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Journal articles on the topic 'Elastic analysis'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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1

Zheng, Qian, Elaine C. Davis, James A. Richardson, Barry C. Starcher, Tiansen Li, Robert D. Gerard, and Hiromi Yanagisawa. "Molecular Analysis of Fibulin-5 Function during De Novo Synthesis of Elastic Fibers." Molecular and Cellular Biology 27, no. 3 (February 1, 2007): 1083–95. http://dx.doi.org/10.1128/mcb.01330-06.

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ABSTRACT Elastic fibers contribute to the structural support of tissues and to the regulation of cellular behavior. Mice deficient for the fibulin-5 gene (fbln5 − / −) were used to further elucidate the molecular mechanism of elastic fiber assembly. Major elastic fiber components were present in the skin of fbln5 − / − mice despite a dramatic reduction of mature elastic fibers. We found that fibulin-5 preferentially bound the monomeric form of elastin through N-terminal and C-terminal elastin-binding regions and to a preexisting matrix scaffold through calcium-binding epidermal growth factor (EGF)-like (CB-EGF) domains. We further showed that adenovirus-mediated gene transfer of fbln5 was sufficient to regenerate elastic fibers and increase elastic fiber-cell connections in vivo. A mutant fibulin-5 lacking the first 28 amino acids of the first CB-EGF domain, however, was unable to rescue elastic fiber defects. Fibulin-5 thus serves as an adaptor molecule between monomeric elastin and the matrix scaffold to aid in elastic fiber assembly. These results also support the potential use of fibulin-5 as a therapeutic agent for the treatment of elastinopathies.

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2

Akiyama, Mari. "Elastic Fibers and F-Box and WD-40 Domain-Containing Protein 2 in Bovine Periosteum and Blood Vessels." Biomimetics 8, no. 1 (December 23, 2022): 7. http://dx.doi.org/10.3390/biomimetics8010007.

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Elastic fibers form vessel walls, and elastic fiber calcification causes serious vascular diseases. Elastin is a well-known elastic fiber component; however, the insoluble nature of elastic fibers renders elastic fiber component analysis difficult. A previous study investigated F-box and WD-40 domain-containing protein 2 (FBXW2) in the cambium layer of bovine periosteum and hypothesized that fiber structures of FBXW2 are coated with osteocalcin during explant culture. Here, FBXW2 was expressed around some endothelial cells but not in all microvessels of the bovine periosteum. The author hypothesized that FBXW2 is expressed only in blood vessels with elastic fibers. Immunostaining and Elastica van Gieson staining indicated that FBXW2 was expressed in the same regions as elastic fibers and elastin in the cambium layer of the periosteum. Alpha-smooth muscle actin (αSMA) was expressed in microvessels and periosteum-derived cells. Immunostaining and observation of microvessels with serial sections revealed that osteocalcin was not expressed around blood vessels at 6 and 7 weeks. However, blood vessels and periosteum connoted elastic fibers, FBXW2, and αSMA. These findings are expected to clarify the processes involved in the calcification of elastic fibers in blood vessels.

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3

Rahbar-Ranji, Ahmad. "Elastic tripping analysis of corroded flat-bar stiffeners." Odes’kyi Politechnichnyi Universytet. Pratsi, no. 3 (December 23, 2016): 11–15. http://dx.doi.org/10.15276/opu.3.50.2016.04.

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4

Setiyana, Budi, Imam Syafaat, Jamari Jamari, and DikJoe Schipper. "FRICTION ANALYSIS ON SCRATCH DEFORMATION MODES OF VISCO-ELASTIC-PLASTIC MATERIALS." Reaktor 14, no. 3 (February 3, 2013): 199. http://dx.doi.org/10.14710/reaktor.14.3.199-203.

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Understanding of abrasion resistance and associated surfaces deformation mechanisms is of primary importance in materials engineering and design. Instrumented scratch testing has proven to be a useful tool for characterizing the abrasion resistance of materials. Using a conical indenter in a scratch test may result in different deformation modes, like as elastic deformation, ironing, ductile ploughing and cutting. This paper presents the friction analysis of some deformation modes of visco-elastic-plastic behaving polymer materials, especially PEEK (poly ether ether ketone).In general, it is accepted that the friction consist of an adhesion and a deformation component, which can be assumed to be independent to each others. During a scratch test, the friction coefficient is influenced by some parameters, such as the sharpness of indenter, the deformation modes and the degree of elastic recovery. Results show that the adhesion component strongly influences the friction in the elastic and ironing deformation mode (scratching with a blunt cone), friction for the cutting deformation mode (scratching with a sharp cone) is dominantly influenced by the deformation component. From the analysis, it can be concluded that the adhesion friction model is suitable for ironing - elastic deformation mode and the deformation friction model with elastic recovery is good for cutting mode. Moreover, the ductile ploughing mode is combination of the adhesion and plastic deformation friction model. ANALISIS FRIKSI PADA BENTUK DEFORMASI AKIBAT GORESAN PADA MATERIAL VISKO-ELASTIK-PLASTIK. Pemahaman tentang ketahanan abrasi dan deformasi permukaan yang menyertainya merupakan hal yang penting dalam rekayasa dan disain material. Peralatan uji gores terbukti ampuh untuk menyatakan ketahanan abrasi dari material. Pemakaian indenter kerucut dalam uji gores akan menghasilkan beberapa bentuk deformasi seperti halnya deformasi elastik, penyetrikaan, plowing dan pemotongan. Paper ini menyajikan analisis friksi dari beberapa bentuk deformasi permukaan dari material visko-elastik-plastik, khususnya pada PEEK (poly ether ether ketone). Secara umum dinyatakan bahwa friksi terdiri dari komponen adhesi dan deformasi yang diasumsikan tidak bergantung satu sama lain. Selama uji gores, koefisien friksi dipengaruhi oleh beberapa parameter, seperti ketajaman indenter, bentuk deformasi dan pemulihan elastik. Hasil menunjukkan bahwa komponen adhesi sangat berpengaruh pada deformasi elastic dan penyetrikaan (uji gores dengan indenter tumpul), sedang untuk pemotongan (uji gores dengan indenter tajam) sangat dipengaruhi oleh komponen deformasi. Dari analisis dapat disimpulkan bahwa model friksi adhesi cocok untuk deformasi elastic dan penyetrikaan, sedang model friksi deformasi dengan pemulihan elastic, cocok untuk pemotongan. Selain itu, plowing merupakan kombinasi dari model friksi adhesi dan deformasi.

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5

B, Vamsi Krishna. "Analysis of Welded Connection Plates by Using ANSYS (Comparative Study – Finite Element Analysis with Elastic Analysis)." Revista Gestão Inovação e Tecnologias 11, no. 4 (July 10, 2021): 1843–57. http://dx.doi.org/10.47059/revistageintec.v11i4.2240.

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6

Notaroberto, Daniela Ferreira de Carvalho, Mariana Martins e. Martins, Maria Teresa de Andrade Goldner, Cátia Abdo Quintão, and Alvaro de Moraes Mendes. "Analysis in vitro of strength degradation comparing latex and non-latex elastics." Brazilian Journal of Oral Sciences 17 (October 30, 2018): e18144. http://dx.doi.org/10.20396/bjos.v17i0.8653813.

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Aim: This study was conducted in order to evaluate and compare the behavior of latex and non-latex elastics, as the loss of strength over time in vitro. Methods: The study evaluated 15 of each elastic material for the pre-selected times: 0, 1, 3, 12 and 24 hours. The rubber bands were transferred to the testing machine (EMIC DL-500 MF). The force values were recorded after stretching the elastic to a length of 25mm. Independent t-test was applied. Analysis of variance (ANOVA) was used to check the variation of the forces generated between those determined times. To identify between which times the difference was present, Tukey post-hoc test was accomplished. Results: As regards the initial forces (zero time), the values of force for non-latex elastic were slightly higher than the latex elastic. In subsequent times, the forces generated by the latex elastic showed higher values. Regarding the material degradation, at the end of 24 hours the highest percentage was observed for non-latex elastic. Conclusion: The latex elastic had a more stable behavior during the studied period compared with non-latex.

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7

Tirira, J., and P. Trocellier. "Elastic recoil detection analysis." Journal of Radioanalytical and Nuclear Chemistry Articles 130, no. 2 (April 1989): 311–19. http://dx.doi.org/10.1007/bf02041351.

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8

Mehta, Kapil. "Design of Secure Elastic Timer Protocol in IoT-Comparative Analysis." Revista Gestão Inovação e Tecnologias 11, no. 4 (July 10, 2021): 1778–91. http://dx.doi.org/10.47059/revistageintec.v11i4.2236.

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9

Veeresh, H. M., and B. M. Gudadappanavar. "Performance Based Evaluation of Floating Column Building by Elastic Analysis." Bonfring International Journal of Man Machine Interface 4, Special Issue (July 30, 2016): 112–15. http://dx.doi.org/10.9756/bijmmi.8166.

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10

Lin, L., and Y. L. Gao. "Inelastic Versus Elastic Displacement-Based Intensity Measures for Seismic Analysis." International Journal of Engineering and Technology 6, no. 6 (December 2014): 476–80. http://dx.doi.org/10.7763/ijet.2014.v6.744.

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11

Bociu, Lorena, Giovanna Guidoboni, Riccardo Sacco, and Justin T. Webster. "Analysis of Nonlinear Poro-Elastic and Poro-Visco-Elastic Models." Archive for Rational Mechanics and Analysis 222, no. 3 (July 14, 2016): 1445–519. http://dx.doi.org/10.1007/s00205-016-1024-9.

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12

Deepthi, T. Venkata, Ch Sridhar Reddy, and A. Satyadevi. "Recent Trends in Elastic-Plastic Analysis Using Elastic Solutions." Materials Today: Proceedings 2, no. 4-5 (2015): 2188–97. http://dx.doi.org/10.1016/j.matpr.2015.07.235.

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13

Li, Qing Ning, Qing Mei Liu, and Lin Zhao. "Seismic Performance Analysis of Steel Reinforced Concrete Frame-Concrete Core Wall Structure." Advanced Materials Research 243-249 (May 2011): 740–45. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.740.

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A steel reinforced concrete frame-concrete core wall structure is taken as the research object in this paper. The whole space finite element models are established by software ETABS, modal analysis, response spectrum method and elastic time-history analysis are conducted. And static elastio-plastic time history analysis of the high-rise structure is conducted by software MIDAS/GEN. Seismic response of the high-rise structure is analyzed under medium earthquake and rare earthquake , elastic deformation is calculated under conventional earthquake and elastic-plastic deformation is calculated under rare earthquake. The results show that the structure can meet the requirements of no-damage under light earthquake, repairable under medium earthquake and no-collapse under strong earthquake.

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14

Yadawa, P. K. "INVESTIGATION OF INTERMETALLIC GdFeAl TERNARY COMPOUND BY ELASTIC, THERMOPHYSICAL AND ULTRASONIC ANALYSIS." Eurasian Physical Technical Journal 19, no. 1 (39) (March 28, 2022): 105–12. http://dx.doi.org/10.31489/2022no1/105-112.

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Higher order elastic constants were calculated of the intermetallic GdFeAl ternary compound using Lennard Jones potential approach. With the using of second order elastic constants (SOECs), other elastic moduli; shear modulus, bulk modulus, Young’s modulus, Pugh’s ratio, constants of elastic stiffness and Poisson’s ratio are estimated for mechanical and elastic characterization at room temperature. Born stability and Pugh's criteria are used to examine the nature and strength of the intermetallic ternary compound and found that it is mechanically stable compound. For the investigation of anisotropic behaviour and thermophysical properties, ultrasonic velocities and thermal relaxation time have been also calculated along with different orientations from theunique axis of the crystal. The temperature variation of ultrasonic velocities, Debye average velocity and thermal relaxation time along the z axis is evaluated using SOECs. The ultrasonic properties correlated with elastic, thermal and mechanical properties which is temperature dependent is also discussed. Ultrasonic attenuation was calculated at different temperatures due to phonon –phonon (p –p) interactions. The responsible reason of attenuation is p-p interactions; it was got that the thermal conductivity is a core contributor to the characteristic of ultrasonic attenuation as a role of temperature.GdFeAl ternary compound behave as its purest form at lower temperature and are more ductile demonstrated by the minimum attenuation

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15

Subramaniam, K., H. Kumar, and M. H. Tawhai. "Evidence for age-dependent air-space enlargement contributing to loss of lung tissue elastic recoil pressure and increased shear modulus in older age." Journal of Applied Physiology 123, no. 1 (July 1, 2017): 79–87. http://dx.doi.org/10.1152/japplphysiol.00208.2016.

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As a normal part of mature aging, lung tissue undergoes microstructural changes such as alveolar air-space enlargement and redistribution of collagen and elastin away from the alveolar duct. The older lung also experiences an associated decrease in elastic recoil pressure and an increase in specific tissue elastic moduli, but how this relates mechanistically to microstructural remodeling is not well-understood. In this study, we use a structure-based mechanics analysis to elucidate the contributions of age-related air-space enlargement and redistribution of elastin and collagen to loss of lung elastic recoil pressure and increase in tissue elastic moduli. Our results show that age-related geometric changes can result in reduction of elastic recoil pressure and increase in shear and bulk moduli, which is consistent with published experimental data. All elastic moduli were sensitive to the distribution of stiffness (representing elastic fiber density) in the alveolar wall, with homogenous stiffness near the duct and through the septae resulting in a more compliant tissue. The preferential distribution of elastic proteins around the alveolar duct in the healthy young adult lung therefore provides for a more elastic tissue. NEW & NOTEWORTHY We use a structure-based mechanics analysis to correlate air-space enlargement and redistribution of elastin and collagen to age-related changes in the mechanical behavior of lung parenchyma. Our study highlights that both the cause (redistribution of elastin and collagen) and the structural effect (alveolar air-space enlargement) contribute to decline in lung tissue elastic recoil with age; these results are consistent with published data and provide a new avenue for understanding the mechanics of the older lung.

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16

Prathap, Vishnu, and Dr Govindan P. Dr. Govindan P. "Investigations in to Parametric Analysis on Mrr in Elastic Emission Machining." International Journal of Scientific Research 3, no. 4 (June 1, 2012): 195–97. http://dx.doi.org/10.15373/22778179/apr2014/66.

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17

Serizawa, Kazufumi, Keisuke Tanaka, Yoshiaki Akiniwa, and Hirohisa Kimachi. "OS06W0448 Finite element analysis of elastic properties of textured thin films." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2003.2 (2003): _OS06W0448. http://dx.doi.org/10.1299/jsmeatem.2003.2._os06w0448.

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18

Kounadis, A. N., and J. G. Mallis. "Elastica type buckling analysis of bars from non-linearly elastic material." International Journal of Non-Linear Mechanics 22, no. 2 (January 1987): 99–107. http://dx.doi.org/10.1016/0020-7462(87)90013-8.

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19

Kiisa, Martti, Juhan Idnurm, and Siim Idnurm. "Discrete analysis of elastic cables." Baltic Journal of Road and Bridge Engineering 7, no. 2 (June 19, 2012): 98–103. http://dx.doi.org/10.3846/bjrbe.2012.14.

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20

Relun, Nicolas, David Néron, and Pierre-Alain Boucard. "Multiscale elastic-viscoplastic computational analysis." European Journal of Computational Mechanics 20, no. 7-8 (January 2011): 379–409. http://dx.doi.org/10.3166/ejcm.20.379-409.

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21

Chuang, Poon‐Hwei, and David Lloyd Smith. "Elastic Analysis of Submarine Pipelines." Journal of Structural Engineering 118, no. 1 (January 1992): 90–107. http://dx.doi.org/10.1061/(asce)0733-9445(1992)118:1(90).

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22

FUJIMOTO, Koji. "Elastic Analysis of Sinusoidal Cracks." Proceedings of the JSME annual meeting 2004.1 (2004): 439–40. http://dx.doi.org/10.1299/jsmemecjo.2004.1.0_439.

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23

Bisio, G., M. Cartesegna, and G. Rubatto. "Thermodynamic analysis of elastic systems." Energy Conversion and Management 42, no. 7 (May 2001): 799–812. http://dx.doi.org/10.1016/s0196-8904(00)00102-3.

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24

Petrolito, J., and K. A. Legge. "Unified nonlinear elastic frame analysis." Computers & Structures 60, no. 1 (July 1996): 21–30. http://dx.doi.org/10.1016/0045-7949(95)00378-9.

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25

Ramezani, S., R. Naghdabadi, and S. Sohrabpour. "Analysis of micropolar elastic beams." European Journal of Mechanics - A/Solids 28, no. 2 (March 2009): 202–8. http://dx.doi.org/10.1016/j.euromechsol.2008.06.006.

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26

Banks, H. T., G. A. Pinter, and O. H. Yeoh. "Analysis of bonded elastic blocks." Mathematical and Computer Modelling 36, no. 7-8 (November 2002): 875–88. http://dx.doi.org/10.1016/s0895-7177(02)00234-0.

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27

Giambanco, F., L. Palizzolo, and L. Cirone. "Elastic plastic analysis iterative solution." Computational Mechanics 21, no. 2 (March 20, 1998): 149–60. http://dx.doi.org/10.1007/s004660050291.

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28

Blaauwendraad, Johan, and Jörg Schneider. "Structural Analysis: Elastic or Plastic?" Structural Engineering International 3, no. 3 (August 1993): 165–68. http://dx.doi.org/10.2749/101686693780607895.

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29

Karam, G. N., and L. J. Gibson. "Elastic buckling of cylindrical shells with elastic cores—I. Analysis." International Journal of Solids and Structures 32, no. 8-9 (April 1995): 1259–83. http://dx.doi.org/10.1016/0020-7683(94)00147-o.

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30

Khludnev, Alexander, and Günter R. Leugering. "Delaminated thin elastic inclusions inside elastic bodies." Mathematics and Mechanics of Complex Systems 2, no. 1 (January 1, 2014): 1–21. http://dx.doi.org/10.2140/memocs.2014.2.1.

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31

Podio-Guidugli, P., and G. Vergara Caffarelli. "Extreme elastic deformations." Archive for Rational Mechanics and Analysis 115, no. 4 (1991): 311–28. http://dx.doi.org/10.1007/bf00375278.

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32

Percivale, Danilo. "Uniqueness in the elastic bounce problem, II." Journal of Differential Equations 90, no. 2 (April 1991): 304–15. http://dx.doi.org/10.1016/0022-0396(91)90150-8.

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33

Zha, Dongbing. "On nonlinear elastic waves in 2-D." Journal of Differential Equations 268, no. 3 (January 2020): 1250–69. http://dx.doi.org/10.1016/j.jde.2019.08.044.

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34

Robb, Bruce W., Hiroshi Wachi, Theresa Schaub, Robert P. Mecham, and Elaine C. Davis. "Characterization of an In Vitro Model of Elastic Fiber Assembly." Molecular Biology of the Cell 10, no. 11 (November 1999): 3595–605. http://dx.doi.org/10.1091/mbc.10.11.3595.

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Elastic fibers consist of two morphologically distinct components: elastin and 10-nm fibrillin-containing microfibrils. During development, the microfibrils form bundles that appear to act as a scaffold for the deposition, orientation, and assembly of tropoelastin monomers into an insoluble elastic fiber. Although microfibrils can assemble independent of elastin, tropoelastin monomers do not assemble without the presence of microfibrils. In the present study, immortalized ciliary body pigmented epithelial (PE) cells were investigated for their potential to serve as a cell culture model for elastic fiber assembly. Northern analysis showed that the PE cells express microfibril proteins but do not express tropoelastin. Immunofluorescence staining and electron microscopy confirmed that the microfibril proteins produced by the PE cells assemble into intact microfibrils. When the PE cells were transfected with a mammalian expression vector containing a bovine tropoelastin cDNA, the cells were found to express and secrete tropoelastin. Immunofluorescence and electron microscopic examination of the transfected PE cells showed the presence of elastic fibers in the matrix. Biochemical analysis of this matrix showed the presence of cross-links that are unique to mature insoluble elastin. Together, these results indicate that the PE cells provide a unique, stable in vitro system in which to study elastic fiber assembly.

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35

Camilla Ivini Viana Vieira, Cibele Braga de Oliveira, Alexandre Antonio Ribeiro, Sergei Godeiro Fernandes Rabelo Caldas, Lídia Parsekian Martins, Luiz Gonzaga Gandini Jr., and Ary dos Santos-Pinto. "In vitro comparison of the force degradation of orthodontic intraoral elastics from different compositions." RSBO 10, no. 1 (March 28, 2014): 40–8. http://dx.doi.org/10.21726/rsbo.v10i1.893.

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The synthetic intermaxillary elastic emerged as an alternative for clinical use in patients with latex sensitivity. However, there are disagreements about this elastic protocol use according to the force degradation. Objective: The aim of this study was to evaluate, in vitro, the forces generated by latex and synthetic elastics over time. Material and methods: Sample size of 840 elastics were used (420 latex and 420 synthetic), delivering medium strength (Dental Morelli®) with internal diameter of 1/8”, 3/16”, 1/4” and 5/16”. The elastics were randomly divided into 6 groups according to the time of the force measuring and immersed into distilled water at 37°C. To measure the force in each group, the elastics were stretched in six progressive increases of 100% of its internal diameter with the aid of a testing machine Emic and measured up to 72 hours. Data were analyzed with SPSS 16.0, using one-way analysis of variance (ANOVA). Results: Immediate force level of synthetic elastics was statistically higher than latex elastics in all strains, for the same size. However, the latex elastics mean force slightly decreased over time, while the synthetic elastics presented an abrupt decrease. Conclusion: The synthetic elastic presented high force degradation, decreasing the cost-benefit ratio due to the high frequency of exchange of elastic. The latex elastic showed better mechanical performance in comparison to synthetic ones.

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36

Albert, Albert, Daniel Christianto, and Hadi Pranata. "EVALUASI STRUKTUR GEDUNG DUAL SYSTEM DENGAN DINDING GESER BERSAYAP C MENGGUNAKAN PUSHOVER ANALYSIS." JMTS: Jurnal Mitra Teknik Sipil 3, no. 4 (November 1, 2020): 1233. http://dx.doi.org/10.24912/jmts.v3i4.8380.

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ABSTRACTAlthough elastic analysis gives a good indication of the elastic capacity and behavior of a building, but the elastic method can’t predict when the first yield will occur, and the failure mechanism and account for redistribution of member forces when the plastic hinges progressively formed. The use of inelastic procedure for evaluation is an attempt made by engineer in the past days to better understand how the structure will behave when subjected to strong earthquake, assuming the elastic capacity of the structure will be exceeded. In this research the pushover analysis was done using the modelling criteria of FEMA 356. The modeling of C-flanged shear was done using line element with the equivalent strength and stiffness properties. Target displacement was calculated using the displacement coefficient method of FEMA 356. Based on the analysis the triangular load pattern resulted in larger target displacement than the uniform load. But the uniform load pattern gives larger seismic response than the triangular load pattern. The uniform load pattern resulted in Life Safety performance level, while the triangular load pattern resulted in Immediate Occupancy, based on the two load patterns used the structure resulted in Life Safety performance level.ABSTRAKWalaupun analisis elastik memberikan indikasi yang baik mengenai kapasitas dan perilaku elastik dari suatu gedung, tetapi metode elastik tidak dapat memperkirakan kapan pelelehan pertama terjadi, serta mekanisme kegagalan apa yang mungkin terjadi pada bangunan tersebut, dan memperkirakan redistribusi dari gaya- gaya dalam ketika pembentukan sendi plastis secara progresif terjadi. Fungsi dari analisis inelastik, sebagai prosedur untuk mengevaluasi bangunan, yang merupakan usaha dari insinyur-insinyur terdahulu memahami bagaimana struktur akan berperilaku apabila dikenai gempa kuat, dimana diasumsikan bahwa kapasitas elastik gedung telah terlampaui. Dalam penelitian ini dilakukan pushover analysis menggunakan kriteria pemodelan berdasarkan FEMA 356. Pemodelan dari dinding geser bersayap C dilakukan menggunakan line element dengan kekuatan dan kekakuan yang ekivalen. Target perpindahan dianalisis menggunakan metode coefficient of displacement dari FEMA 356. Berdasarkan analisis yang dilakukan didapat bahwa pembebanan segitiga lebih besar dibandingkan pembebanan merata. Namun, respons seismik yang didapat akibat beban merata, lebih besar dibandingkan beban segitiga. Pembebanan merata menghasilkan tingkatan kinerja Life Safety, sedangkan pembebanan segitiga menghasilkan tingkatan kinerja Immadiate Occupancy, berdasarkan kedua pembebanan tersebut didapat kinerja dari struktur tersebut adalah Life Safety.

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37

Bendsee, Martin Philip, and Jan Sokolowski. "Design Sensitivity Analysis of Elastic-Plastic Analysis Problems." Mechanics of Structures and Machines 16, no. 1 (January 1988): 81–102. http://dx.doi.org/10.1080/08905458808960254.

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38

Qi, Hu, and Yun Gui Li. "Multi-Axial Concrete Models for Nonlinear Analysis." Advanced Materials Research 1065-1069 (December 2014): 2099–103. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.2099.

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The most widely used multi-axial concrete models including elastic-plastic model and elastic plastic damage model are expounded and it is recognized that the elastic plastic damage model is more reasonable to reflect nonlinear characteristic of concrete. The development and application of elastic plastic damage model is comprehensively appraised and a practical elastic plastic damage constitutive model is established. Finally the dynamic trend of constitutive model of concrete development is introduced.

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39

Tsibulchik, G. M. "Reverse-time continuation of elastic waves." Numerical Analysis and Applications 2, no. 3 (July 2009): 272–80. http://dx.doi.org/10.1134/s1995423909030082.

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40

Bartels, Sören. "Numerical Simulation of Inextensible Elastic Ribbons." SIAM Journal on Numerical Analysis 58, no. 6 (January 2020): 3332–54. http://dx.doi.org/10.1137/20m1357494.

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41

Korsunsky, Alexander M. "Residual Elastic Strains in Autofrettaged Tubes: Elastic–Ideally Plastic Model Analysis." Journal of Engineering Materials and Technology 129, no. 1 (June 5, 2006): 77–81. http://dx.doi.org/10.1115/1.2400267.

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Autofrettage is a treatment process that uses plastic deformation to create a state of permanent residual stress within thick-walled tubes by pressurizing them beyond the elastic limit. The present paper presents explicit analytical formulas for residual elastic strains within the tube wall derived on the basis of the classical elastic–ideally plastic solution. Then the problem is addressed of rational interpretation of the radial and hoop residual elastic strains measured at a fixed number of points. To this end, the mismatch between the experimental measurements and theoretical predictions of the residual elastic strains is represented in the form of quadratic functional, J, the minimum of which is sought in terms of the problem parameters, namely, the material yield stress, σY, and the radial position of the elastic-plastic boundary, c. It is shown that J shows an approximately parabolic variation in terms of either parameter when the other is fixed, and that therefore the global minimum of J can be readily found. This procedure is implemented and applied to a set of experimental data on neutron diffraction measurements (Venter, A.M., de Swardt, R.R., and Kyriacou, S., 2000, J. Strain Anal., 35, pp. 459–469). In conclusion, further applications of this family of interpretation approaches are discussed.

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Hu, Y. Y., and W. M. Huang. "Elastic and elastic-plastic analysis of multilayer thin films:Closed-form solutions." Journal of Applied Physics 96, no. 8 (October 15, 2004): 4154–60. http://dx.doi.org/10.1063/1.1786339.

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Fernández, Claudio, and Gustavo Perla Menzala. "Resonances of an elastic resonator." Applicable Analysis 76, no. 1-2 (October 2000): 41–49. http://dx.doi.org/10.1080/00036810008840864.

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Showalter, R. E. "Diffusion in Poro-Elastic Media." Journal of Mathematical Analysis and Applications 251, no. 1 (November 2000): 310–40. http://dx.doi.org/10.1006/jmaa.2000.7048.

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Choucha, Abdelbaki, Salah Mahmoud Boulaaras, Djamel Ouchenane, Bahri Belkacem Cherif, and Mohamed Abdalla. "Exponential Stability of Swelling Porous Elastic with a Viscoelastic Damping and Distributed Delay Term." Journal of Function Spaces 2021 (February 28, 2021): 1–8. http://dx.doi.org/10.1155/2021/5581634.

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In this paper, we consider a swelling porous elastic system with a viscoelastic damping and distributed delay terms in the second equation. The coupling gives new contributions to the theory associated with asymptotic behaviors of swelling porous elastic soils. The general decay result is established by the multiplier method.

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Notaroberto, Daniela Ferreira de Carvalho, Mariana Martins e. Martins, Maria Teresa de Andrade Goldner, Alvaro de Moraes Mendes, and Cátia Cardoso Abdo Quintão. "Force decay evaluation of latex and non-latex orthodontic intraoral elastics: in vivo study." Dental Press Journal of Orthodontics 23, no. 6 (December 2018): 42–47. http://dx.doi.org/10.1590/2177-6709.23.6.042-047.oar.

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ABSTRACT Objective: This clinical study was conducted in order to evaluate force decay over time of latex and non-latex orthodontic intraoral elastics. Methods: Patients (n = 15) were evaluated using latex and non-latex elastics in the periods of : 0, 1, 3, 12 and 24 hours. The rubber bands were transferred to the testing machine (EMIC DL-500 MF), and force values were recorded after stretching the elastic to a length of 25mm. Paired t test was applied and analysis of variance (ANOVA) was used to evaluate the variation of force generated. LSD (Fisher’s least significant difference) post-hoc test was thus employed. Results: As regards the initial forces (zero time), the values of force for non-latex elastic were slightly higher than for the latex elastic. In the subsequent times, the forces generated by the latex elastic showed higher values. Regarding the material degradation, at the end of 24 hours the highest percentage was observed for non-latex elastic. Conclusions: The latex elastics had a more stable behavior during the studied period, compared with non-latex.

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El Jarroudi, Mustapha. "Homogenization of a nonlinear elastic fibre-reinforced composite: A second gradient nonlinear elastic material." Journal of Mathematical Analysis and Applications 403, no. 2 (July 2013): 487–505. http://dx.doi.org/10.1016/j.jmaa.2013.02.042.

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Qian, Xi Ying, Zhao Liu, and Jia Le Qu. "Numerical Analysis of Elastic Rod Boundary Conditions." Advanced Materials Research 1028 (September 2014): 155–60. http://dx.doi.org/10.4028/www.scientific.net/amr.1028.155.

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Based on Kirchhoff kinetic analogy method, kinetic theory of classical mechanics is used for statics of Elastic rod. DNA is a superfine long Elastic Rod. It will be unstable in the calculation process, Explore the use of fourth-order bvp for Elastic rod’s simulation problems, and give the corresponding numerical analysis. Establish the solving equations of describing DNA Elastic rod, and use computer to give numerical analysis and simulation, it also provides a new method for the subsequent study of DNA Elastic rods, etc.

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Terpin, Teresa, and Margot R. Roach. "A biophysical and histological analysis of factors that lead to aortic rupture in normal and lathyritic turkeys." Canadian Journal of Physiology and Pharmacology 65, no. 3 (March 1, 1987): 395–400. http://dx.doi.org/10.1139/y87-066.

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These experiments were designed to determine if local differences in elastic properties or wall structure contributed to the development of aortic rupture in turkeys. Static elastic properties were measured from pressure–volume curves of cylindrical segments of upper and lower thoracic aorta and innominate artery in two groups of lathyritic birds and two age-matched control groups. The biggest changes were in the young lathyritic group that was on 0.04% β-aminoproprionitrile at 3 weeks of age and continued for 2, 3, or 4 weeks. Much smaller changes were seen in the older group that started on 0.05% β-aminoproprionitrile at 6 weeks of age for 10 days and then 0.02% β-aminoproprionitrile for the next 9–12 weeks. The biggest changes were seen in the abdominal aorta, which ruptured spontaneously in 50% of the young lathyritic group. The birds had a marked decrease in the number of elastin layers per unit wall thickness. Analysis of the elastic diagrams showed that the elastance of both elastin and collagen were altered in the young lathyritic group. Rupture appeared to follow partial dissection of plaques, but true longitudinal dissection did not occur.

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McLaughlin, Precious J., Qiuyun Chen, Masahito Horiguchi, Barry C. Starcher, J. Brett Stanton, Thomas J. Broekelmann, Alan D. Marmorstein, et al. "Targeted Disruption of Fibulin-4 Abolishes Elastogenesis and Causes Perinatal Lethality in Mice." Molecular and Cellular Biology 26, no. 5 (March 1, 2006): 1700–1709. http://dx.doi.org/10.1128/mcb.26.5.1700-1709.2006.

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ABSTRACT Elastic fibers provide tissues with elasticity which is critical to the function of arteries, lungs, skin, and other dynamic organs. Loss of elasticity is a major contributing factor in aging and diseases. However, the mechanism of elastic fiber development and assembly is poorly understood. Here, we show that lack of fibulin-4, an extracellular matrix molecule, abolishes elastogenesis. fibulin-4 −/− mice generated by gene targeting exhibited severe lung and vascular defects including emphysema, artery tortuosity, irregularity, aneurysm, rupture, and resulting hemorrhages. All the homozygous mice died perinatally. The earliest abnormality noted was a uniformly narrowing of the descending aorta in fibulin-4 −/− embryos at embryonic day 12.5 (E12.5). Aorta tortuosity and irregularity became noticeable at E15.5. Histological analysis demonstrated that fibulin-4 −/− mice do not develop intact elastic fibers but contain irregular elastin aggregates. Electron microscopy revealed that the elastin aggregates are highly unusual in that they contain evenly distributed rod-like filaments, in contrast to the amorphous appearance of normal elastic fibers. Desmosine analysis indicated that elastin cross-links in fibulin-4 −/− tissues were largely diminished. However, expression of tropoelastin or lysyl oxidase mRNA was unaffected in fibulin-4 −/− mice. In addition, fibulin-4 strongly interacts with tropoelastin and colocalizes with elastic fibers in culture. These results demonstrate that fibulin-4 plays an irreplaceable role in elastogenesis.

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