteresis models of reinforced concrete walls are discussed and improved, and the calculated shear-shear deformation hysteresis curves with the modified model fit well with experimental results.
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Cruden, D. M., S. Thomson y P. C. Tsui. "The geotechnical characteristics of an ice-thrust mudstone, Wabamun Lake area, Alberta". Canadian Geotechnical Journal 26, n.º 2 (1 de mayo de 1989): 227–34. http://dx.doi.org/10.1139/t89-032.

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This first detailed report of the geotechnical characteristics of ice-thrust soft rock examines Upper Cretaceous, once heavily overconsolidated mudstones in the Highvale coal mine, Alberta. The fissured and brecciated sample from an ice-thrust shear zone in the mine behaves as a lightly overconsolidated sediment in laboratory tests and shows a non-brittle mode of shear deformation with a maximum shear strength close to residual. This behaviour is due to weathering and glaciotectonic deformation, which have jointed, sheared, and remoulded the mudstone, thus eliminating the fabric formed by overconsolidation.In the ice-thrust mudstone, platy clay minerals dominate and have been grouped into aggregations or shear-remoulded matrices. The strength of the brecciated portion of the mudstone ranges from peak to residual. The strength along principal displacement shears is at or close to residual, as back analysis of a slope failure shows. Key words: ice-thrust shear zone, glaciotectonic deformation, consolidation, nonbrittle deformation, principal displacement shears, shear strength.
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Zhou, Maoding, Yuanhai Zhang, Pengzhen Lin, Wei Ji y Hongmeng Huang. "Study of Practical Analysis Method for Shear Warping Deformationof Composite Box Girder with Corrugated Steel Webs". Materials 16, n.º 5 (23 de febrero de 2023): 1845. http://dx.doi.org/10.3390/ma16051845.

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Shear warping deformation is an important part of the flexural and constrained torsion analysis of composite box girder with corrugated steel webs (CBG-CSWs), which is also the main reason for the complex force analysis of box girders. A new practical theory for analyzing shear warping deformations of CBG-CSWs is presented. By introducing shear warping deflection and corresponding internal forces, the flexural deformation of CBG-CSWs is decoupled to the Euler-Bernoulli beam (EBB) flexural deformation and the shear warping deflection. On this basis, a simplified method for solving shear warping deformation using the EBB theory is proposed. According to the similarity of the governing differential equations of constrained torsion and shear warping deflection, a convenient analysis method for the constrained torsion of CBG-CSWs is derived. Based on the decoupled deformation states, a beam segment element analytical model applicable to EBB flexural deformation, shear warping deflection, and constrained torsion deformation is proposed. A variable section beam segment analysis program considering the variation of section parameters is developed for CBG-CSWs. Numerical examples of constant and variable section continuous CBG-CSWs show that the stress and deformation results obtained by the proposed method are in good agreement with the 3D finite element results, verifying the effectiveness by the proposed method. Additionally, the shear warping deformation has a great influence on the cross-sections near the concentrated load and middle supports. This impact along the beam axis decays exponentially, and the decay rate is related to the shear warping coefficient of the cross-section.
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Akhazhanov, S. B., Ye B. Utepov y T. B. Akhazhanov. "INVESTIGATION OF PLANE BENDING OF A ROD WITH ACCOUNT FOR TRANSVERSAL SHEAR DEFORMATIONS". Bulletin of Kazakh Leading Academy of Architecture and Construction 86, n.º 4 (15 de diciembre de 2022): 109–18. http://dx.doi.org/10.51488/1680-080x/2022.4-11.

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The article presents an improved beam finite element, taking into account transverse shear deformations. The transverse shear deformation is taken into account using a parameter. The main dependence and the stiffness matrix of the finite element of the beam are found taking into account the deformation of the transverse shear. The calculation results are compared with analytical and numerical methods.
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Bakushev, Sergey V. "Differential equations of equilibrium of continuous medium for plane one-dimensional deformation at closing equations approximation by biquadratic functions". Structural Mechanics of Engineering Constructions and Buildings 16, n.º 6 (15 de diciembre de 2020): 481–92. http://dx.doi.org/10.22363/1815-5235-2020-16-6-481-492.

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Problems of differential equations construction of equilibrium of a geometrically and physically nonlinear continuous medium under conditions of one-dimensional plane deformation are considered, when the diagrams of volumetric and shear deformation are approximated by quadratic functions. The construction of physical dependencies is based on calculating the secant moduli of volumetric and shear deformation. When approximating the graphs of the volumetric and shear deformation diagrams using two segments of parabolas, the secant shear modulus in the first segment is a linear function of the intensity of shear deformations, the secant modulus of volumetric expansion - contraction is a linear function of the first invariant of the strain tensor. In the second section of the diagrams of both volumetric and shear deformation, the secant shear modulus is a fractional (rational) function of the shear strain intensity, the secant modulus of volumetric expansion - compression is a fractional (rational) function of the first invariant of the strain tensor. Based on the assumption of independence, generally speaking, from each other of the volumetric and shear deformation diagrams, six main cases of physical dependences are considered, depending on the relative position of the break points of the graphs of the diagrams volumetric and shear deformation, each approximated by two parabolas. The differential equations of equilibrium in displacements constructed in the article can be applied in determining the stressed and deformed state of a continuous medium under conditions of one-dimensional plane deformation, the closing equations of physical relations for which, constructed on the basis of experimental data, are approximated by biquadratic functions.
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Elmenshawi, Abdelsamie, Tom Brown y Robert Loov. "Behaviour of flexural plastic hinges under high seismic shear with consideration of concrete strength". Canadian Journal of Civil Engineering 36, n.º 11 (noviembre de 2009): 1711–21. http://dx.doi.org/10.1139/l09-099.

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A successful seismic design for a reinforced concrete element is one that can postpone the shear failure until the required ductility and deformation capacity are obtained. After flexural yielding, shear deformations are the main causes for strength and stiffness degradation. An experimental program was carried out to explore the shear behaviour of flexural plastic hinges of elements constructed with different concrete strengths (30–175 MPa) tested under load reversals. The specimen represented a beam–column assembly and was designed to have the inelastic deformation at the beam end only. The research investigated the effect of shear deformations on the hysteretic behaviour and stiffness deterioration, cyclic shear demands, shear resisting mechanisms, and the effect of concrete strength on the hinge shear strength. It was found that the effect of concrete strength on beam shear strength under cyclic loading differs from that under unidirectional loading.
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Tesis sobre el tema "Shear deformation"

1

Attfield, Peter Richard. "Mechanisms of shear zone deformation". Thesis, Keele University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.253688.

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Brabham, Kori Vasser. "THE EFFECTS OF SHEAR DEFORMATION ON CHONDROGENESIS". MSSTATE, 2004. http://sun.library.msstate.edu/ETD-db/theses/available/etd-06252004-150210/.

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Due to mechanical loading, cartilage experiences distortional change, volumetric change, and fluid flow. Research has shown cells to be responsive to unconfined compression, a load that produces all three conditions. To isolate the factor(s) responsible for chondrogenesis, the first goal of this research was to design and implement a device for the application of shear deformation to cells. Secondly, using this device, Stage 23/24 chick limb bud cells were suspended in 2% alginate and subjected to 20% shear deformation at 1 Hz. for two hours daily for three days. Gene expression, DNA content, sGAG content, and cartilage nodule formation were determined after eight days in culture and compared to results obtained for non-loaded cells. Results indicated that shear deformation at the applied level did not have a significant effect on chondrogenesis in Stage 23/24 chick limb bud cells, suggesting that this cell type is not extremely sensitive to distortional change.
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Qureshi, Farrukh Shahab. "Kinematics of shear deformation of materials under high pressure and shear stress". Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/18841.

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Student, James John. "The Box Ankle and Ocmulgee shear zones of central Georgia: a study of geochemical response to Southern Appalachian deformation events". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09192009-040411/.

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De, Magistris Federica. "Wood fibre deformation in combined shear and compression". Doctoral thesis, KTH, Mekanik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-415.

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Mechanical pulping for producing pulps from softwood suitable for printing grade papers, like news, is a highly energy-intensive process consuming around 2000 kWh/t in electrical energy. Due to increasing energy costs and environmental issues there is a high demand for decreasing this energy consumption. The mechanical treatment of wet wood pieces in a refiner, in the mechanical pulp plant, is a complex mechanical loading. This is a process occurring between rotating discs at high speed and temperatures of 140 °C - 160 °C, where by means of shear and compression forces the fibres are separated and then made flexible, fibrillated and collapsed for good bonding ability. In this process also fines are created giving the optical properties of the paper. In mechanical pulping only a fraction of the applied energy is used for the structural changes of the wood material. Thus fundamental studies of the loading modes of wood under refining conditions and in particular under combined shear and compression loading are desired to gain more information regarding the possibility of affecting the mechanical pulping in an energy efficient way. The possibilities to study the behaviour of wood under a combined shear and compression load were in this thesis investigated using two methods: the Iosipescu shear test and the Arcan shear test. In both apparatus different combinations of shear and compression load were achieved by different rotations of the shear test device itself. Measurements with the Iosipescu device on a medium density fibreboard showed good agreement between experimental results and numerical simulations. Finite element analysis on wood showed, however, that with the use of a homogeneous material in the model the level of strain reached would be ten times smaller than experimentally measured. This fact is probably due to the honeycomb structure of the wood cells that allows for different local deformations that could not be represented by a continuous material model. Thus to study the deformations on the fibre level of wood an experimental equipment that uses smaller samples was needed. With a modified Arcan shear device such deformations under combined shear and compression load and in pure compression were possible showing different deformation patterns. During pure compression the cell walls bend in a characteristic “S” shape, independently of the shape of the fibre cells and their cell wall thickness. Under combined shear and compression, however, mainly the corners of the fibre cells deform giving a “brick” shape to the cells. In a second deformation performed in compression, the fibre cells follow the same deformation pattern as given by the first deformation type whether in compression or in combined shear and compression. The interpretation is that permanent defects in the cells themselves are introduced already in the first load cycle of the wood samples. The energy used under the different loading conditions showed that the first deformation required the largest amount of energy, for all loading conditions. The deformation in compression required larger amounts of energy than the deformation in combined loads. For subsequent deformations less energy was needed for compression if a combined load had preceded it. Due to the fact that less energy is needed to start to deform wood in combined load than under compression load, the application of a combined load as a first cycle may thus be a way to permanently deform fibres using less energy. To investigate the critical parameters determining the permanent deformation of cells, a finite element model of a network of twelve cells was developed. Special care was given to the material properties to study how the variation of the fibril angle in the different layers affects the deformation pattern of the wood fibres under the different loading conditions. The model shows that whether modelled as homogeneous linear isotropic material or as an orthotropic material defined for every layer of the cells wall, no difference in the deformation of the network of the fibres was achieved. It is probable that the deformation type is more determined by the geometry of the fibres themselves than by their material properties
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Magistris, Federica De. "Wood fibre deformation in combined shear and compression /". Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-415.

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Zhang, Xu. "DEFORMATION AND SHEAR BEHAVIORS OF WEATHERED COMPACTED SHALE". UKnowledge, 2014. http://uknowledge.uky.edu/ce_etds/23.

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As an abundant sedimentary rock, shale is widely used as construction material around the world. However, shale is a fissile and laminated material and is therefore subject to deterioration due to environmental and chemical forces (i.e., weathering), which is possible to cause high maintenance cost on associated structures and failures of earth slopes and embankments. However, currently, there is lack of efficient method to monitor the weathering process of shale. This thesis uses several shale samples collected from the commonwealth of Kentucky to study the deformation and shear behaviors of weathered compacted shale. A new electrical approach was developed to access the deformation behavior of shale. The long term deformation behaviors, such as collapse and swell can be predicted from specific electrical parameters. The critical state theory was used to describe the shear behavior of weathered compacted shale. Some findings observed by previous researchers were confirmed, and new empirical equations were provided to estimate the shear strength parameters of weathered compacted shale.
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Abu-Saman, Awni. "Large plastic deformation and shear localization of crystals". Doctoral thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/4954.

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Watts, Robert James. "The laboratory simulation of subglacial sediment deformation". Thesis, University of Southampton, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243164.

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Ahmad, M. K. M. "Shear lag effect in composite box girders". Thesis, Cardiff University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.237869.

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Libros sobre el tema "Shear deformation"

1

Hanmer, Simon. Shear-sense indicators: A review. Ottawa, Canada: Energy, Mines, and Resources Canada, 1991.

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2

1940-, Bursnall J. T., Geological Association of Canada. Meeting. y Geological Association of Canada, eds. Mineralization and shear zones. St. John's, Nfld: Geological Association of Canada, 1989.

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1940-, Bursnall J. T. y Geological Association of Canada. Meeting, eds. Mineralization and shear zones. St. John's, Nfld: Geological Association of Canada, 1989.

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Geological Survey (U.S.), ed. Unconfined compressive strength on rock samples representative of the types found in Bronx County, New York. [Denver, Colo.?]: U.S. Dept. of the Interior, Geological Survey, 1987.

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J, Jardine R. y Institution of Civil Engineers (Great Britain), eds. Pre-failure deformation behaviour of geomaterials. London: Thomas Telford, 1998.

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Fliervoet, Timon F. Deformation mechanisms in fine grained quartzo-feldspathic mylonites: An electron microscopy study. [Utrecht: Faculteit Aardwetenschappen, Universiteit Utrecht, 1995.

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Donaghe, Robert T. Strength and deformation properties of earth-rock mixtures. Vicksburg, Miss: Dept. of the Army, Waterways Experiment Station, Corps of Engineers, 1985.

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Wang, C. M. Buckling of restrained columns with shear deformation and axial shortening. St. Lucia: University of Queensland, Dept. of Civil Engineering, 1990.

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Reddy, J. N. A refined shear deformation theory for the analysis of laminated plates. [Washington, D.C.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.

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A mathematical analysis of bending of plates with transverse shear deformation. Harlow, Essex, England: Longman Scientific & Technical, 1990.

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Capítulos de libros sobre el tema "Shear deformation"

1

Bhaskar, K. y T. K. Varadan Retd. "Shear Deformation Theories". En Plates, 248–66. Chichester, UK: John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118894705.ch11.

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Bhaskar, K. y T. K. Varadan. "Shear Deformation Theories". En Plates, 181–95. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69424-1_11.

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Münstedt, Helmut y Friedrich Rudolf Schwarzl. "Shear Rheology". En Deformation and Flow of Polymeric Materials, 363–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-55409-4_11.

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Wu, Wei y Dimitrios Kolymbas. "On Oscillatory Shear Stress in Simple Shear". En Anisotropy and Localization of Plastic Deformation, 365–68. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3644-0_85.

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Bert, C. W. "Shear deformation and sandwich configuration". En Buckling and Postbuckling of Composite Plates, 157–89. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-1228-4_5.

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Lim, Teik-Cheng. "Shear Deformation in Auxetic Solids". En Auxetic Materials and Structures, 427–73. Singapore: Springer Singapore, 2014. http://dx.doi.org/10.1007/978-981-287-275-3_15.

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Mott, Robert L. y Joseph A. Untener. "Design for Direct Shear, Torsional Shear, and Torsional Deformation". En Applied Strength of Materials, Sixth Edition SI Units Version, 192–261. Sixth edition, SI units version. | Boca Raton : Taylor & Francis, CRC Press, 2018.: CRC Press, 2017. http://dx.doi.org/10.1201/9781315153056-4.

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Miyauchi, Kunio. "Rotation Problems in Simple Shear Deformation". En Anisotropy and Localization of Plastic Deformation, 335–38. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3644-0_78.

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Schrank, Christoph Eckart, Ali Karrech, David Alexandre Boutelier y Klaus Regenauer-Lieb. "Ductile deformation of single inclusions in simple shear with a finite-strain hyperelastoviscoplastic rheology". En Ductile Shear Zones, 46–58. Chichester, UK: John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118844953.ch4.

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Inui, Haruyuki y Kyosuke Kishida. "Plaston—Elemental Deformation Process Involving Cooperative Atom Motion". En The Plaston Concept, 119–31. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-7715-1_6.

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AbstractThe concept of ‘plaston’ that involves cooperative atom motion under shear stress is discussed as a deformation carrier that nucleates and moves in the deformation front under shear stress in many different materials in general. The selection of a plaston of a particular type among many different plastons depends on stress level/state, crystallographic orientation, specimen size (grain size) and so on. The importance of the understanding of the activation of various plastons is discussed for the improvement of mechanical properties of existing structural materials and the development of new structural materials with high strength and high ductility.
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Actas de conferencias sobre el tema "Shear deformation"

1

Varghese, T., M. Rao y E. L. Madsen. "P1C-5 Shear Strain Imaging with Shear Deformation". En 2006 IEEE Ultrasonics Symposium. IEEE, 2006. http://dx.doi.org/10.1109/ultsym.2006.326.

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Lu, Wei-Yang, John Korellis y Terry Hinnerichs. "Shear Deformation of High Density Aluminum Honeycombs". En ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-55092.

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The orthotropic crush model has commonly been used to describe the constitutive behavior of honeycomb [1]. To completely define the model parameters of a honeycomb, experimental data of axial crushes in T, L, and W principal directions as well as shear stress-strain curves in TL, TW, and LW planes are required. The axial crushes of high-density aluminum honeycombs, e.g., 38 pcf (pound per cubic foot), under various loading speeds and temperatures have been investigated and reported [2]. This paper describes experiments and model simulations of the shear deformation of the same high-density aluminum honeycomb. Results of plate shear test, beam flexure test, and off-axis compression are presented and discussed.
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Cerreta, E., J. Bingert, C. Trujillo, M. Lopez, C. Bronkhorst, B. Hansen y G. Gray. "Dynamic shear deformation in high purity iron". En DYMAT 2009 - 9th International Conferences on the Mechanical and Physical Behaviour of Materials under Dynamic Loading. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/dymat/2009137.

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Aggarwal, Nishith y Kausik Sarkar. "Effects of Viscoelasticity on Drop Deformation in Shear Flows". En ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37577.

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A three dimensional front tracking finite difference method is used to study the deformation of a Newtonian drop suspended in an Oldroyd-B fluid undergoing a steady shearing motion. The change in drop deformation and orientation with increasing Deborah number is established for small to moderate deformations and explained by examining the elastic and viscous stresses at the interface. Significant change in the drop orientation with the flow direction, with increasing viscoelasticity is observed. A non-monotonic change in steady state drop deformation is observed with increasing Deborah number and explained in terms of the competition between increase due to localized polymer stretching at the drop tips and decrease due to change in drop orientation angle.
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Tang, S. H. y S. Wu. "Deformation-Induced Microstructure Effects on Ultrasonic Waves: Simple Shear Versus Pure Shear". En ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93131.

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Although similar in total strain in simple shear and pure shear, they are very diverse in deformation modes, and the effect of these deformation modes on ultrasonic waves is very different. This paper aims to investigate deformation-induced microstructures and their effects on ultrasonic waves under simple and pure shear states. Texture evolutions, plastic spins, point defects induced by cross slips and fractal dimensions are analyzed via finite element polycrystal model. The investigation indicates that the texture evolutions are the same and transverse wave velocities depend on textures mainly; however, the point defects induced by cross slips show a striking difference between simple shear and pure shear, this implies that longitudinal wave velocities are sensitively influenced by point defects during plastic deformation.
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Endo, Takahide, Nobuhide Kasagi y Yuji Suzuki. "FEEDBACK CONTROL OF WALL TURBULENCE WITH WALL DEFORMATION". En First Symposium on Turbulence and Shear Flow Phenomena. Connecticut: Begellhouse, 1999. http://dx.doi.org/10.1615/tsfp1.660.

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"Shear-Flexure Interaction for Structural Walls". En SP-236: Deformation Capacity and Shear Strength of Reinforced Concrete Members Under Cyclic Loading. American Concrete Institute, 2006. http://dx.doi.org/10.14359/18215.

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Hennemann, Ingo y Frank Holzapfel. "AIRCRAFT WAKE VORTEX DEFORMATION IN TURBULENT ATMOSPHERE". En Fifth International Symposium on Turbulence and Shear Flow Phenomena. Connecticut: Begellhouse, 2007. http://dx.doi.org/10.1615/tsfp5.920.

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Zangrilli, Ursula T. y Lisa M. Weiland. "Ionic Polymer Transducer Sensing Response to Shear Deformation". En ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2010. http://dx.doi.org/10.1115/smasis2010-3763.

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Ionic polymer transducers (IPTs) show promise as both actuators and sensors. However, experiments show that the voltage required to actuate these materials is not symmetric to the voltage in sensing response of these materials. Therefore, the physical mechanism responsible for actuation is different than the mechanism for sensing. It is hypothesized that the physical mechanism responsible for sensing is streaming potential, as this supposition can explain the existence of an IPT response in any mode of deformation. This work will look specifically at developing a model of IPT sensing response to shear deformation. The scale at which the proposed mechanism operates is on the micro level, thus the study explores the implications of IPT phenomena at this length scale, but then volume averages it to the transducer length scale.
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GORODKIN, S., N. ZHURAVSKI y W. KORDONSKI. "SURFACE SHEAR STRESS ENHANCEMENT UNDER MR FLUID DEFORMATION". En Proceedings of the Eighth International Conference. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812777546_0126.

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Informes sobre el tema "Shear deformation"

1

Bardenhagen, S. G., J. U. Brackbill y D. L. Sulsky. Shear deformation in granular materials. Office of Scientific and Technical Information (OSTI), diciembre de 1998. http://dx.doi.org/10.2172/329539.

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Dawson, Daniel B. High-Rate Shear Deformation and Failure in Structural Alloys. Office of Scientific and Technical Information (OSTI), junio de 2002. http://dx.doi.org/10.2172/801502.

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Chandrasekar, Srinivasan, Kevin Trumble, James Mann, Aashish Rohatgi y Mert Efe. High-Silicon Steel Strip by Single-Step Shear Deformation Processing. Office of Scientific and Technical Information (OSTI), diciembre de 2022. http://dx.doi.org/10.2172/1900616.

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Ding, Zhi-Xia, Zuo-Lei Du, Yao-Peng Liu y Siu-Lai Chan. ADVANCED FLEXIBILITY-BASED ELEMENT ALLOWING FOR MEMBER IMPERFECTION AND SHEAR DEFORMATION. The Hong Kong Institute of Steel Construction, diciembre de 2018. http://dx.doi.org/10.18057/icass2018.p.155.

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Nieh, T. G. Roles of nanoclusters in shear banding and plastic deformation of bulk metallic glasses. Office of Scientific and Technical Information (OSTI), julio de 2012. http://dx.doi.org/10.2172/1047044.

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Gwalani, Bharat, Mayur Pole, Kate Whalen, Shuang Li, Brian O'Callahan, Jinhui Tao, Aditya Nittala y Keerti Kappagantula. Evaluating Effects of Shear Processing on 2D Crystalline Materials in 3D Metal Matrices: Atomistic Understanding of High Shear Deformation of Copper Graphene Composites. Office of Scientific and Technical Information (OSTI), septiembre de 2021. http://dx.doi.org/10.2172/1985708.

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Ansdell, K. M. y J. J. Ryan. Timing of early deformation within the long-lived Elbow Lake Shear Zone, Trans-Hudson Orogen, Manitoba. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1997. http://dx.doi.org/10.4095/209094.

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Davis, George. Structural Geologic Maps of Conjugate Normal-Fault and Strike-Slip Deformation Band Shear Zones in Navajo Sandstone. Geological Society of America, 2013. http://dx.doi.org/10.1130/2013.dmch015.1.

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Oliynyk, Kateryna y Matteo Ciantia. Application of a finite deformation multiplicative plasticity model with non-local hardening to the simulation of CPTu tests in a structured soil. University of Dundee, diciembre de 2021. http://dx.doi.org/10.20933/100001230.

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In this paper an isotropic hardening elastoplastic constitutive model for structured soils is applied to the simulation of a standard CPTu test in a saturated soft structured clay. To allow for the extreme deformations experienced by the soil during the penetration process, the model is formulated in a fully geometric non-linear setting, based on: i) the multiplicative decomposition of the deformation gradient into an elastic and a plastic part; and, ii) on the existence of a free energy function to define the elastic behaviour of the soil. The model is equipped with two bonding-related internal variables which provide a macroscopic description of the effects of clay structure. Suitable hardening laws are employed to describe the structure degradation associated to plastic deformations. The strain-softening associated to bond degradation usually leads to strain localization and consequent formation of shear bands, whose thickness is dependent on the characteristics of the microstructure (e.g, the average grain size). Standard local constitutive models are incapable of correctly capturing this phenomenon due to the lack of an internal length scale. To overcome this limitation, the model is framed using a non-local approach by adopting volume averaged values for the internal state variables. The size of the neighbourhood over which the averaging is performed (characteristic length) is a material constant related to the microstructure which controls the shear band thickness. This extension of the model has proven effective in regularizing the pathological mesh dependence of classical finite element solutions in the post-localization regime. The results of numerical simulations, conducted for different soil permeabilities and bond strengths, show that the model captures the development of plastic deformations induced by the advancement of the cone tip; the destructuration of the clay associated with such plastic deformations; the space and time evolution of pore water pressure as the cone tip advances. The possibility of modelling the CPTu tests in a rational and computationally efficient way opens a promising new perspective for their interpretation in geotechnical site investigations.
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Johnstone, S. E., S. Lin y H. A. I. Sandeman. Significance of the Walker Lake shear zone with respect to regional deformation in the Committee Bay belt, central mainland, Nunavut. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2002. http://dx.doi.org/10.4095/213192.

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