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Journal articles on the topic 'SHELL281'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Mandhatha, P. S., K. V. L. S. S. Reddy, P. Tripathy, and V. R. Kar. "Effect of Perforation on the Bending Behavior of Temperature-Dependent Carbon Nanotube Reinforced Composite Plate." Advanced Science Letters 24, no. 8 (2018): 5919–22. http://dx.doi.org/10.1166/asl.2018.12220.

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In the present article, the bending behaviour of carbon nanotube reinforced composite plate subjected to thermomechanical loading is examined with and without perforations. For the computational purpose, fully clamped support condition is considered. The carbon nanotube reinforced composite plate is comprised of single-walled carbon nanotube reinforced composite as fibre and PmPV as matrix material. The extended rule-of-mixture is employed to evaluate the temperature-dependent material properties of carbon nanotube reinforced composite panel. The bending responses are obtained through finite e

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2

Hermann, Thomas M., Dharmaraj Mamarthupatti, and James E. Locke. "Postbuckling Analysis of a Wind Turbine Blade Substructure." Journal of Solar Energy Engineering 127, no. 4 (2005): 544–52. http://dx.doi.org/10.1115/1.2037093.

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Postbuckling analysis of composite laminates representative of wind turbine blade substructures, utilizing the commercial finite element software ANSYS, is presented in this paper. The procedure was validated against an existing postbuckling analysis. Three shell element formulations, SHELL91, SHELL99, and SHELL181, were examined. It was found that the SHELL181 element with reduced integration should be used to avoid shear locking. The validated procedure was used to examine the variation of the buckling behavior, including postbuckling, with lamination schedule of a laminate representative of

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3

Iacob, Ionel, Ionel Chirica, and Elena Felicia Beznea. "Fatigue Life Estimation of a Layered Composite Plate." Advanced Materials Research 1143 (February 2017): 133–38. http://dx.doi.org/10.4028/www.scientific.net/amr.1143.133.

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This paper presents the FEM approach of fatigue life estimation of a layered composite plate having a central elliptical cut-out subjected to time variation loads. Some properties and material data, such as data used for the S-N curve / Wöhler curve of the material, represented in cyclic stress versus number of cycles to failure coordinates, which is required for starting the fatigue analysis, were taken from the OPTIMAT database.The plate analysis was parameterized and modeled with the Shell281 element type. This type of element can be used in a triangular form more efficiently than other ty

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4

Amaral, Rodrigo Reis, Grégori Da Silva Troina, Marcelo Langhinrichs Cunha, Luiz Alberto Oliveira Rocha, Elizaldo Domingues Dos Santos, and Liércio André Isoldi. "Verificação de modelo computacional para placas com enrijecedores considerando condição de contorno de simetria." Revista Interdisciplinar de Pesquisa em Engenharia 5, no. 1 (2019): 76–84. http://dx.doi.org/10.26512/ripe.v5i1.19218.

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O presente artigo apresenta a modelagem computacional de placas enrijecidas submetidas a uma carga transversal uniformemente distribuída, permitindo a análise numérica de deslocamentos e tensões. O modelo computacional foi desenvolvido no software ANSYS, baseado no Método dos Elementos Finitos (MEF), empregando o elemento finito SHELL281. Este modelo foi elaborado considerando a condição de contorno de simetria, possibilitando que somente um quarto da placa enrijecida fosse simulado numericamente. As simulações com esta condição de contorno demonstraram um ganho de processamento computacional

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5

Krishnan, S. Yogesh, A. K. Caitanya, P. Tripathy, and V. R. Kar. "Free Vibration Behavior of Carbon Nanotube Reinforced Composite Conical Shell Panel Under Thermal Environment." Advanced Science Letters 24, no. 8 (2018): 5915–18. http://dx.doi.org/10.1166/asl.2018.12219.

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The free vibration of carbon nanotube reinforced composite conical shell panel is examined under temperature field. In this analysis, single-walled carbon nanotube and poly(m-phenylenevinylene-co-2,5-dioctoxy-pphenylenevinylene) are used as fibre and matrix materials, respectively. The material properties are considered as temperature-dependent. The effective material properties of carbon nanotube reinforced composite panel are evaluated through the extended rule-of-mixture. The finite element model is prepared using commercially available finite element tool ANSYS APDL. An eight node Serendip

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6

Aharoni, Assaf, Taleb Mokari, Inna Popov, and Uri Banin. "Synthesis of InAs/CdSe/ZnSe Core/Shell1/Shell2 Structures with Bright and Stable Near-Infrared Fluorescence." Journal of the American Chemical Society 128, no. 1 (2006): 257–64. http://dx.doi.org/10.1021/ja056326v.

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7

Niu, Jin Zhong, Huaibin Shen, Changhua Zhou, et al. "Controlled synthesis of high quality type-II/type-I CdS/ZnSe/ZnS core/shell1/shell2 nanocrystals." Dalton Transactions 39, no. 13 (2010): 3308. http://dx.doi.org/10.1039/b922130a.

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8

Ben-Lulu, Meirav, David Mocatta, Mischa Bonn, Uri Banin, and Sanford Ruhman. "On the Absence of Detectable Carrier Multiplication in a Transient Absorption Study of InAs/CdSe/ZnSe Core/Shell1/Shell2 Quantum Dots." Nano Letters 8, no. 4 (2008): 1207–11. http://dx.doi.org/10.1021/nl080199u.

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9

Jian, Li. "Experiment and ANSYS Finite Element Analysis on Concrete Filled Thin-Walled Steel Tube Joints." Applied Mechanics and Materials 321-324 (June 2013): 234–38. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.234.

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The experiment on joints of concrete filled thin-walled steel tube and the composite beam is carried out in 8 specimens, and mechanics performance of all type joints is concluded in general. The test results indicate that each joint has higher bearing capacity and better ductility performance. Solid65 and Shell181 Elements of ANSYS finite element program are adopted to simulate concrete and thin-walled steel sheet of composite beams and columns. Calculation results in theories proved conformity with the test in primary.

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10

Ma, Hua, Li Chun Zhou, Zhen Bao Li, Xue Wei Zhang, and Xin Yu Sun. "Finite-Element Analysis on Carbon Fiber Reinforced Polymer (CFRP) Plates Reinforcement for the Rigid Joints of Steel Structures." Advanced Materials Research 535-537 (June 2012): 1997–2001. http://dx.doi.org/10.4028/www.scientific.net/amr.535-537.1997.

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The method of CFRP plate reinforcement for the rigid joints with complete welding was studied using finite-element analysis. Three models were adopted in analyzed software ANSYS and they are Solid45, Combin14 and Shell181, which used to simulate steel, glue and CFRP plate respectively. The results show that the ultimate bearing capacity of rigid joints improves significantly after using CFRP reinforcement for joints. And the results also show that the level of improvement is relative to the length, width and thickness of CFRP plates.

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11

Egereva, Elvira, and Hugues Bonga. "Analytical and numerical study of influence of the shape of the section on lateral buckling of doubly symmetrical sections." E3S Web of Conferences 284 (2021): 05008. http://dx.doi.org/10.1051/e3sconf/202128405008.

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This paper presents an analytical and numerical study of the lateral buckling of beams with double symmetrical I and H cross sections having substantially the same plastic modulus of resistance around the strong axis subjected by a uniformly distributed load in order to understand the influence of the one of the forms during lateral buckling. For this, a critical elastic moment analysis is carried out using ANSYS software using the element SHELL181 and analytical formulas from Eurocode3. Finally, there is a presentation of the non-linear behavior of these two cross sections.

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12

罗, 穿云, 华林杨, 晓红杨 та 伊东李. "基于ANSYS的方钢管混凝土柱单向荷载下非线性分析". 建筑技术研究 3, № 8 (2020): 93. http://dx.doi.org/10.32629/btr.v3i8.3301.

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钢管混凝土结构承载力高、施工周期短、耐火性能好,成本较低,在相同的截面尺寸下,比钢结构大约节省50%的钢材,比混凝土结构减少50%的混凝土用量,承载力高主要体现在相同截面尺寸下,钢管混凝土的承载力远远大于钢结构和混凝土结构,具体的原因本文做了详细的阐述。本文采用ansys对方钢管混凝土短柱单向荷载作用下进行非线性分析,对钢管采用shell181单元,核心混凝土采用solid65单元模拟,得出的结论是模拟的极限承载力介于规范和韩林海推荐的公式计算结果之间,且偏差不大,由计算结果对比看出,蔡绍怀推荐的公式结果偏大,尤其是当构件的截面尺寸较大时,计算的结果会更大,Shell181单元与Solid65单元组合能够很好地模拟钢管混凝土的非线性性能。

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13

Kala, Zdenek, Jakub Gottvald, Jakub Stonis, Stanislav Vejvoda, and Abayomi Omishore. "Sensitivity Analysis of Stress State of Welded Tanks." Applied Mechanics and Materials 769 (June 2015): 3–8. http://dx.doi.org/10.4028/www.scientific.net/amm.769.3.

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This article focuses on the reliability analysis of a welded cylindrical tank, which is used for the storage of crude oil. The dominant load case is loading of the inner shell by hydrostatic pressure of the crude oil. Stochastic sensitivity analysis was used to study the effect of the variability of the thickness of the ith course on the stress state of adjacent courses. The computational model was developed in the programme ANSYS. Meshing was performed using SHELL181 elements. The Latin Hypercube Sampling method was implemented during analysis. Sensitivity analysis based on the evaluation of

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14

Zhu, Bin Rong, Jing Bo Yang, and Qing Hua Li. "Effects of Different Initial Imperfections including Residual Stress on the Compressive Bearing Capacity of Steel Angles in Towers." Applied Mechanics and Materials 252 (December 2012): 167–71. http://dx.doi.org/10.4028/www.scientific.net/amm.252.167.

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Angles are extensively used in latticed transmission tower. Initial imperfections have a significant impact on the compressive instability and failure of angle components. To study the impact of different initial imperfections on the compressive bearing capacity, general-purpose finite element software ANSYS is used. With shell element SHELL181, selecting angle L200×20 of the slenderness ratio of 20, 40, 60, 80, 100 and 120, the bearing performance analysis with initial imperfections is conducted, including initial bending, section defects, initial eccentricity, residual stress, and a combinat

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15

Li, Jia, Xiang Wei Kong, Lin Li, and Meng Zhao. "Analysis of Finite Element and Optimization Design of Mechanical Excavator Rotary Platform." Advanced Materials Research 706-708 (June 2013): 1205–8. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.1205.

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The mechanical excavator is the essential equipment for open-pit mining. The rotary platform is main bearing part of the excavator, stiffness and strength are directly related to the safety of the excavator. The rotary platform of a mechanical excavator is applied as the research object. The Shell181 and Solid 95 unit are used to establish finite element model based on analyzing the structural characteristics. MPC technology is applied to solve the coupling problem of the shell and the solid element. Taking the total weight of platform as the objective function of optimization, stiffness and s

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16

Pathak, Prabin, and Yi Xia Zhang. "Finite Element Simulation for Nonlinear Finite Element Analysis of FRP Strengthened RC Beams with Bond-Slip Effect." Applied Mechanics and Materials 846 (July 2016): 440–45. http://dx.doi.org/10.4028/www.scientific.net/amm.846.440.

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A new simple, efficient and accurate finite element model denoted as FEM-B is developed for the analysis of structural behavior of FRP strengthened RC beams with bond-slip effect. Geometric nonlinearity and material nonlinear properties of concrete and steel rebar are accounted for this model. Concrete, steel, FRP and adhesive are modelled as Solid 65, Link 180, Shell181 and Solid 45 respectively. Concrete is modelled using Nitereka and Neal’s model for compression, isotropic and linear elastic model before cracking for tension and strength gradually reduces to zero after cracking, whereas ste

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17

Kala, Zdeněk, Jakub Gottvald, Jakub Stoniš, and Abayomi Omishore. "SENSITIVITY ANALYSIS OF THE STRESS STATE IN SHELL COURSES OF WELDED TANKS FOR OIL STORAGE." Engineering Structures and Technologies 6, no. 1 (2014): 7–12. http://dx.doi.org/10.3846/2029882x.2014.957899.

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The paper deals with the analysis of reliability and safety of a welded tank for the storage of oil, which is located in the Czech Republic. The oil tank has a capacity of 125 thousand cubic meters. It is one of the largest tanks of its kind in the world. Safety is ensured by a steel outer intercepting shell and a double bottom. The tank was modelled in the programme ANSYS. The computational model was developed using the finite element method – elements SHELL181. A nonlinear contact problem was analysed for the simulation of the interaction between the bottom plate and foundation. The normativ

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18

Qureshi, Muhammad AM, Hota V. GangaRao, Nasir Hayat, and Praveen Majjigapu. "Response of closed Glass Fiber Reinforced Polymer sections under combined bending and torsion." Journal of Composite Materials 51, no. 2 (2016): 241–60. http://dx.doi.org/10.1177/0021998316642279.

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Structural response under combined bending (M) and torsion (T) of pultruded Glass Fiber Reinforced Polymer composite hollow circular and square sections has been investigated, using unique experimental facility for combined loads. Prior to determining combined response, bending and torsional strengths at failure were found separately for all test sections. To evaluate structural response, strain gages were attached at 6 to 12 critical locations of each specimen. For each cross-section, three samples were tested under combined load combinations, i.e. (0.25 Mmax, TFailure), (0.50 Mmax, TFailure)

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19

XIAOYU, XIA, LIU JI-XING, and OU-YANG ZHONG-CAN. "AN ELASTIC CONTINUUM MODEL FOR FULLERENE ENERGETICS." Modern Physics Letters B 09, no. 25 (1995): 1649–55. http://dx.doi.org/10.1142/s0217984995001662.

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By analogy with the elastic theory of solid shells1 and fluid membranes,2 it has been suggested that fullerenes, at least large ones, might somehow resemble the classic elastic continuum, as indicated by Schnur.3 Some related works dealt with nanotubes do show positive evidence for this suggestion.4 Here we propose an elastic continuum model appropriate to graphite-like networks. Applying it to various shapes of fullerenes, such as spheres, tubes, tori, and minimal surfaces, we found good agreement between this model and previous numerical results given by approaches of ab initio or empirical

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20

Fleischer, J., and O. V. Tarasov. "SHELL2: a package for the calculation of two-loop on-shell Feynman diagrams in FORM." Computer Physics Communications 71, no. 1-2 (1992): 193–205. http://dx.doi.org/10.1016/0010-4655(92)90083-b.

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21

Barour, Sabiha, Abdesselam Zergua, Farid Bouziadi, and Waleed Abed Jasim. "Finite element analysis of CFRP-externally strengthened reinforced concrete beams subjected to three-point bending." World Journal of Engineering 17, no. 2 (2019): 183–202. http://dx.doi.org/10.1108/wje-04-2019-0121.

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Purpose This paper aims to develop a non-linear finite element model predicting the response of externally strengthened beams under a three-point flexure test. Design/methodology/approach The ANSYS software is used for modeling. SOILD65, LINK180, SHELL181 and SOLID185 elements are used, respectively, to model concrete, steel reinforcement, polymer and steel plate support. A parametric study was carried out. The effects of compressive strength, Young’s modulus, layers number and carbon fiber-reinforced polymer thickness on beam behavior are analyzed. A comparative study between the non-linear f

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22

Abdulla, Mazen Dewan, and Zahraa Abbas Khaduier. "Nonlinear Finite Elements Analysis of Reinforced Concrete Columns Strengthened With Carbon Fiber Reinforced Polymer (CFRP)." Journal of University of Babylon for Engineering Sciences 26, no. 3 (2018): 75–97. http://dx.doi.org/10.29196/jub.v26i3.618.

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This paper presents the results of a study to have better understanding of structural behavior of the reinforced concrete (RC) column wrapped by carbon fiber reinforced polymer (CFRP) sheets. In this study, 3D F.E model has been presented using ANSYS computer program (Release 16.0) to analyze reinforced concrete columns strengthened with CFRP composites , to evaluate the gain in performance (strength and ductility) due to strengthening, and to study the effect of the most important parameters such as: compressive strength of concrete, modulus of elasticity of CFRP and corner radius of sq

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23

Xie, Hai Bo, Zheng Jiang Liu, Yang Song, and Shi Bo Zhou. "Research and Analysis on Damage of Marine Ship Structures by Composite Materials Based on FEM Numerical Simulation." Key Engineering Materials 852 (July 2020): 129–38. http://dx.doi.org/10.4028/www.scientific.net/kem.852.129.

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In view of the particularity of marine foam sandwich composite structure, this paper establishes an equivalent parameter conversion system based on the classical sandwich structure design idea, and forms an equivalent simulation method to determine the initial stiffness, initial failure load and ultimate failure load of the structure. The simulation discriminant method makes the SHELL91 shell unit available for the marine foam sandwich composite structure. The bending test of the basic structure of marine foam sandwich composite beams and plates is described in detail. The equivalent simulatio

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Fleischer, J., and M. Yu Kalmykov. "ON-SHELL2: FORM based package for the calculation of two-loop self-energy single scale Feynman diagrams occurring in the Standard Model." Computer Physics Communications 128, no. 3 (2000): 531–49. http://dx.doi.org/10.1016/s0010-4655(99)00532-9.

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25

Liu, Youxia, Jie Zheng, Na Zhao, Junya Jia, and Tiekun Yan. "ELL2 Is Downregulated and Associated with Galactose-Deficient IgA1 in IgA Nephropathy." Disease Markers 2019 (June 4, 2019): 1–7. http://dx.doi.org/10.1155/2019/2407067.

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Background. Galactose-deficient IgA1 (Gd-IgA1) is an important causal factor in IgA nephropathy; however, the underlying mechanism for the production of Gd-IgA1 is unknown. The elongation factor for RNA polymerase II (ELL2), which encoded a key component of the superelongation complex (SEC), drives secretory-specific Ig mRNA production. Methods. We enrolled 21 patients with IgAN, 18 healthy controls, and 20 patients with non-IgAN glomerulonephritis. The differential expression of ELL2 was compared using publically available data from Gene Expression Omnibus (GEO) datasets. The relationship bet

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26

Shammo, Jamile. "A Pilot Study Investigating the Safety and Efficacy of Injectable Hemin (Panhematin®) in Patients with Low to Intermediate-1 Risk Myelodysplastic Syndrome." Blood 114, no. 22 (2009): 4859. http://dx.doi.org/10.1182/blood.v114.22.4859.4859.

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Abstract 4859 Authors J. M. Shammo1, K. Shell1, D. Rhoades1, A. Rizman1, K. E. Anderson2, M. Holmay3, I. Miller1, S. Gregory1 Institutions 1Rush University Medical Center, Chicago, IL, 2University of Texas Medical Branch, Galveston, TX, 3Director CNS Medical Liaisons, Lundbeck, Inc. Background Injectable hemin (Panhematin) is an iron-containing metalloporphyrin that is approved for the treatment of acute intermittent porphyria. Preclinical data indicate that hemin administration has the potential to stimulate progenitor cell growth and gamma globin chain synthesis. Clinical trial data from Eur

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27

Da Silveira, Thiago, João Paulo Silva Lima, Mauro De Vasconcellos Real, Luiz Alberto Oliveira Rocha, Elizaldo Domingues Dos Santos, and Liércio André Isoldi. "Verificação de um modelo computacional baseado no método de elementos finitos aplicado à flambagem biaxial de placas delgadas laminadas." Scientia Plena 13, no. 4 (2017). http://dx.doi.org/10.14808/sci.plena.2017.049918.

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Placas finas perfuradas são muito utilizadas nas indústrias naval e aeronáutica. Em se tratando de meios oceânicos, placas laminadas apresentam uma grande vantagem em relação ao aço, a resistência à corrosão marinha. Porém, um fenômeno de instabilidade conhecido como flambagem elástica pode surgir, comprometendo a integridade da estrutura, quando essas placas finas estão submetidas a cargas de compressão. Dois modelos computacionais são avaliados para que se comprove a eficiência do Método de Elementos Finitos, através do software comercial ANSYS®, com a utilização do elemento de casca SHELL28

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28

Rathi, Shubham, and S. S. Angalekar. "Study of Reserved Strength Capacity of Concrete Shell." International Journal of Scientific Research in Science, Engineering and Technology, July 10, 2019, 230–37. http://dx.doi.org/10.32628/ijsrset196415.

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Hyperbolic cooling towers have become the design standard for all natural-draft cooling towers because of their structural strength and minimum usage of material. The hyperbolic shape is particularly suited to cooling tower construction as the wide base provides a large space for the water and cooling system. As the tower widens out at the top, it supports the turbulent mixing as the heated air makes contact with the atmospheric air. Hyperbolic cooling tower is a tall structure with shells subjected to dead load and wind load. In absence of ground motion, wind becomes the major factor. In this

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29

Nogueira, Carolina Martins, Marcelo Langhinrichs Cunha, Rodrigo Reis Amaral, et al. "Simulação numérica e design construtal aplicados a placas com enrijecedores com diferentes relações altura/espessura." Scientia Plena 15, no. 4 (2019). http://dx.doi.org/10.14808/sci.plena.2019.049906.

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Placas finas de aço com enrijecedores são amplamente utilizadas em estruturas navais, construção civil e aeronáutica. Essas placas têm como característica o seu baixo valor de espessura em relação a sua largura e comprimento. Um parâmetro fundamental na análise dessas estruturas é a sua deflexão quando sujeita a um carregamento. Nessa pesquisa foram analisadas placas retangulares com enrijecedores, sujeitas a uma carga transversal uniformemente distribuída. O cálculo analítico dessas estruturas é complexo e limitado a casos específicos mais simples, sendo assim, necessária a utilização da mode

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Aymonier, Quentin. "Epipsychidion, ou le phénomène amoureux comme itinéraire philosophique et poétique chez Shelley1." Philosophique, no. 18 (March 1, 2015). http://dx.doi.org/10.4000/philosophique.907.

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Barour, Sabiha, and Abdesselam Zergua. "Numerical analysis of reinforced concrete beams strengthened in shear using carbon fiber reinforced polymer materials." Journal of Engineering, Design and Technology ahead-of-print, ahead-of-print (2020). http://dx.doi.org/10.1108/jedt-03-2020-0099.

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Purpose This paper aims to analyze the performance of reinforced concrete (RC) beams strengthened in shear with carbon fiber-reinforced polymer (CFRP) sheets subjected to four-point bending. Design/methodology/approach ANSYS software is used to build six models. In addition, SOILD65, LINK180, SHELL181 and SOLID185 elements are used, respectively, to model concrete, steel reinforcement, polymer and steel plate support. A comparative study between the nonlinear finite element and analytical models, including the ACI 440.2 R-08 and FIB14 models as well as experimental data, is also carried out. F

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Kantar, Ersin. "The thermal behaviors and phase diagrams of the Ising-type endohedral fullerene with magnetic core and diluted magnetic shell (Core@Shell20)." European Physical Journal B 90, no. 8 (2017). http://dx.doi.org/10.1140/epjb/e2017-80224-3.

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