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Artykuły w czasopismach na temat „Large deformation”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Speich, Marco, Wolfgang Rimkus, Markus Merkel, and Andreas Öchsner. "Large Deformation of Metallic Hollow Spheres." Materials Science Forum 623 (May 2009): 105–17. http://dx.doi.org/10.4028/www.scientific.net/msf.623.105.

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Hollow sphere structures are a new group of advanced lightweight materials for multifunctional applications. Within the scope of this paper, the uniaxial deformation behaviour in the regime of large deformations is investigated. Appropriate computational models are developed to account for the deformation mechanisms occurring under high deformations. Macroscopic stress-strain curves are derived and the influence of different material parameters is investigated.

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2

Fan, Jinyan, Zhibiao Guo, Xiaobing Qiao, Zhigang Tao, Fengnian Wang, and Chunshun Zhang. "Constant Resistance and Yielding Support Technology for Large Deformations of Surrounding Rocks in the Minxian Tunnel." Advances in Civil Engineering 2020 (September 28, 2020): 1–13. http://dx.doi.org/10.1155/2020/8850686.

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During the excavation of the Minxian tunnel, problems of large deformations of surrounding rocks and failure of support structures appeared frequently, which caused serious influences on construction safety and costs of the tunnel. Based on laboratory analysis of mineral composition and field investigations on deformation characteristics of the surrounding rocks, the large deformation mechanism of surrounding rocks of the tunnel was considered as water-absorbing swelling molecules of carbonaceous slate and stress-induced asymmetric structural deformations of the surrounding rocks. The structur

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3

Zhao, Gang, Liuyu Wang, Kazhong Deng, et al. "An Adaptive Offset-Tracking Method Based on Deformation Gradients and Image Noises for Mining Deformation Monitoring." Remote Sensing 13, no. 15 (2021): 2958. http://dx.doi.org/10.3390/rs13152958.

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The offset-tracking method (OTM) utilizing SAR image intensity can detect large deformations, which makes up for the inability of interferometric synthetic aperture radar (InSAR) technology in large mining deformation monitoring, and has been widely used. Through lots of simulation experiments, it was found that the accuracy of OTM is associated with deformation gradients and image noises in the cross-correlation window (CCW), so CCW sizes should be selected reasonably according to deformation gradients and noise levels. Based on the above conclusions, this paper proposes an adaptive CCW selec

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4

Sekhon, G. S. "Large Deformation II." Defence Science Journal 53, no. 2 (2003): 25–26. http://dx.doi.org/10.14429/dsj.53.2262.

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Sekhon, G. S. "Large Deformation -I." Defence Science Journal 53, no. 1 (2003): 3–4. http://dx.doi.org/10.14429/dsj.53.2270.

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6

Bruhns, Otto T. "Large deformation plasticity." Acta Mechanica Sinica 36, no. 2 (2020): 472–92. http://dx.doi.org/10.1007/s10409-020-00926-7.

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7

LIU, S. J., H. WANG, and H. ZHANG. "SMOOTHED FINITE ELEMENTS LARGE DEFORMATION ANALYSIS." International Journal of Computational Methods 07, no. 03 (2010): 513–24. http://dx.doi.org/10.1142/s0219876210002246.

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The smoothed finite element method (SFEM) was developed in order to eliminate certain shortcomings of the finite element method (FEM). SFEM enjoys some of the flexibilities of meshfree methods. One advantage of SFEM is its applicability to modeling large deformations. Due to the absence of volume integration and parametric mapping, issues such as negative volumes and singular Jacobi matrix do not occur. However, despite these advantages, SFEM has never been applied to problems with extreme large deformation. For the first time, we apply SFEM to extreme large deformations. For two numerical pro

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8

Trajkovic-Milenkovic, Marina, and Otto Bruhns. "Numerical analysis of finite hypo-elastic cyclic deformation with large rotations." Facta universitatis - series: Architecture and Civil Engineering 17, no. 3 (2019): 299–313. http://dx.doi.org/10.2298/fuace190513006t.

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Constitutive relations which describe engineering materials behaviour during the finite elastoplastic deformations are usually presented in the form of rates of stresses and strains. One of the possible approaches in the constitutive relations formulation is the additive decomposition of the total deformation rate into its elastic part and its plastic part. The elastic deformation rate contributes to any elastoplastic deformation at any stage. Hence, its exact and well-considered formulation is of particular importance and it has to be properly predicted by the corresponding material law. This

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9

Wang, Ren Zuo, Shih Hung Chen, Chao Hsun Huang, Bing Chang Lin, and Chung Yue Wang. "Large Deformation Analysis of Buried Pipeline." Applied Mechanics and Materials 405-408 (September 2013): 759–62. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.759.

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In this paper, a set of the procedures of the numerical simulation for the buried pipeline is proposed. These numerical procedures are used to compute the large deformations of the buried pipeline through the fault. In order to simulate the fault slip, displacement control is adopted. The geometric and material nonlinearity of buried pipe are considered. The beam elements are used to calculate the buckling deformation of the pipe. The ASCE (1984) soil spring models (SSM) are used to model the interaction of deformation of the soil and the buried pipe. In order to confirm rationality of numeric

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10

Ostertag, Oskar, Eva Ostertagová, and Ladislav Novotný. "Analytical and Numerical Solution of Large Actuator Deformation." Applied Mechanics and Materials 816 (November 2015): 96–102. http://dx.doi.org/10.4028/www.scientific.net/amm.816.96.

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This paper deals with the possibility of controlled deformation of the actuator of a flexible system. In the solution, large deformations of the actuator have been assumed. The model was made of a material capable of large deformations caused by internal pressure. The internal pressure was let into the cavities located in the actuator. The solution was realized analytically and numerically. The results show the relevance of the stated proposal.

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11

Fashanu, T. A., A. T. Adebusoye, A. A. Oyediran, and O. O. Adewumi. "Dynamic analysis of the large strain deformation of flexible pipes conveying two-phase fluids. Part II: nonlinear vibration analysis." Nigerian Journal of Technology 42, no. 1 (2023): 130–35. http://dx.doi.org/10.4314/njt.v42i1.16.

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This work presents the nonlinear analysis of the dynamics of large strain deformation of subsea flowlines and jumpers conveying two-phase fluid. Precisely, flexible pipes operating in the stated condition undergo large strain deformations. Thus, the known nonlinear deterministic model of the system is solved using method of discretized perturbation. Precisely, this study obtained the nonlinear natural frequency of simply supported flexible pipes modelled using the large strain deformation theory. Results show that both hardening and softening nonlinear behaviors are indicated for pipe undergoi

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12

Ishii, Yoshie, Junichi Susaki, Akane Kurihara, et al. "Landslide Risk Assessment along Roads by Using Radar-driven Land Deformation and Rainfall Data." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLVIII-3-2024 (November 7, 2024): 231–37. http://dx.doi.org/10.5194/isprs-archives-xlviii-3-2024-231-2024.

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Abstract. To prevent damage from landslide disasters, traffic regulation based on records is implemented before disasters occur in Japan. Logistics and accordingly economic activities are halted once the traffic regulation is implemented. There are problems that the operation of the traffic regulation tends to be redundant in terms of temporal duration and spatial coverage. In this paper, to consider the effect of topography and land deformation and resolve the problems of redundant traffic regulation, we attempted to predict the land deformation using spatio-temporal statistical models whose

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13

Begun, A. S., A. A. Burenin, and L. V. Kovtanyuk. "LARGE DEFORMATIONS AND HEATING OF ELASTOVISCOPLASTIC MATERIAL IN A CYLINDRICAL VISCOMETER." Mechanics of Solids 57, no. 3 (2022): 532–42. http://dx.doi.org/10.3103/s0025654422030062.

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Abstract A solution for a coupled thermomechanical boundary value problem of the theory of large deformations that simultaneously takes into account the intense deformation of an elastoviscoplastic material and its heating due to such deformation and near-wall friction is constructed. The conditions for the emergence and development of a viscoplastic flow in the material of a cylindrical layer enclosed between rigid surfaces, one of which has the ability to rotate under the action of a changing given load relative to the axis of the viscometer, are calculated. At all stages of the process from

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14

Solomon, Sean C. "Earth deformation, writ large." Nature Geoscience 2, no. 10 (2009): 679. http://dx.doi.org/10.1038/ngeo650.

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15

Bleher, Frauke M. "Large universal deformation rings." Proceedings of the American Mathematical Society 142, no. 9 (2014): 3039–47. http://dx.doi.org/10.1090/s0002-9939-2014-12104-6.

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16

Rückert, Jens, and Arnd Meyer. "Large deformation and plates." PAMM 12, no. 1 (2012): 669–70. http://dx.doi.org/10.1002/pamm.201210323.

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17

le Joncour, Lea, Benoit Panicaud, Andrzej Baczmanski, Manuel François, Chedly Braham, and Anna Maria Paradowska. "Large Deformation and Mechanical Effects of Damage in Aged Duplex Stainless Steel." Materials Science Forum 652 (May 2010): 155–60. http://dx.doi.org/10.4028/www.scientific.net/msf.652.155.

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The lattice strains in large tensile deformations, up to the fracture of the sample were measured using neutron TOF method. For the first time, the range of large deformation was studied measuring lattice strain in the deformation neck and using special correction for macrostress value. It was found that during large plastic deformation the lattice stresses arise almost linearly with the macrostress value. The relaxation of elastic strains in some groups of ferritic grains (corresponding to reflections 211 and 200) can be connected with initiation of damage process in the ferritic phase.

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18

He, Jiandong, Chong Wu, and Yining Jia. "A GPU-Accelerated 3D Mesh Deformation Method Based on Radial Basis Function Interpolation." Mathematical Problems in Engineering 2022 (October 13, 2022): 1–8. http://dx.doi.org/10.1155/2022/6018008.

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In this paper, we developed a GPU parallelized 3D mesh deformation based on the radial basis function (RBF) interpolation using NVIDIA CUDA C++. The RBF mesh deformation method interpolates displacements of the boundary nodes to the whole mesh, which can handle large mesh deformations caused by translations, rotations, and deformations. However, the computational performance of RBF mesh deformation depends on the quantity of grids. For 3D mesh deformation, especially for mesh with large number of boundary nodes, RBF interpolation has been verified computationally intensive. By introducing GPU

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19

Du, Qian, Piao Wang, and Dongdong Li. "Aircraft deicing based on large vibration of wings." PLOS ONE 19, no. 9 (2024): e0308358. http://dx.doi.org/10.1371/journal.pone.0308358.

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Since aircraft icing will decrease the ability of aircraft to generate lift, it is significant to consider the aircraft deicing problem. The paper presents an aircraft deicing method based on the cracking of the ice layer caused by the large deformations of wings. To describe the deformation of wings, the absolute coordinate-based formulation is used. The aircraft with high aspect ratio wings is simplified as a hub-beam system. Such a rigid-flexible system with the fast rotation speed of hub and the large deformation of the beam is modeled using absolute coordinate-based formulation accurately

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20

Utyashev, F. Z., A. V. Botkin, E. P. Volkova, and R. Z. Valiev. "Rational Methods of Plastic Deformation Providing Formation of Ultrafine-Grained Structure in Large-Sized Products." Reviews on Advanced Materials and Technologies 6, no. 1 (2024): 12–23. http://dx.doi.org/10.17586/2687-0568-2024-6-1-12-23.

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Based on the peculiarities of plastic deformation mechanics and physical mesomechanics, the processes are considered and technological schemes for their realization are proposed to ensure the formation of ultrafine-grained structure in axisymmetric products of large sizes. Deformation of coarse-grained materials in temperature-velocity conditions of superplastic deformation and methods of severe plastic deformation are taken as methods of preparation of such a structure. All of these deformations include large strain, and they are carried out at low hydraulic press speeds, but at different tem

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21

Fetisov, V. Р. "Structural aspects of deformation hardening with repeated drawing low carbon wire." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 2 (May 31, 2022): 44–49. http://dx.doi.org/10.21122/1683-6065-2022-2-44-49.

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While repeated drawing of low carbon wire, a decrease in the grain size of ferrite reduces the parameters of deformation hardening in the initial field of deformations with parabolic hardening and increases in the field of substructural hardening with large and extra‑large total compressions. The transition from large to super‑large total deformations goes along with the development of dynamic return processes that reduce the rate of deformation hardening. Preliminary thermal softening of cold‑formed wire increases the strength gain during subsequent drawing and can be used to increase the tot

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22

Hao, Yang, Chunhui Liu, Yu Wu, Hai Pu, Kai Zhang, and Lingling Shen. "Analysis of Stress and Deformation on Surrounding Rock Mass of a Trapezoidal Roadway in a Large Inclination Coal Seam and Novel High Yielding Prop Support: A Case Study." Mathematics 11, no. 2 (2023): 319. http://dx.doi.org/10.3390/math11020319.

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Trapezoidal roadways in large inclination coal seams show asymmetrical tectonic characteristics, while there is still a lack of theoretical results on stress, deformation, and efficient and effective supporting methods on high walls. In this paper, based on the geological characteristics of a large, inclined coal seam roadway, a mechanical model for stress–deformation analysis of trapezoidal section roadway was established. Complex analysis and a comfort map were employed to investigate the stress and deformation distribution on the roadway surface, and a novel yielding prop with high load cap

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23

Trimulyono, Andi, and Ardhana Wicaksono. "Simulasi numerik large-deformation surface wave dengan smoothed particle hydrodynamics." Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan 15, no. 3 (2019): 102–6. http://dx.doi.org/10.14710/kapal.v15i3.21535.

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24

Wang, Jie, Dongxu Li, and Jianping Jiang. "Thermally induced deformation of ultra-large truss support membrane structure." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 231, no. 13 (2016): 2502–12. http://dx.doi.org/10.1177/0954410016667145.

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Large space structures experience changing thermal environment during orbiting the earth. The resultant temperature gradients induce structural deformations that may downgrade performance of payloads conducting high precision missions and even affect stability of the spacecraft. So, it is extremely important to analyze thermally induced deformation of large space structures for routine operation. In this paper, the ultra-large truss support membrane structure on satellite is characterized and studied. The methodology of thermal quasi-static deformation is formulated and the procedure of thermo

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25

Dolzhenko, Anastasiia, Marina Tikhonova, Rustam Kaibyshev, and Andrey Belyakov. "Microstructures and Mechanical Properties of Steels and Alloys Subjected to Large-Strain Cold-to-Warm Deformation." Metals 12, no. 3 (2022): 454. http://dx.doi.org/10.3390/met12030454.

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The effect of large-strain cold-to-warm deformation on the microstructures and mechanical properties of various steels and alloys is critically reviewed. The review is mainly focused on the microstructure evolution, whereas the deformation textures are cursorily considered without detailed examination. The deformation microstructures are considered in a wide strain range, from early straining to severe deformations. Such an approach offers a clearer view of how the deformation mechanisms affect the structural changes leading to the final microstructures evolved in large strains. The general re

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26

Diao, Xinpeng, Quanshuai Sun, Jing Yang, Kan Wu, and Xin Lu. "A Novel Deformation Extraction Approach for Sub-Band InSAR and Its Application in Large-Scale Surface Mining Subsidence Monitoring." Sustainability 15, no. 1 (2022): 354. http://dx.doi.org/10.3390/su15010354.

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Differential synthetic aperture radar interferometry (InSAR) is widely used to monitor ground surface deformation due to its wide coverage and high accuracy. However, the large-scale and rapid deformation that occurs in mining areas often leads to densely spaced interference fringes, thus, severely limiting the applicability of D-InSAR in mining subsidence monitoring. Sub-band InSAR can reduce phase gradients in interferograms by increasing the simulated wavelength, thereby characterising large-scale surface deformations. Nonetheless, accurate registration between non-overlapping sub-band imag

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27

Gao, Lin, Jie Yang, Bo-Tao Zhang, et al. "Real-time Large-scale Deformation of Gaussian Splatting." ACM Transactions on Graphics 43, no. 6 (2024): 1–17. http://dx.doi.org/10.1145/3687756.

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Neural implicit representations, including Neural Distance Fields and Neural Radiance Fields, have demonstrated significant capabilities for reconstructing surfaces with complicated geometry and topology, and generating novel views of a scene. Nevertheless, it is challenging for users to directly deform or manipulate these implicit representations with large deformations in a real-time fashion. Gaussian Splatting (GS) has recently become a promising method with explicit geometry for representing static scenes and facilitating high-quality and real-time synthesis of novel views. However, it can

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28

Zhang, Qing Ping, and Zhi Geng Fan. "Large Deformations of Low Density Open-Cell Elastomeric Foams: Kelvin Model Study." Applied Mechanics and Materials 117-119 (October 2011): 550–55. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.550.

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Based on Kelvin model, the large deformations of elastomeric foams were simulated by finite element method (FEM). Numerical results indicated that edge bending, edge stretching and edge torsion were important deformation mechanisms of low density open-cell Kelvin foam. The hyperelasticity of the cell material had little effect on the macro-mechanical properties of the foam at low strain in [111] direction and finite compressive strain in [100] direction when edge bending was the main deformation mechanism of the foams. With the increase of the uniaxial tensile strain, edge stretching played no

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29

Du, Xin. "Modal Analysis and Design on the Base Plate of Large-Scale Linear Vibration Screen." Applied Mechanics and Materials 155-156 (February 2012): 514–18. http://dx.doi.org/10.4028/www.scientific.net/amm.155-156.514.

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Large-scale vibration screen produced modal deformation under the influence of their quality. They often leaded to destruction in the linear vibration screen. This damage often occurred in side plates and screen boxes. Because rivets connected the side plate, it was individually analyzed. There were large deformation of linear vibration screen ZX3175 by computer software COSMOSWorks. The nature frequency of the screen plate was close to the screen source. There were large modal deformations at the edge of the plate. This was the main reason for fatigue damage of the plate. This paper put forwa

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30

Glimm, James G., Bradley J. Plohr, and David H. Sharp. "Conservative Formulation of Large Deformation Plasticity." Applied Mechanics Reviews 46, no. 12 (1993): 519–26. http://dx.doi.org/10.1115/1.3120313.

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We explain several ideas which may, either singly or in combination, help achieve high resolution in simulations of large-deformation plasticity. Because of the large deformations, we work in the Eulerian picture. The governing equations are written in a fully conservative form, which are correct for discontinuous as well as continuous solutions. Models of shear bands are discussed. These models describe the internal dynamics of a developed shear band in terms of time-asymptotic states; in other words, the smooth internal structure is replaced by a jump discontinuity, and the shear band evolut

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31

Ha, In Young, Matthias Wilms, and Mattias Heinrich. "Semantically Guided Large Deformation Estimation with Deep Networks." Sensors 20, no. 5 (2020): 1392. http://dx.doi.org/10.3390/s20051392.

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Deformable image registration is still a challenge when the considered images have strong variations in appearance and large initial misalignment. A huge performance gap currently remains for fast-moving regions in videos or strong deformations of natural objects. We present a new semantically guided and two-step deep deformation network that is particularly well suited for the estimation of large deformations. We combine a U-Net architecture that is weakly supervised with segmentation information to extract semantically meaningful features with multiple stages of nonrigid spatial transformer

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Wu, C. L., Z. R. Wang, and Wen Zhang. "Research of Formation Mechanics on Nanostructured Chips by Multi-Deformations Based on Finite Element Method." Advanced Materials Research 989-994 (July 2014): 352–55. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.352.

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Formation of chip is a typical severe plastic deformation progress in machining which is only single deformation stage. The rake angle of tool is governing parameter to create large strain imposed in the chip. Effect of rake angle and deformation times on effective strain, mean strain, strain variety and strain rate imposed in the chip are researched respectively. The result of simulation have shown that the chip with large strain and better uniform of strain along the longitudinal section of chip can be produced with negative rake angle at some lower cutting velocity by multi-deformations in

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33

Gurao, N. P., and Satyam Suwas. "Deformation mechanisms during large strain deformation of nanocrystalline nickel." Applied Physics Letters 94, no. 19 (2009): 191902. http://dx.doi.org/10.1063/1.3132085.

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Hussein, Bassam A., Hiroyuki Sugiyama, and Ahmed A. Shabana. "Coupled Deformation Modes in the Large Deformation Finite-Element Analysis: Problem Definition." Journal of Computational and Nonlinear Dynamics 2, no. 2 (2006): 146–54. http://dx.doi.org/10.1115/1.2447353.

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In the classical formulations of beam problems, the beam cross section is assumed to remain rigid when the beam deforms. In Euler–Bernoulli beam theory, the rigid cross section remains perpendicular to the beam centerline; while in the more general Timoshenko beam theory the rigid cross section is permitted to rotate due to the shear deformation, and as a result, the cross section can have an arbitrary rotation with respect to the beam centerline. In more general beam models as the ones based on the absolute nodal coordinate formulation (ANCF), the cross section is allowed to deform and it is

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35

Kovtanyuk, L. V. "ANALYTICAL SOLUTION OF THE CREEP PROBLEM VISCOELASTIC MATERIAL IN A ROUND TUBE." Доклады Российской академии наук. Физика, технические науки 513, no. 1 (2023): 67–71. http://dx.doi.org/10.31857/s2686740023060111.

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Using a mathematical model of large deformations of materials with elastic, plastic and viscous properties, an analytical solution was obtained for deformation under creep conditions of a bung in a round tube with a varying pressure drop. The motion is considered taking into account the sliding of the material in the vicinity of the rigid wall of the pipe and its deformation under increasing, constant and decreasing pressure. Displacements, reversible and irreversible deformations, stresses at all stages of deformation, including residual deformations and stresses at full unloading are calcula

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Pan, Peng, Yu Zhang, Shi Yan Song, and Lie Ping Ye. "Factors Influencing Maximum and Residual Deformations of SDOF Systems Subjected to Large Ground Motions." Advanced Materials Research 243-249 (May 2011): 170–77. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.170.

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The maximum and residual deformations of structures subjected to strong ground motions are the most importance indexes, particularly under the performance-based design framework, thus understanding the influencing factors is of great importance to seismic design. In this study, single degree of freedom (SDOF) systems with varying structural properties are analyzed using a series of strong ground motions from FEM/SAC project. The influences of three structural parameters, i.e., yield force, second stiffness after yielding, and stiffness degradation, on the maximum and residual deformations are

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Vyatkin, Sergey I., and Boris S. Dolgovesov. "Method of anisotropic deformation of elastic materials based on free-form patches." BOHR Journal of Biocomputing and Nano Technology 1, no. 2 (2023): 52–57. http://dx.doi.org/10.54646/bjbnt.2023.11.

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A method of anisotropic deformation of elastic materials based on free-form patches for biomechanics problems is presented. The method provides an analysis of the anisotropic hyperelasticity of transverse isotropy. For this purpose, fast and efficient Newton solutions are used. An invariant of anisotropic deformation is proposed, with the help of which side states of energy are eliminated at large deformation. The method is also used to restore finite elements. Because of this, it is possible to model large deformations, including for grids containing degenerate elements.

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Vyatkin, Sergey I., and Boris S. Dolgovesov. "Method of anisotropic deformation of elastic materials based on free-form patches." BOHR International Journal of Biocomputing and Nano Technology 2, no. 1 (2023): 8–13. http://dx.doi.org/10.54646/bijbnt.2023.12.

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A method of anisotropic deformation of elastic materials based on free-form patches for biomechanics problems is presented. The method provides an analysis of the anisotropic hyperelasticity of transverse isotropy. For this purpose, fast and efficient Newton solutions are used. An invariant of anisotropic deformation is proposed, with the help of which side states of energy are eliminated at large deformation. The method is also used to restore finite elements. Because of this, it is possible to model large deformations, including for grids containing degenerate elements.

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39

Barbič, Jernej, and Yili Zhao. "Real-time large-deformation substructuring." ACM Transactions on Graphics 30, no. 4 (2011): 1–8. http://dx.doi.org/10.1145/2010324.1964986.

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Panoskaltsis, Vassilis, Lazaros Polymenakos, and Dimitris Soldatos. "On large deformation generalized plasticity." Journal of Mechanics of Materials and Structures 3, no. 3 (2008): 441–57. http://dx.doi.org/10.2140/jomms.2008.3.441.

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Levin, V. A. "Repeatedly superimposed large elastic deformation." International Journal of Fracture 79, no. 1 (1996): R11—R15. http://dx.doi.org/10.1007/bf00017717.

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Obozov, V. I., O. I. Ponomarev, and A. Yu Ivanova. "Deformation of large stones masonry." Bulletin of Science and Research Center of Construction 37, no. 2 (2023): 107–15. http://dx.doi.org/10.37538/2224-9494-2023-2(37)-107-115.

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Introduction. The paper investigates the stress-strain state of masonry walls made of large ceramic stones with dry vertical tongue and groove joints.Aim: to study the distribution of vertical stresses in masonry of large ceramic stones with vertical tongue and groove joints not filled with mortar.Materials and methods. The study was performed on the model of the wall section. Numerical study of the stress state of the wall masonry at a concentrated load was carried out for masonry with chain bond. The wall fragment was modeled by solid finite elements.Results. It was found that under a concen

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Lutchenko, N., А. Arbuz, А. Kawalek, et al. "Study of the influence of large shear strains and vortex flow of metal on the formation of an equiaxed ultrafine-grained structure of the E110 zirconium alloy by X-ray diffraction analysis." Engineering Journal of Satbayev University 144, no. 6 (2022): 24–32. http://dx.doi.org/10.51301/ejsu.2022.i6.04.

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In this work, the task was to investigate the processes of microstructure change occurring in relatively large bulk bars under the action of large plastic deformations. Such large levels of deformation are usually achievable in high pressure twisting of small flat disks, but are difficult to achieve in large bulk bars. The method of radial shear rolling makes it possible to achieve comparable ultrahigh degrees of deformation (~ 45 mm/mm) in combination with the vortex flow of the metal. Sequential rolling of the E110 zirconium alloy was carried out under extreme conditions on 2 radial shear ro

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Fang, Qiang, Weidong Chen, Anan Zhao, Changxi Deng, and Shaohua Fei. "Control system designing for correcting wing–fuselage assembly deformation of a large aircraft." Assembly Automation 37, no. 1 (2017): 22–33. http://dx.doi.org/10.1108/aa-01-2016-006.

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Purpose In aircraft wing–fuselage assembly, the distributed multi-point support layout of positioners causes fuselage to deform under gravity load, leading to assembly difficulty and assembly stress. This paper aims to propose a hybrid force position control method to balance aerodynamic shape accuracy and deformation of assembly area, thereby correcting assembly deformation and reducing assembly stress. Design/methodology/approach Force and position control axes of positioners are selected based on screw theory and ellipsoid method. The position-control axes follow the posture trajectory to a

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Karmarkar, Aditya P., Xiaopeng Xu, and Karim El-Sayed. "Temperature and Process Dependent Material Characterization and Multiscale Stress Evolution Analysis for Performance and Reliability Management under Chip Package Interaction." International Symposium on Microelectronics 2017, no. 1 (2017): 000013–24. http://dx.doi.org/10.4071/isom-2017-tp13_051.

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Abstract Distinct temperature and process dependent deformation behaviors under packaging temperature cycles are characterized for various packaging materials. Substrate and underfill deformations are described using Maxwell viscoelasticity model. Solder bump deformation is represented by incremental plasticity model. Anisotropic deformation in silicon and orthotropic deformation in substrate are also considered. The material deformation effects on stress evolutions during fabrication and under chip package interaction (CPI) are analyzed for a large package structure. Complex geometries spread

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Zhou, Changhong, Qing Zhong, Xuejiao Zhou, Xionghua Wu, and Shiyi Chen. "Research Advances in Large Deformation Analysis and Applications of the Material Point Method." Applied Sciences 15, no. 12 (2025): 6617. https://doi.org/10.3390/app15126617.

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Large deformation analysis is a crucial foundation for studying the nonlinear behavior and progressive damage of materials and structures. Traditional mesh methods often struggle with large-scale mesh distortion when dealing with such issues, which can compromise solution efficiency and accuracy, and in severe cases, even cause computational interruptions. In contrast, the material point method (MPM) employs a dual framework of Lagrangian particles and Eulerian background grids, effectively integrating the advantages of both Lagrangian and Eulerian approaches, thus avoiding mesh distortion and

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Liang, Wei, and Hidekazu Murakawa. "Predicting Welding Distortion in a Panel Structure with Longitudinal Stiffeners Using Inherent Deformations Obtained by Inverse Analysis Method." Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/601417.

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Welding-induced deformation not only negatively affects dimension accuracy but also degrades the performance of product. If welding deformation can be accurately predicted beforehand, the predictions will be helpful for finding effective methods to improve manufacturing accuracy. Till now, there are two kinds of finite element method (FEM) which can be used to simulate welding deformation. One is the thermal elastic plastic FEM and the other is elastic FEM based on inherent strain theory. The former only can be used to calculate welding deformation for small or medium scale welded structures d

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Ostertag, Oskar, Ladislav Novotný, and Eva Ostertagová. "Application of Differential Equations to Calculations of Large Deformations of Structural Members." Applied Mechanics and Materials 611 (August 2014): 400–404. http://dx.doi.org/10.4028/www.scientific.net/amm.611.400.

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The article discusses the application of differential equations to solve large deformations of the designed slender structural elements. The structural element under design has a variable circular cross-section in longitudinal direction. It is made of a composite material based on carbon fiber and is capable of large deformations. In the solution it was necessary to consider the nonlinear deformation theory, which led to the solution of a nonlinear differential equation of second order. The creation of the differential equation describing the line of elastic deformation of a significantly curv

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Ji, Yang, Chun Long Zhao, Peng Huang, and Wenxing Fang. "Large Deformation Analysis and Stability Recheck of a Large Slope during the Construction Process of a Certain Hydropower Station." Journal of Physics: Conference Series 3004, no. 1 (2025): 012071. https://doi.org/10.1088/1742-6596/3004/1/012071.

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Abstract During the excavation process of a certain hydropower station project, cracks and significant deformations emerged on the slope. To guarantee the stability of the slope and the safety of construction, based on the actual construction circumstances and monitoring data on site, a three-dimensional model of the slope was established in this paper. The strength reduction method was employed to conduct a recheck and analysis on the stability of the slope of the power plant. The results indicate that under the designed support plan, the safety factor of the construction condition is 1.301.

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Inoue, Ryo, Takuro Mori, and Shinya Matsumoto. "Effect of Numerous Small Deformations Due to Moderate Earthquakes on Seismic Response of Wooden Houses." Buildings 13, no. 4 (2023): 1062. http://dx.doi.org/10.3390/buildings13041062.

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In order to confirm the effect of multiple moderate earthquakes on the response deformation of wooden houses at the time of a major earthquake, an earthquake response analysis, considering performance deterioration due to repeated small deformations, was conducted. As a result, it was found that the effect of multiple moderate earthquakes on the mean response deformation during a major earthquake was small. On the other hand, in some cases, the response deformation was up to 1.2 times larger than that of the sound case. In the case of a house where the response deformation was near the criteri

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