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Journal articles on the topic 'Types deformation'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Korneeva, Ya A., A. V. Korneeva, M. A. Tunkina, and A. S. Yurieva. "Individual and personal qualities of bailiffs with various types of professional deformation." Acta Biomedica Scientifica 7, no. 1 (2022): 114–28. http://dx.doi.org/10.29413/abs.2022-7.1.14.

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Background. Insufficient knowledge of the professional deformation of bailiffs with the accumulated research material that reveals the essence of this phenomenon, as well as the need to take into account the specifics of the activity and individual and personal characteristics of this category of employees, determine the relevance of this study.The aim: to identify and describe the individual and personal qualities of bailiffs with various professional deformation types.Material and methods. In this work, the following research methods were used: the author’s questionnaire for assessing seven

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2

Ellis, G. F. R., and P. J. McCarthy. "Arnold deformation of Petrov types." Annals of Physics 180, no. 1 (1987): 74–107. http://dx.doi.org/10.1016/0003-4916(87)90130-8.

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He, Yi, Wenhui Wang, Haowen Yan, Lifeng Zhang, Youdong Chen, and Shuwen Yang. "Characteristics of Surface Deformation in Lanzhou with Sentinel-1A TOPS." Geosciences 10, no. 3 (2020): 99. http://dx.doi.org/10.3390/geosciences10030099.

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While surface deformations and their impact on buildings have been observed in the city of Lanzhou, it is difficult to find studies of surface deformation and the influential factors in the recent decades. This study was designed to detect the spatial position of these surface deformations and to understand the mechanism behind them. Sentinel-1A TOPS model image data acquired in descending orbits between March 2015 and May 2019 were processed by using Small Baseline Subsets Interferometry (SBAS)-Interferometric Synthetic Aperture Radar (InSAR) technology, and then compared with geology, tecton

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Kowalczyk, Stanisław. "Freedom and Types of its Deformation." Forum Philosophicum 4 (1999): 73–87. http://dx.doi.org/10.5840/forphil199948.

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Khoa, Trinh Van. "Duality in process of noncommutative deformation and topological nature of Cherepanov-Rice integral." Vietnam Journal of Mechanics 31, no. 2 (2009): 97–102. http://dx.doi.org/10.15625/0866-7136/31/2/5487.

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In t his paper it is showed, that for the noncommutative deformation simultaneously there exist also loading deformation H, and unloading deformation \(H^v\). The real deformation is a combination of these types of deformations. The criterion of destruction J reflects topological character of medium, i.e. it defines properties of symmetry of medium at destruction. It is possible to tell, that during destruction the energy is released not continuously but and discretely. This situation is reflected through topological number Q or number of unloading, connected to him.

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Ma, Shuai, Xiubo Liu, Bo Zhang, and Jianmei Wei. "Differential Deformation Identification of High-Speed Railway Substructures Based on Dynamic Inspection of Longitudinal Level." Sensors 23, no. 1 (2022): 219. http://dx.doi.org/10.3390/s23010219.

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High-speed railway administrations are particularly concerned about safety and comfort issues, which are sometimes threatened by the differential deformation of substructures. Existing deformation-monitoring techniques are impractical for covering the whole range of a railway line at acceptable costs. Fortunately, the information about differential substructure deformation is contained in the dynamic inspection data of longitudinal level from comprehensive inspections trains. In order to detect potential differential deformations, an identification method, combining digital filtering, a convol

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7

Hwu, Chyanbin, and Wilfried Becker. "Stroh formalism for various types of materials and deformations." Journal of Mechanics 38 (2022): 433–44. http://dx.doi.org/10.1093/jom/ufac031.

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Abstract The Stroh formalism is a complex variable formulation developed originally for solving the problems of two-dimensional linear anisotropic elasticity. By separation of the third variable for the linear variation of displacements along the thickness direction, it was proved to be applicable for the problems with coupled stretching-bending deformation. By the Radon transform which maps a three-dimensional solid to a two-dimensional plane, it can be applied to the three-dimensional deformation. By the elastic-viscoelastic correspondence principle, it is also valid for the viscoelastic mat

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CELMS, A., I. TREVOHO, V. CELMINA, and M. BRINKMANIS-BRIMANIS. "Technologies of building deformation monitoring in Latvia." Modern achievements of geodesic science and industry 2, no. 44 (2022): 53–59. http://dx.doi.org/10.33841/1819-1339-2-44-53-59.

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Determining the deformations of a building is a very important process in the construction and operation of a construction site. The main causes of deformation of structures and their foundations are sedimentation of foundation structures, weak load-bearing soil, crushed sand layers, wear and degradation of building foundations, uneven or excessive loading of foundations, poor condition of pile foundations, regular ambient vibrations, support of ambient temperature, various loads caused by wind, snow and other conditions, uncompact soil. The quality of building materials, binders, and aggregat

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9

Tang, Ai Jun, Hai Long Ma, and Zhan Qiang Liu. "Elastic-Plastic Deformation of Milling Thin Wall Part." Applied Mechanics and Materials 345 (August 2013): 321–24. http://dx.doi.org/10.4028/www.scientific.net/amm.345.321.

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Aircraft components are mostly made by aluminum alloy as thin wall types. These parts are usually end milled to required thicknesses and tight tolerances in specific areas. The thin wall parts are difficult to machine because they are easy to vibrate and deformed due to their lower rigidity. This paper proposes a new elastic-plastic deformation model which is suitable for prediction of machining deformations of end milled thin wall parts. The theoretical deformation model is established on the basis of the equations of Von Kármán. The part deformations are simulated using FE analysis and Matla

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Yuldashev, Akmal Temirovich. "WHEEL TRACK DEFORMATIONS IN ASPHALT CONCRETE PAVEMENTS." Educational Research in Universal Sciences 1, no. 7 (2023): 173–76. https://doi.org/10.5281/zenodo.7508420.

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The article describes the reasons for the appearance of wheelbase deformations that occur on roadways with asphalt concrete pavement, their types and methods of their elimination, which are theoretically hit and analyzedasphalt concrete pavement, roadbase, operation, loads, deformation, wheel track deformations.

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Alex Degtyarev, Ilia Itenberg, and Viatcheslav Kharlamov. "On deformation types of real elliptic surfaces." American Journal of Mathematics 130, no. 6 (2008): 1561–627. http://dx.doi.org/10.1353/ajm.0.0029.

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12

Romero-Vargas, Samuel, José Luis Ruiz-Sandoval, Arturo Sotomayor-González, et al. "A look at Mayan artificial cranial deformation practices: morphological and cultural aspects [RETRACTED]." Neurosurgical Focus 29, no. 6 (2010): E2. http://dx.doi.org/10.3171/2010.9.focus10200.

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Induced deformation of the cranial vault is one form of permanent alteration of the body that has been performed by human beings from the beginning of history as a way of differentiating from others. These procedures have been observed in different cultures, but were particularly widespread in Mesoamerica. The authors examined and reviewed the historical and anthropological literature of intentional deformation practices in Mayan culture. The Mayans performed different types of cranial deformations and used different techniques and instruments to deform children's heads. The most remarkable mo

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Kyi, Nwe Nwe Aung. "Progressive Crustal Deformation of Yinmabin Area and Its Environs, Mandalay Region." Bago University Research Journal Vol. 6, No. 1, no. 2016 (2016): 242–48. https://doi.org/10.5281/zenodo.3917491.

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The present paper emphasized mainly on interpretations of deformation fabrics and stress field orientation related to progressive crustal deformation and deformation patterns of the Yinmabin area and its environs during India and Asia collision in Early Cenozoic time. On the basis of microfabric as well as in addition with megastructures, there are at least five types of structural deformation, which operated within the Shan scarp fault zone and Sagaing fault zone.

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14

Yang, Wenmao. "On the isometry of surfaces preserving the lines of curvature." Bulletin of the Australian Mathematical Society 42, no. 2 (1990): 231–45. http://dx.doi.org/10.1017/s0004972700028392.

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In this paper we study the isometric deformations of surfaces in E3, which preserve the lines of curvature. We call a surface M and LC-surface if it admits a non-trivial deformation of this type. We distinguish three types of LC-surfaces, and obtain some new results about these three types of surfaces.

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Tsareva, Olga, Ivan Dmitriev, and Yuriy Kornilov. "Estimation of absolute deformations by changes in distances between the reference points and deformation marks." MATEC Web of Conferences 245 (2018): 04013. http://dx.doi.org/10.1051/matecconf/201824504013.

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The article considers the definition of absolute types of deformations, such as transfer and rotation of a building, using linear spatial intersection. In particular, knowing the distances between strong points and deformation marks, the coordinates of the marks located on the building in the initial and current observation cycles are obtained. Knowing the coordinates of the marks, calculate the displacement vectors of the marks for a certain period of time. The definition of absolute deformations is based on the estimation of the projections of the displacement vectors on the coordinate axes,

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16

Sivák, Peter, Peter Frankovský, Ingrid Delyová, Jozef Bocko, Ján Kostka, and Barbara Schürger. "Influence of Different Strain Hardening Models on the Behavior of Materials in the Elastic–Plastic Regime under Cyclic Loading." Materials 13, no. 23 (2020): 5323. http://dx.doi.org/10.3390/ma13235323.

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In exact analyses of bodies in the elastic–plastic regime, the behavior of the material above critical stress values plays a key role. In addition, under cyclic stress, important phenomena to be taken into account are the various types of hardening and the design of the material or structure. In this process, it is important to define several groups of characteristics. These include, for instance, the initial area of plasticity or load which defines the interface between elastic and plastic deformation area. The characteristics also include the relevant law of plastic deformation which specifi

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Tang, Ai Jun, and Zhan Qiang Liu. "Experiments and Simulation of Elastic-Plastic Deformation in Thin Wall Part Milling." Advanced Materials Research 314-316 (August 2011): 482–86. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.482.

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Aircraft components are mostly made by aluminum alloy as thin wall types. These parts are usually end milled to required thicknesses and tight tolerances in specific areas. The thin wall parts are difficult to machine because they are easy to vibrate and deformed due to their lower rigidity. This paper proposes a new elastic-plastic deformation model which is suitable for prediction of machining deformations of end milled thin wall parts. The theoretical deformation model is established on the basis of the equations of Von Kármán. The effect of bending springback is also taken into account. Th

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18

Liu, Zhao Hui, Li Cui, Tao Zhang, Qiang Liu, Er Yang Chen, and Ke Ming Yang. "Three Dimensional Mapping of Ground Deformation Disasters Caused by Underground Coal Mining." Advanced Materials Research 524-527 (May 2012): 503–7. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.503.

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The ground subsidence and deformations caused by underground mining not only affect people’s life tremendously, but also ruin the local eco-environment. These phenomenons (disasters) should be controlled and rehabilitated. For this purpose, in this paper, the characteristic and values of surface subsidence, deformation and movements were evaluated and calculated using some kinds of technological theories and methodology such as probability integral method and so on. Based on the Google Earth image and digital relief maps as well as the predicted results and data, several types of 3D thematic m

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19

Gent, A. N. "Extensibility of rubber under different types of deformation." Journal of Rheology 49, no. 1 (2005): 271–75. http://dx.doi.org/10.1122/1.1835343.

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20

Toriumi, Mitsuhiro. "Two types of ductile deformation/regional metamorphic belt." Tectonophysics 113, no. 3-4 (1985): 307–26. http://dx.doi.org/10.1016/0040-1951(85)90203-3.

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21

Lychagin, Dmitry V., Elvira N. Kungulova, Evgeny N. Moskvichev, Anatoly A. Tomilenko, and Platon A. Tishin. "Microstructure of Vein Quartz Aggregates as an Indicator of Their Deformation History: An Example of Vein Systems from Western Transbaikalia (Russia)." Minerals 10, no. 10 (2020): 865. http://dx.doi.org/10.3390/min10100865.

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We investigated the microstructural and crystallographic features of quartz from complex vein systems associated with the development of thrust and shear deformations in Western Transbaikalia using electron back scatter diffraction (EBSD) and optical microscopy. Vein quartz systems were studied to obtain insights on the mechanisms and localization of strains in quartz, in plastic and semibrittle conditions close to the brittle–ductile transition, and their relationship to the processes of regional deformations. Five types of microstructures of vein quartz were distinguished. We established tha

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22

Babentsov, V. N. "Dislocation emission caused by different types of nanoscale deformation defects in CdTe." Semiconductor Physics Quantum Electronics and Optoelectronics 17, no. 1 (2014): 29–33. http://dx.doi.org/10.15407/spqeo17.01.029.

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23

Yuriy, Paladiychuk, and Telyatnuk Inna. "TYPES AND CONSTRUCTIONS OF VIBRATION EXCITERS OF MODERN ENGINEERING." Vibrations in engineering and technology, no. 4(107) (December 23, 2022): 26–35. http://dx.doi.org/10.37128/2306-8744-2022-4-4.

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One of the ways to increase the fatigue strength and wear resistance of parts is defamation of the surface layer of the working surfaces of the parts as a whole and in stress concentration zones. Plastic deformation takes place when the load increases, which is higher than the elastic strength of the material, as the metal strengthens during the deformation process. The bulk of industrial alloys have a polycrystalline structure. During the deformation of polycrystals, there is no sliding stage, the deformation of the grains begins immediately along several sliding systems and is accompanied by

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Korzh, M., V. Kutsenko, A. Popov, and O. Perfiliev. "Main Types of Vertebrates in Spine Tumors (Prospective Study)." Ukraïnsʹkij žurnal medicini, bìologìï ta sportu 6, no. 1 (2021): 91–95. http://dx.doi.org/10.26693/jmbs06.01.091.

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Damage to the vertebrae as a result of neoplastic processes leads to serious health consequences for people of all ages and genders. Unsuccessfully constructed tactics for the treatment of primary and metastatic spinal lesions are the result of severe orthopedic and neurological complications, which can lead to fatal consequences. To decide what type of surgery to perform, you need to have more information than the type of tumor. To create a rational algorithm for the treatment of patients with loss of spinal support due to neoplastic lesions of the thoracic and lumbar vertebrae should conside

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Zhang, Yubing, Yong Wang, Guang Sun, Jiazhen Han, and Yudong Xie. "EFFECTS OF TWO TYPES OF CONTROLLABLE DEFORMATION ON ENERGY EXTRACTION OF A FLEXIBLE HYDROFOIL." Brodogradnja 73, no. 1 (2022): 109–26. http://dx.doi.org/10.21278/brod73106.

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Energy extraction capacity of controllably flexible hydrofoil was studied under two identified deformation modes. Deformation modes, flexure parameters (flexure amplitude  and flexure coefficient ) and motion parameters (reduced frequency f* and pitching amplitude 0) were investigated to understand the effects of controllably flexible deformation on energy extraction. The results reveal that deformation modes affect the effective angle of attack and vortex structure, which influence hydrodynamic performance. The energy extraction capacity improves from the deformation mode 2 to the rigid hy

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Gao, Yipeng, Yunzhi Wang, and Yongfeng Zhang. "Deformation pathway and defect generation in crystals: a combined group theory and graph theory description." IUCrJ 6, no. 1 (2019): 96–104. http://dx.doi.org/10.1107/s2052252518017050.

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The generation and motion of crystalline defects during plastic deformation are critical processes that determine the mechanical properties of a crystal. The types of defect generated are not only related to the symmetry of a crystal but also associated with the symmetry-breaking process during deformation. Proposed here is a new mathematical framework to capture the intrinsic coupling between crystal symmetry and deformation-induced symmetry breaking. Using a combination of group theory and graph theory, a general approach is demonstrated for the systematic determination of the types of cryst

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DEEKSHITH, NAKIREKANTI. "Shape Optimization of Heavy Vehicle Chassis." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 05 (2025): 1–9. https://doi.org/10.55041/ijsrem48461.

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ABSTRACT A chassis consists of an internal vehicle frame that supports a manmade object in its construction and use. An example of a chassis is the under part of a vehicle, consisting of the frame (on which the body is mounted). If the running gear such as wheels and transmission, and sometimes even the driver's seat, are included, then the assembly is described as a rolling chassis. The main objective of this project was to modify the design to decrease the deformation of chassis. The design was done using CATIA, which is advanced modelling software. In these two types of analysis were done o

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Kozlova, V. K., E. V. Bozhok, V. V. Logvinenko, Yu S. Sarkisov, and Yu A. Il'evskii. "SHRINKING DEFORMATION OF BUILDING MATERIALS AND METHODS OF ITS REDUCTION." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture, no. 5 (October 30, 2018): 140–55. http://dx.doi.org/10.31675/1607-1859-2018-20-5-140-155.

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Construction materials manufactured with composite cement binders are characterized by shrinking deformation in the course of their hardening. The total deformation consists of three shrinkage types: contractional, humid and carbonizing. The analysis of crack propagation in building materials is important because its changes result in the reduction in the service life of building structures. Humid and carbonizing shrinkages are determined for various construction materials. It is found that contractional shrinkage of construction materials may significantly ex-ceed shrinking deformations which

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Cui, Xinran, Hao Gu, Chongshi Gu, Wenhan Cao, and Jiayi Wang. "A Novel Imputation Model for Missing Concrete Dam Monitoring Data." Mathematics 11, no. 9 (2023): 2178. http://dx.doi.org/10.3390/math11092178.

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To ensure the safety of concrete dams, a large number of monitoring instruments are embedded in the bodies and foundations of the dams. However, monitoring data are often missing due to failure of monitoring equipment, human error and other factors that cause difficulties in diagnosis of dam safety and failure to precisely predict their deformation. In this paper, a new method for imputing missing deformation data is proposed. First, since the traditional deformation increment speed distance index of the deformation similarity index does not take into account the fact that there is little chan

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Merzlikin, Artem, Oleksandr Yaytsov, Olga Pidgurnaya, and Victor Nazimko. "RESEARCH OF DEFORMATIONS AND OPTIMIZATION OF PARAMETERS OF DEGASATION WELLS." JOURNAL of Donetsk mining institute, no. 2 (2020): 49–57. http://dx.doi.org/10.31474/1999-981x-2020-2-49-57.

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Purpose. Investigation of deformation of the mouth of the degassing well depending on the deformation of the rocks around the preparatory work Methodology. The deformation of the mouth of the degassing well as a function of deformations of the roof rocks of the preparatory workings from which the well was drilled is considered. The dependence of the required depth of well sealing on the level of methane leakage and roof deformation is established. Results. It is experimentally proved that in the zone of active shifts behind the operating lava, where the main amount of explosive methane is rele

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Daneyko, Olga, Tatiana Kovalevskaya, Nadezhda Kulaeva, and Svetlana Kolupaeva. "Influence of Hardening Phase of Coherent and Incoherent Coupling with FCC Matrix on Evolution of Deformation Defect Subsystem and Strain Hardening of Heterophase Alloys." Advanced Materials Research 1013 (October 2014): 287–94. http://dx.doi.org/10.4028/www.scientific.net/amr.1013.287.

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A mathematical model of plastic deformation of dispersion-hardened materials with FCC matrix and strengthening particles having various coupling with the matrix is presented. The model is based on the equations of balance of deformational defects of various types with allowance for their transformation in the process of plastic deformation. The influence of scale characteristics of the strengthening phase, temperature, and strain rate on the evolution of the dislocation subsystem and on strain hardening of an alloy with FCC matrix is investigated.

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Surianinov, M. G., S. P. Neutov, I. B. Korneieva, and D. V. Velychko. "Bearing capacity of steel fiber reinforced concrete with different fiber types." Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas, no. 2(49) (December 30, 2020): 18–24. http://dx.doi.org/10.31471/1993-9965-2020-2(49)-18-24.

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The paper presents study results of the load-bearing capacity of fibroconcrete during dispersed reinforce-ment with steel fiber of three different types - anchor, flattened and corrugated. In all experiments, fiber was added in an amount of 1% by volume, which, as established in the preliminary tests conducted by the authors, is the op-timal percentage of reinforcement. The tests were performed on prisms and cubes measuring 100x100x400 mm and 100x100x100 mm, respectively, aged for 28 days.Four groups of prisms and cubes were manufactured. One - from usual concrete (with the sizes of large aggr

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Hotala, Eugeniusz, and Rajmund Ignatowicz. "Effect of settlement of foundations on the failure risk of the bottom of cylindrical steel vertical tanks for liquids." Studia Geotechnica et Mechanica 41, no. 3 (2019): 171–76. http://dx.doi.org/10.2478/sgem-2019-0017.

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AbstractDifferent types of foundations are used in steel, above-ground cylindrical storage tanks for liquids. If a sand-gravel foundation is used under the entire bottom of the tank or only in the central part of the tank, settlement can be expected, and it increases after many years of operation. The paper presents the typical kinds and types of soil settlements under the bottoms of the tanks, in which different types of foundations were used. Numerical analyses of the effect of the soil settlement on the state of deformations and stresses in steel sheets of the bottom under one of the real t

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Liu, Xiu Xiu, Guang Li Sun, and Chao Sun. "2D Finite Element Analysis of a Excavation Supporting Types in Changchun City." Applied Mechanics and Materials 536-537 (April 2014): 1589–93. http://dx.doi.org/10.4028/www.scientific.net/amm.536-537.1589.

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In this paper, By using a large common ABAQUS finite element software to simulate a hospital,s deep foundation pit excavation process in Changchun, Contrasting respectively pile-anchor retaining structure which had been adopted in the project with pile-strut bracing structure. Obtaining stress and deformation of soil and the stress and deformation of pile under the two supporting types, Analysis of the two supporting types feature only from the perspective of the force and deformation in foundation soil and piles, To provide a reference for future support in deep foundation excavation work.

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Fan, Xuan, Hailin Wang, Chaoran Xie, Mingfeng Lei, and Chenjie Gong. "Numerical Modeling and Optimization Design of Embedded Rubber Waterstops in Tunnel Lining." Polymers 17, no. 3 (2025): 421. https://doi.org/10.3390/polym17030421.

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Tunnel water leakage is a common issue. Embedded rubber waterstops are crucial in ensuring the waterproofing performance of mountain tunnels. The deformation performance of a rubber waterstop directly impacts its effectiveness, with structural parameters playing a key role. This study employs numerical simulation methods to quantitatively assess the impact of structural parameters—such as the central hole, ribs, and flanges—on the deformation performance of waterstops. The parametric analysis reveals significant variations in how different structural components affect the deformation performan

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Bjo¨rklund, S. "A Random Model for Micro-Slip Between Nominally Flat Surfaces." Journal of Tribology 119, no. 4 (1997): 726–32. http://dx.doi.org/10.1115/1.2833877.

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A random surface model has been developed for the deformations of contacting surfaces subjected to both normal and tangential load. The model is restricted to nominally flat (rough) elastic surfaces in contact with perfectly flat (smooth) elastic surfaces. The deformations of the asperities are assumed to be independent of each other and the heights of the asperities are assumed to be randomly distributed. Depending on the height of an asperity, it will either slip or stick. The relation between tangential deformation and load will consequently be non-linear and this effect is often named micr

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Trishkina, L. I., A. I. Potekaev, A. A. Klopotov, T. V. Cherkasova, V. V. Kulagina, and N. N. Medvedev. "Evolution of dislocation substructure under deformation of ordered and disordered Pd3Fe alloy in the region of low stable structural-phase states." Izvestiya vysshikh uchebnykh zavedenii. Fizika 64, no. 1 (2021): 90–96. http://dx.doi.org/10.17223/00213411/64/1/90.

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The results of an electron microscopy study of the evolution of the dislocation structure of a polycrystalline ordered and disordered Pd3Fe alloy in the region of weakly stable structural-phase States are presented. The scheme of rearrangement of dislocation substructures during the transition from stage to stage, which are highlighted on the deformation curves of the Pd3Fe alloy, is constructed. It is established that in the case of both disordered and ordered alloys, each stage of deformation is characterized by its own special types of dislocation substructure (DSS), which are the main carr

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EL-GHOUL, M., and M. M. AL-SHAMIRI. "SOME TYPES OF DYNAMICAL 3-DIMENSIONAL BRAID." International Journal of Geometric Methods in Modern Physics 05, no. 05 (2008): 755–64. http://dx.doi.org/10.1142/s0219887808003107.

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In this article we introduce the dynamical 3-dimensional braid and its braid group, and we introduce the deformation retract of dynamical 3-dimensional braid. The limit of all types of dynamics is described.

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Song, Xiong, Tongjun Chen, and Dengliang Zhang. "The Acoustic Characteristics of Tectonically Deformed Coal in Huaibei Coalfield." Energies 16, no. 13 (2023): 5179. http://dx.doi.org/10.3390/en16135179.

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Tectonically deformed coal (TDC) is closely related to gas outbursts. Since TDC exploration is an essential objective for coalfield exploration, it is of great significance to study the petrophysical properties of TDCs and explore their differences. This study collected 17 TDCs and undeformed coal samples from the Huaibei coalfield and ultrasonically tested their petrophysical parameters, including densities, P- and S-wave velocities, and their derived petrophysical parameters (VP/VS ratio, P- and S-wave impedances). Undeformed coal and TDCs with different deformation types (brittle, shear, an

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Panton, S. M., S. D. Zhu, and J. L. Duncan. "Fundamental deformation types and sectional properties in roll forming." International Journal of Mechanical Sciences 36, no. 8 (1994): 725–35. http://dx.doi.org/10.1016/0020-7403(94)90088-4.

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Kuznetsov, A. P., and M. V. Kosarev. "Standard types of temperature deformation in metal-cutting machines." Russian Engineering Research 34, no. 5 (2014): 330–33. http://dx.doi.org/10.3103/s1068798x14050074.

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Gromov, O., I. Mehmani, E. Babaev, and D. Ashrafov. "THE IMPACT OF PERIODONTAL DISEASE ON THE OCCURRENCE OF VARIOUS TYPES OF SECONDARY DEFORMATION AND THEIR PREVALENCE." Sciences of Europe, no. 90 (April 4, 2022): 34–36. https://doi.org/10.5281/zenodo.7347199.

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The aim of our study was to identify and spread species secondary deformation of the dentition, the cause of which was periodontal disease. We examined 519 patients. survey results show that the most common various types of compatible deformations and fan-shaped divergence teeth. Of the compatible ones, the fan-shaped discrepancy with inclination, rotation and position of teeth in different variants. Recently, the prevalence of secondary deformity has sharply increased. In people over 40, it is more common than caries. Aim of our study was to establish the prevalence of secondary deformities o

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Lin, Meng Ju, Chung Li Hwan, and Yun Ju Chou. "Effect of Residual Gradient Stress of Cantilever Plate Structure Deposited Metal Layers with Different Constraints on Deformation." Advanced Materials Research 83-86 (December 2009): 497–504. http://dx.doi.org/10.4028/www.scientific.net/amr.83-86.497.

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Cantilever plate structure deposited metal layer is widely used MEMS. Due to mismatch of thermal expansion coefficients between structure and metal layers, residual gradient stress would be induced and deform structure as devices cooling down from process high temperature to room temperature. In this work, constraints effect is investigated. There are three constraints discussed and could be fabricated by back etching, isotropic wet etching, and anisotropic dry etching. For detail analysis, finite element method is used to analyze. Different width and length of structure sizes are used to disc

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Bragov, A. M., A. K. Lomunov, and T. N. Yuzhina. "DYNAMIC COMPRESSIBILITY OF BIRCH AT DIFFERENT TYPES OF STRESS-STRAINED STATE." Problems of strenght and plasticity 82, no. 3 (2020): 269–82. http://dx.doi.org/10.32326/1814-9146-2020-82-3-269-282.

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The results of dynamic tests for compression across the fibers at room temperature of birch samples with air humidity are presented. Dynamic tests were carried out on a setup with a split Hopkinson bar according to the Kolsky method at a strain rate of ~2000 s–1. To assess the effect of the type of stress-strain state on the behavior of the material, in addition to specimens in the form of cylinders with its free expansion during loading (uniaxial stress state condition), specimens were tested in a rigid casing that prevents the radial expansion of the specimen (uniaxial deformation condition)

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Bohdanova, Milena, and Oleh Hnylko. "DEFORMATION STRUCTURES IN BROKEN FORMATIONS AND MELANGE ZONES OF THE OUTER UKRAINIAN CARPATHIANS." SCIENTIFIC PAPERS OF DONNTU Series: “The Mining and Geology”, no. 2(30) (2023): 90–97. http://dx.doi.org/10.31474/2073-9575-2023-2-30-90-97.

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Purpose. The purpose of the work is to characterize exposed small deformation structures associated with broken formations and mélange zones, and an attempt to clarify their genesis. Method. The research methodology is based on elements of structural analysis, the description of deformation structures was given in accordance with the characteristics of similar structures in works [7-9]. Results. In the studied outcrops of the Ukrainian Outer Carpathians, some mesostructural forms developed in zones of distribution of tectonic melange and broken formations are characterized, including small fol

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Freitas, Maria Carolina, Adilaine Moreira, Rerisson Mota, Fernando Spânghero, Sérgio Filho, and Miguel Rodrigues. "Influence of Heat Treatment on Values of a Strain of Interstitial Free Steel." Materials Science Forum 783-786 (May 2014): 726–31. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.726.

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This study aimed to investigate how the heat treatment can influence the strain values of an IF steel observing the different values of the tensile, rupture and drain that were recorded during the tensile test. We analyzed five samples of the specimen (CP) using different combinations of heat treatments to enable evaluation of the behavior of material deformation by tensile test. The evaluation was performed using the deformation calculation of the ratio between the axial and radial deformations (anisotropy parameter). The results indicate how different types of thermal treatments influenc

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Ługowska, Katarzyna, and Elżbieta Kondera. "Developmental anomalies in ide (Leuciscus idus L.) larvae caused by copper and cadmium." Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego 16, no. 3 (2020): 37–51. http://dx.doi.org/10.5604/01.3001.0014.3996.

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<b>Ide embryos were incubated in 0.1 mg dm<sup>3</sup> of Cu or Cd or in clean tap water (control). Both metals significantly decreased swelling of eggs. They reduced the rate of embryonic development and the hatching rate. Six types of body malformations were found in newly hatched larvae: spine curvature, C-shaped body, head deformation, yolk sac deformation, heart oedema, and reduced body length. Only the first two types of deformations were observed in the control, while more severe malformations were found following Cu and Cd exposure. Copper exerted a detrimental effect

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ANCO, STEPHEN C. "GAUGE THEORY DEFORMATIONS AND NOVEL YANG–MILLS CHERN–SIMONS FIELD THEORIES WITH TORSION." International Journal of Geometric Methods in Modern Physics 01, no. 04 (2004): 493–544. http://dx.doi.org/10.1142/s0219887804000265.

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A basic problem of classical field theory, which has attracted growing attention over the past decade, is to find and classify all nonlinear deformations of linear abelian gauge theories. The physical interest in studying deformations is to address uniqueness of known nonlinear interactions of gauge fields and to look systematically for theoretical possibilities for new interactions. Mathematically, the study of deformations aims to understand the rigidity of the nonlinear structure of gauge field theories and to uncover new types of nonlinear geometrical structures. The first part of this pap

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Bhupal, Mohan, and Kaoru Ono. "Symplectic fillings of links of quotient surface singularities." Nagoya Mathematical Journal 207 (September 2012): 1–45. http://dx.doi.org/10.1017/s0027763000022297.

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AbstractWe study symplectic deformation types of minimal symplectic fillings of links of quotient surface singularities. In particular, there are only finitely many symplectic deformation types for each quotient surface singularity.

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Pedersen, S. A. Schack. "Superimposed deformation in glaciotectonics." Bulletin of the Geological Society of Denmark 46 (January 18, 1999): 125–44. http://dx.doi.org/10.37570/bgsd-1999-46-11.

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The identification of glaciotectonic structures is an exclusive field for the structural geologist. The structures comprise a series of different types and regimes. The sequential development of the glaciotectonic structures reflects superimposed subglacial and proglacial deformation processes. The glaciotectonic structures may involve earlier formed structures thus superimposed by the glaciotectonics, or the glaciotectonic structures may eventually be overprinted by neotectonic deformations. Four different superimposed settings may be distinguished: 1) glaciotectonic deformation superimposed

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