Academic literature on the topic 'Previously-deformed state'

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Journal articles on the topic "Previously-deformed state"

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Lozynskyi, Vasyl, Pavlo Saik, Mykhailo Petlovanyi, Kateryna Sai, and Yevhenii Malanchuk. "Analytical Research of the Stress-Deformed State in the Rock Massif around Faulting." International Journal of Engineering Research in Africa 35 (March 2018): 77–88. http://dx.doi.org/10.4028/www.scientific.net/jera.35.77.

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In this paper, the geological faults in the zone of stable geodynamic and tectonic activity are studied. The purpose of the analytical research is to establish regularities of rock pressure in the hanging and foot walls of the geological fault and its influence on the state-deformed state of the rock massif. Comprehensive methodology that included analytical calculation will be implemented in the work. Taking into account the complexity of determining the stress-deformed state of the rocks, evaluation method of tension is adopted. Results of previously conducted computer modeling results are c
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Kamenev, I. V. "Verification of the mathematical modelof the deformed state of cylindrical CLT-panels." Вестник гражданских инженеров 20, no. 3 (2023): 25–32. http://dx.doi.org/10.23968/1999-5571-2023-20-3-25-32.

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In this paper, the verification of the mathematical model previously proposed by the author for studying the stress-strain state of multilayer cylindrical panels from CLT is carried out. For this purpose, the calculation results of the author's model of three shells of different geometry made of a different number of layers are compared with the calculation results of such structures obtained in PC «Lira-SAD».Structures fixed along the contour in a hinged and rigid manner were subjected to the action of a small evenly distributed transverse load, with the greatest possible panel deflections of
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ABDEL-RAHMAN, M. A., M. S. ABDALLAH, and EMAD A. BADAWI. "DEFECT CONCENTRATION IN DEFORMED AlSiMgSr BY TRAPPING MODEL OF POSITRON." Surface Review and Letters 12, no. 04 (2005): 545–47. http://dx.doi.org/10.1142/s0218625x05007396.

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This paper reports the results of lifetime measurements on deformed AlSiMgSr alloy. Using the trapping model, we obtained the value of 196.7 ps for the lifetime of the free state, and 210.5 ps for the trapped state. The specific trapping rate per unit defect concentration was calculated to be 0.2280 cm2 · s-1. The concentration of defects was 5.78×1017 cm -3 when thickness reduction was 18.2%. The dislocation density for the same thickness reduction is 1.63×1010 cm -2. We have compared these values with a previously used method1 and have obtained perfect agreement for both methods, demonstrati
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Abushawish, Mojahed, Enhong Wang, Jeremie Dudouet, et al. "Reassessment of the 100Nb rotational band and its newfound connection with the (8−) isomer." EPJ Web of Conferences 329 (2025): 01009. https://doi.org/10.1051/epjconf/202532901009.

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In this work, a new spectroscopy is reported for the the odd-odd 100Nb nucleus which lies one neutron below the well known N=60 island of deformation in the A~100 mass region where a sudden shape transition from semi-spherical to well deformed ground state occurs. The measurement involved prompt and prompt-delayed γ-ray spectroscopy of fission fragments isotopically identified using the combination of the Variable Mode Spectrometer (VAMOS++), the Advanced Gamma Tracking Array (AGATA) and the EXOtic GAMma-ray spectrometer (EXOGAM). In addition, a dataset of the spontaneous fission of 252Cf meas
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CHABAB, M., A. LAHBAS, and M. OULNE. "ANALYTIC l-STATE SOLUTIONS OF THE KLEIN–GORDON EQUATION FOR q-DEFORMED WOODS–SAXON PLUS GENERALIZED RING SHAPE POTENTIAL FOR THE TWO CASES OF EQUAL AND DIFFERENT MIXED VECTOR AND SCALAR POTENTIALS." International Journal of Modern Physics E 21, no. 10 (2012): 1250087. http://dx.doi.org/10.1142/s0218301312500875.

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The analytical expressions for the eigenvalues and eigenvectors of the Klein–Gordon equation for q-deformed Woods–Saxon plus new generalized ring shape potential are derived within the asymptotic iteration method in two cases, namely, the case of equal mixed vector and scalar potentials and the case when the vector potential is chosen to be equal to the q-deformed Woods–Saxon plus the new generalized ring-shaped potential while the scalar one is taken equal to the ring-shaped potential. The latter is considered as a small perturbation. The obtained eigenvalues are given in a closed form and th
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Luri, R., J. P. Fuertes, C. J. Luis, D. Salcedo, I. Puertas, and J. León. "Experimental modelling of critical damage obtained in Al–Mg and Al–Mn alloys for both annealed state and previously deformed by ECAP." Materials & Design 90 (January 2016): 881–90. http://dx.doi.org/10.1016/j.matdes.2015.11.017.

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Wegner, Wojciech, Tomasz Jaroń, and Wojciech Grochala. "MYb(BH4)4(M= K, Na) from laboratory X-ray powder data." Acta Crystallographica Section C Crystal Structure Communications 69, no. 11 (2013): 1289–91. http://dx.doi.org/10.1107/s0108270113027145.

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Two new borohydrides, potassium ytterbium tetraborohydride, KYb(BH4)4, and sodium ytterbium tetraborohydride, NaYb(BH4)4, have been synthesizedviamechanochemical reactions in the solid state. The two compounds are isostructural and both crystallize in theCmcmspace group in the structure reported previously for NaSc(BH4)4and KY(BH4)4. This crystal structure is composed of isolated homoleptic [Yb(BH4)4]−anions surrounded byM+cations (M = Na, K). The packing of theM+cations and [Yb(BH4)4]−anions is a distorted variant of the hexagonal NiAs structure type, withM+forming distorted trigonal prisms,i
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Rogacheva, Nelly, Vladimir Sidorov, and Yulia Zheglova. "Piezoelectric Gauge of Small Dynamic Bending Strains." Buildings 14, no. 8 (2024): 2447. http://dx.doi.org/10.3390/buildings14082447.

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This paper is devoted to a new gauge of small dynamic bending deformations of structures. Unlike previously existing strain gauges that measure elongation or compression at a certain point on the surface of a deformable body, the proposed gauge measures the change in curvature at a point on the surface of a deformable body and does not respond to elongation–compression strains. The gauge is a layered bar made of piezoelectric and elastic materials. It functions using the direct piezoelectric effect. In order to competently study the deformed state of a structure at points on a surface, it is n
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Zeghib, Sadek. "Particle–rotor model interpretation of rotational features in 125I." Canadian Journal of Physics 90, no. 5 (2012): 413–24. http://dx.doi.org/10.1139/p2012-034.

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Most of the structure of 125I at low and medium energies has been successfully interpreted using a particle–rotor model. Rotational features similar to complete particle–core rotational multiplets have been identified for the first time especially for g7/2, d5/2 proton–particle orbitals. The model calculations show also that the rotational structure of the ΔJ = 1 band build on unusually low-lying g9/2 proton-hole state (9/2+ [404]) is naturally very well predicted and successfully described as well as other rotational features for negative parity states of h11/2 parentage along with the differ
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Kazakova, Alena A., and Alexander Yu Churyumov. "Microstructure and Mechanical Properties of Fe-30Mn-10Al-3.3Si-1C Light-Weight Steel." Materials 18, no. 6 (2025): 1258. https://doi.org/10.3390/ma18061258.

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The development of new materials with low weight for the transport industry is required for the saving of natural resources and protection of the environment from carbon dioxide pollution. The microstructure and mechanical properties of the Fe-30Mn-10Al-3.3Si-1C steel in as-cast, quenched, aged, and hot-deformed states were investigated. Austenite, ferrite, and κ-carbides are present in the steel in an as-cast state. Hot deformation of steels was made using the thermal and mechanical simulation system Gleeble-3800 at temperatures of 900–1050 °C and strain rates of 0.1–10 s−1. Mechanical proper
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Dissertations / Theses on the topic "Previously-deformed state"

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Дем`яненко, Марина Миколаївна, Марина Николаевна Демьяненко та Maryna Mykolaivna Demianenko. "Гідродинаміка та гідроаеропружність динамічних сепараційних пристроїв". Thesis, Сумський державний університет, 2021. https://essuir.sumdu.edu.ua/handle/123456789/86273.

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Процеси сепарації фаз є супутніми при протіканні більшості з основних процесів хімічних, нафтопереробних та металургійних виробництв для забезпечення якості первинної підготовки сировини, якості вихідного продукту та екологічної безпеки. У зв’язку з цим важливою науково-технічною задачею є підвищення ефективності та інтенсивності процесів сепарації гетерогенних багатокомпонентних сумішей. Розробка нових та вдосконалення існуючих способів сепарації є обов'язковою, оскільки більшість існуючих способів розділення, таких як відстоювання, фільтрування та центрифугування не дозволяють отримати очище
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Book chapters on the topic "Previously-deformed state"

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Bovykin, V. I., and B. V. Anan’ich. "The Role of International Factors in the Formation of the Banking System in Russia." In International Banking 1870-1914. Oxford University PressNew York, NY, 1992. http://dx.doi.org/10.1093/oso/9780195062717.003.0007.

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Abstract The formative stage of the Russian banking system was the I 860s and l 870s,-a--period when capitalist relations were being significantly strengthened in the country. Previously, the country lived under serfdom (not abolished until 1861), which fettered and deformed the growth of production, commerce, and credit. Faced with the threat of a revolutionary overthrow of the out dated feudal regime, Russian landowners sacrificed serfdom and embarked upon a gradual bourgeois transformation of the agrarian system and adaptation of the landowner stage to burgeoning capitalism. As a result, ca
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Conference papers on the topic "Previously-deformed state"

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Gotoh, M., and Y. Shibata. "Elastic-Plastic FEM Analysis of Deformations of a Cylinder Subjected to Severe Uniaxial and Bilateral Compression by Flat Plates." In ASME 1991 International Computers in Engineering Conference and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/cie1991-0108.

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Abstract Uni-lateral and bi-lateral elastic-plastic compressions of a circular cylinder with three different wall thicknesses by flat plates are numerically analysed by the Finite Element Method (FEM). J2-flow theory (J2F), and J2-Gotoh’s corner theory (J2G) which was previously proposed by one of the authors are used as the constitutive equations. In the case of uni-lateral compression, the cylinder is compressed up to a completely flattened shape, which is considered a kind of plastic forming processes. The deformed shapes and the compressive force are predicted better by J2G than by J2F. Th
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Miyazaki, Marcelo N. R., José Renato M. de Sousa, and Gilberto B. Ellwanger. "A Three-Dimensional FE Approach for the Stress Analysis of Tensile Armors Inside End Fittings." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95506.

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Abstract In this work, a solid three-dimensional finite element (FE) approach is proposed to investigate the stress distribution along the tensile armors of flexible pipes inside their end fittings (EFs). This approach employs two different models. The first model consists of a single tensile armor, which is meshed with solid FEs, and a rigid surface that represents the EF. A toroidal template is also considered and the EF mounting process is simulated. In the second model, the deformed armor and the stress state from the first model are considered and the voids between the armor and the EF ar
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Slyusar, Ludmila. "Changes in the marital behavior of the population in Ukraine during the war." In Economic growth in the face of global challenges. Consolidation of national economies and reduction of social inequalities: International Scientific-Practical Conference, XVIIIth edition. National Institute for Economic Research, 2024. https://doi.org/10.36004/nier.cdr.18.2024.10.

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The Russia-Ukraine war dramatically changes the living conditions of population, as a result of which there are changes in the demographic behavior (marital, reproductive, and migratory). These changes affect both the current demographic situation and future demographic development. The purpose of this study is to determine the changes in the marital behavior in Ukraine which appeared under the influence of the war. In the study were used data from the State Statistics Service of Ukraine (for the period before the full-scale invasion), data from the Ministry of Justice, media publications, exp
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Krylov, Slava, Nicola Molinazzi, Tsvi Shmilovich, Uri Pomerantz, and Stella Lulinsky. "Parametric Excitation of Flexural Vibrations of Micro Beams by Fringing Electrostatic Fields." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-28684.

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We report on an approach for efficient excitation of large amplitude flexural out-of-plane vibrations of micro beams and present results of theoretical and experimental feasibility study of the suggested principle. An actuating electrode is located symmetrically at the two sides of the beam and is fabricated from the same layer of the wafer. The electrostatic force is engendered by the asymmetry of the fringing fields in the deformed state and acts in the direction opposite to the deflection therefore increasing the effective stiffness of the system. The time-varying voltage applied to the ele
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Dall’Acqua, D., V. Y. B. Yung, and K. M. Admiraal. "Cyclic Pressure Response of Deformed Casing after Discrete Geomechanically-Driven Shear Displacement in Multi-Fractured Horizontal Wells." In SPE Annual Technical Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/220893-ms.

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Geomechanically-driven casing deformation that limits well accessibility is known to occur in certain basins where hydraulic fracturing is employed to stimulate production. Completions teams are often faced with decisions relating to whether the well can still be operated at the original stimulation pressure, and the impact of remedial milling work on pipe capacity. This paper specifically explores the structural response of casing to cyclic pressure loading in situations where local deformation has previously been caused by discrete formation shear movement. Discrete geomechanical shear gener
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Reports on the topic "Previously-deformed state"

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Anderson, Zachary W., Greg N. McDonald, Elizabeth A. Balgord, and W. Adolph Yonkee. Interim Geologic Map of the Browns Hole Quadrangle, Weber and Cache Counties, Utah. Utah Geological Survey, 2023. http://dx.doi.org/10.34191/ofr-760.

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The Browns Hole quadrangle is in Weber and Cache Counties of northern Utah and covers the eastern part of Ogden Valley, a rapidly developing area of the Wasatch Range. The Middle and South Forks of the Ogden River bisect the quadrangle and are important watersheds and recreational areas to the communities of Ogden Valley and the Wasatch Front. The towns of Huntsville and Eden are just west of the quadrangle, unincorporated communities with year-round residents are present throughout the quadrangle, and numerous summer-cabin communities are present in the eastern part of the quadrangle. A porti
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