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Relevant bibliographies by topics / Curvature of beams

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Academic literature on the topic 'Curvature of beams'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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Journal articles on the topic "Curvature of beams"

1

Ouakad, Hassen M. "Stability Analysis of Initially Curved Beams Mechanically Coupled in a Parallel Arrangement." International Journal of Structural Stability and Dynamics 18, no. 03 (2018): 1850041. http://dx.doi.org/10.1142/s0219455418500414.

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This paper investigates the stability behavior of a mechanically coupled bi-stable mechanism made of two parallel and initially curved microbeams with focus on the influence of the coupled beams’ initial curvatures on the system. First, the nonlinear and coupled force–displacement equation is derived. Then, a parametric study of the coupled beams system is studied with the system categorized into different structural compartment types according to the initial curvature of the coupled beams. It is concluded that the snap-through of such a coupled bi-stable system is governed by the beams’ initi

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Sun, Zeyang, Yang Yang, Wenlong Yan, Gang Wu, and Xiaoyuan He. "Moment-Curvature Behaviors of Concrete Beams Singly Reinforced by Steel-FRP Composite Bars." Advances in Civil Engineering 2017 (2017): 1–14. http://dx.doi.org/10.1155/2017/1309629.

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A steel-fiber-reinforced polymer (FRP) composite bar (SFCB) is a kind of rebar with inner steel bar wrapped by FRP, which can achieve a better anticorrosion performance than that of ordinary steel bar. The high ultimate strength of FRP can also provide a significant increase in load bearing capacity. Based on the adequate simulation of the load-displacement behaviors of concrete beams reinforced by SFCBs, a parametric analysis of the moment-curvature behaviors of concrete beams that are singly reinforced by SFCB was conducted. The critical reinforcement ratio for differentiating the beam’s fai

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Ennos, A. R., and A. van Casteren. "Transverse stresses and modes of failure in tree branches and other beams." Proceedings of the Royal Society B: Biological Sciences 277, no. 1685 (2009): 1253–58. http://dx.doi.org/10.1098/rspb.2009.2093.

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The longitudinal stresses in beams subjected to bending also set up transverse stresses within them; they compress the cross section when the beam's curvature is being increased and stretch it when its curvature is being reduced. Analysis shows that transverse stresses rise to a maximum at the neutral axis and increase with both the bending moment applied and the curvature of the beam. These stresses can qualitatively explain the fracture behaviour of tree branches. Curved ‘hazard beams’ that are being straightened split down the middle because of the low transverse tensile strength of wood. B

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Gall, Ken, Michael Hulse, Martin L. Dunn, Dudley Finch, Steven M. George, and Brian A. Corff. "Thermomechanical response of bare and Al2O3-nanocoated Au/Si bilayer beams for microelectromechanical systems." Journal of Materials Research 18, no. 7 (2003): 1575–87. http://dx.doi.org/10.1557/jmr.2003.0217.

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We present results on the thermomechanical behavior of bare and nanocoated gold/polysilicon (Au/Si) bilayer cantilever beams for microelectromechanical system applications. The cantilever beams have comparable thicknesses of the Au and Si layers and thus experience significant out-of-plane curvature due to a temperature change. The experiments focus on the inelastic behavior of the bilayer beams due to thermal holding and thermal cycling. In uncoated Au/Si beams, thermal holding directly after release or thermal cycling both lead to a curvature decrease as a function of time or cycle number, r

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Vaccaro, Marzia Sara, Francesco Marotti de Sciarra, and Raffaele Barretta. "On the regularity of curvature fields in stress-driven nonlocal elastic beams." Acta Mechanica 232, no. 7 (2021): 2595–603. http://dx.doi.org/10.1007/s00707-021-02967-w.

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AbstractElastostatic problems of Bernoulli–Euler nanobeams, involving internal kinematic constraints and discontinuous and/or concentrated force systems, are investigated by the stress-driven nonlocal elasticity model. The field of elastic curvature is output by the convolution integral with a special averaging kernel and a piecewise smooth source field of elastic curvature, pointwise generated by the bending interaction. The total curvature is got by adding nonelastic curvatures due to thermal and/or electromagnetic effects and similar ones. It is shown that fields of elastic curvature, assoc

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Yang, F., R. Sedaghati, and E. Esmailzadeh. "Free in-plane vibration of curved beam structures: A tutorial and the state of the art." Journal of Vibration and Control 24, no. 12 (2017): 2400–2417. http://dx.doi.org/10.1177/1077546317728148.

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The study of free in-plane vibration of curved beams, using different beam theories, is more challenging than that of straight beams, since the structural deformations in curved beams depend not only on the rotation and radial displacements, but also on the coupled tangential displacement caused by the curvature of structures. A critical review of the publications on the free in-plane vibration of curved beams to demonstrate the state of the art has been presented. The governing differential equations of motion for the curved beams, based on different hypotheses (including and excluding the ax

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7

Saffari, H., M. J. Fadaee, and R. Tabatabaei. "Developing a Formulation Based upon Curvature for Analysis of Nonprismatic Curved Beams." Mathematical Problems in Engineering 2007 (2007): 1–19. http://dx.doi.org/10.1155/2007/46215.

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A new element with three nodal curvatures has been considered for analysis of the nonprismatic curved beams by finite element method. In the formulation developed, the force-curvature relationships in polar coordinate system have been obtained first, then the curvature of the element has been assumed to have a second-order polynomial function form and the radial, tangential displacements, and rotation of the cross section have been found as a function of the curvature accounting for the effects of the cross section variation. Moreover, the relationship between nodal curvatures and nodal deform

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Honda, Kohji, and Noriyuki Tabushi. "Design of Longitudinal Beam Layout on a Curved Shell Based on the Production-Oriented Design Concept." Journal of Ship Production 10, no. 04 (1994): 217–22. http://dx.doi.org/10.5957/jsp.1994.10.4.217.

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A VLCC (very large crude oil carrier) has approximately 1000 curved longitudinal beams, many of which have three-dimensional complicated curvatures. Due to the shortage of highly skilled workers and the need to keep costs down, production and structural designers have worked to reduce the number of such beams. In order to meet the requirements of production, the authors' company has attempted several design approaches for the longitudinal beam layout to reduce the number of beams that have complicated curvature. Recently, through the application of a computer-aided design system, which has bee

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Guo, Jin Quan, Fen Lan Ou, Jian Feng Zhong, Shun Cong Zhong, Xiao Xiang Yang, and Li Gang Yao. "Damage Detection of Cantilever Beams Based on Derivatives of Mode Shapes." Applied Mechanics and Materials 488-489 (January 2014): 817–20. http://dx.doi.org/10.4028/www.scientific.net/amm.488-489.817.

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For the small crack detection (crack ration less than 5%), the derivatives of mode shapes of cantilever beams were used for crack detection in the beams. These derivatives consist of the slope, curvature and rate of curvature, which are the first, second and third derivatives of the displacement mode shape respectively. The presence of a crack results in a slight change in the mode shape of a structure which is manifested as a small discontinuity in the response at the crack location. It is hard to detect small cracks in beams using the direct data of mode shape change. But when the first, sec

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Mentrasti, Lando. "Bending of large curvature beams." International Journal of Solids and Structures 38, no. 32-33 (2001): 5703–26. http://dx.doi.org/10.1016/s0020-7683(00)00361-9.

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Dissertations / Theses on the topic "Curvature of beams"

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Prasad, M. N. Nagendra. "Moment-curvature relationships in reinforced concrete." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-07112009-040255/.

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Sanchez, Telmo Andres. "Influence of bracing systems on the behavior of curved and skewed steel I-girder bridges during construction." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42731.

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The construction of horizontally curved bridges with skewed supports requires careful consideration. These types of bridges exhibit three-dimensional response characteristics that are not commonly seen in straight bridges with normal supports. As a result, engineers may face difficulties during the construction, when the components of the bridge do not fit together or the final geometry of the structure does not correspond to that intended by the designer. These complications can lead to problems that compromise the serviceability aspects of the bridge and in some cases, its structural integri

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Milesi, Daniel Angelo Zattera. "Análise dos efeitos do ciclo térmico nos processos de arqueamento e alinhamento de chassis rodoviários." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/135389.

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Em determinadas rotas de manufatura de componentes automotivos, principalmente de produtos do segmento rodoviário pesado, são muito comuns processos de desempeno a quente, assim como outros procedimentos como arqueamento e alinhamento de longarinas. O presente trabalho tem por objetivo traçar os principais impactos destes processos sobre os materiais ASTM A570 GR36-C e o aço de alta resistência e baixa liga norma DIN EN 10149 S700MC em uma rota de fabricação de produtos automotivos com interferência de um procedimento a quente. Esses materiais, quando submetidos a determinados ciclos térmicos

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Ferrell, Monica Joy. "Flexural Behavior of Carbon/Epoxy IsoTruss Reinforced-Concrete Beam-Columns." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd695.pdf.

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Donga, Tarun Kumar. "EFFECT OF TEMPERATURE INCREASE ON BUCKLING OF AXIALLY RESTRAINED BEAM-COLUMNS WITH DOUBLE CURVATURE." OpenSIUC, 2018. https://opensiuc.lib.siu.edu/theses/2436.

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AN ABSTRACT OF THE THESIS OF TARUN KUMAR DONGA, for the Master of Science degree in Civil Engineering, Presented on August 29th 2017, at Southern Illinois University Carbondale. TITLE: EFFECT OF TEMPERATURE INCREASE ON BUCKLING OF AXIALLY RESTRAINED BEAM-COLUMNS WITH DOUBLE CURVATURE MAJOR PROFESSOR: Dr. Aslam Kassimali, Ph.D. The main objective of this research was to study the buckling and post-buckling response of axially restrained beam-columns under thermal loading. Also the effects of slenderness ratios on pre-buckling and post-buckling behavior which is neglected in (AISC 2010 speci

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Deshmukh, Prutha. "Damage Detection Of a Cantilever Beam Using Digital Image Correlation." University of Cincinnati / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1623169831665585.

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7

Hu, Bo. "An investigation of the effects of curvatures on natural vibration characteristics of curved beams and plates." Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/142775/.

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Curved structures are mostly investigated through the numerical method. In the numerical model, the curved beam or plate is easily simulated by assembled elements. Although the approximate solution can be obtained, numerical results are inadequate to demonstrate the effect of the curvature on the whole system. In order to reveal such effect and implicative mechanism of the curvature, an analytical way needs to be proved applicable to the curved structure. The present thesis thus develops the perturbation method to analyze the natural behaviour of curved beam structures. The governing equations

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SOLTANI, GHULAM H. "BUCKLING AND POST-BUCKLING RESPOSNE OF SINGLE CURVATUE BEAM-COLUMNS UNDER THERMAL (FIRE) LOADS." OpenSIUC, 2017. https://opensiuc.lib.siu.edu/theses/2147.

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The main objective of this research was to study the buckling and post-buckling response of axially restrained beam-columns under thermal loading. Also the effects of slenderness ratios on pre-buckling and post-buckling behavior which is neglected in AISC specification was examined. The results of this study indicate that: a) Both the deflection and end moment amplification factors are significantly smaller for the restrained beam-columns subjected to temperature increase than the corresponding unrestrained beam-columns subjected to (mechanical) axial loads. b) The deflection amplification fa

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Fielding, Louise M. "The effects of electron beam irradiation, combined with low pH and organic acids, on the survival and recovery of Escherichia coli and Lactobacillus curvatus." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262213.

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Pinilla, Pachon Edwin German 1981. "Dispositivos em fibras ópticas baseados em interferência multimodal." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/277582.

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Orientadores: Cristiano Monteiro de Barros Cordeiro, Marcos Antonio Ruggieri Franco<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Física Gleb Wataghin<br>Made available in DSpace on 2018-08-22T12:56:38Z (GMT). No. of bitstreams: 1 PinillaPachon_EdwinGerman_M.pdf: 12541930 bytes, checksum: 74a0367c344ded9c8891d11280568b6b (MD5) Previous issue date: 2013<br>Resumo: Nesta dissertação se estudou por simulação numérica o efeito de interferência multimodal (MMI, do inglês "multimode interference") em guias de onda, com atenção especial a fibras ópticas, e a resposta

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Books on the topic "Curvature of beams"

1

Dhakal, Rajesh P. Curvature ductility of reinforced concrete plastic hinges: Assessment of curvature limits for different forms of plastic hinges in reinforced concrete structures. VDM, Verlag Dr. Müller, 2008.

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Dhakal, Rajesh P. Curvature ductility of reinforced concrete plastic hinges: Assessment of curvature limits for different forms of plastic hinges in reinforced concrete structures. VDM, Verlag Dr. Müller, 2008.

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Book chapters on the topic "Curvature of beams"

1

Casandjian, Charles, Noël Challamel, Christophe Lanos, and Jostein Hellesland. "Bending-Curvature at Ultimate Limit State (ULS)." In Reinforced Concrete Beams, Columns and Frames. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118639511.ch4.

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Martins, Paulo, and Arcanjo Lenzi. "Curvature Effects on Vibrational Power Flow of Smooth Bent Beams." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91217-2_6.

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3

Xue, Gang, Xiaoyan Guo, and Zhenhua Dong. "Study on Curvature Modal Shapes of the Damage Reinforced Concrete Beams." In Computational Structural Engineering. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-2822-8_89.

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Jang, Jun Hwan, and Jae Hoon Kim. "The Optimum Design of Laminated Slender Beams with Complex Curvature Using a Genetic Algorithm." In Advanced Structured Materials. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00506-5_7.

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Siddiqui, Aqleem, Girish Dalvi, Akshay Patil, and Surabhi Chavan. "Simulation Study on Effect of Variable Curvature on the Modal Properties of Curved Cantilever Beams." In Advances in Mechanical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3639-7_48.

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Borgohain, Ankit, and Sriman Kumar Bhattacharyya. "A Study on Moment–Curvature Relationships for REINFORCED CONCRETE BEAMS with Varying Fire Loading Conditions." In Lecture Notes in Civil Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5235-9_25.

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Mondal, Subhajit, Bidyut Mondal, Anila Bhutia, and Sushanta Chakraborty. "Damage Detection in Beams Using Frequency Response Function Curvatures Near Resonating Frequencies." In Advances in Structural Engineering. Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-2193-7_119.

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Raghuraman, M., and I. Ramu. "Image Correlation Technique for Slope and Curvature of a Cantilever Beam Using Light Intensity." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9931-3_52.

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Gillich, Gilbert-Rainer, Cristian Tufisi, Magd Abdel Wahab, and Codruta Oana Hamat. "Crack Assessment Based on the Use of Severity-Adjusted Modal Curvatures of the Healthy Beam." In Springer Proceedings in Physics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-54136-1_50.

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Shevtsov, Sergey, Igor Zhilyaev, Paul Oganesyan, and Vladimir Akopyan. "A Probabilistic Approach to the Crack Identification in a Beam-like Structure Using Monitored Mode Shapes and Their Curvature Data with Uncertainty." In Applied Condition Monitoring. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-20463-5_34.

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Conference papers on the topic "Curvature of beams"

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MABSON, G. "Effects of curvature on composite materials beams." In 30th Structures, Structural Dynamics and Materials Conference. American Institute of Aeronautics and Astronautics, 1989. http://dx.doi.org/10.2514/6.1989-1362.

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Caruntu, Dumitru I., and Ion Stroe. "Nonlinear Vibrations of Non-Uniform Beams Including Inertia Effects." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80307.

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This papers deals with nonlinear vibrations of non-uniform beams with geometrical nonlinearities such as moderately large curvatures, and inertia nonlinearities such as longitudinal and rotary inertia forces. The nonlinear fourth-order partial-differential equation describing the above nonlinear effects is presented. Using the method of multiple scales, each effect is found by reducing the nonlinear partial-differential equation of motion to two simpler linear partial-differential equations, homogeneous and nonhomogeneous. These equations along with given boundary conditions are analytically s

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Picão Perroni, Amanda, and Reyolando Brasil. "Exact curvature computation of large displacements of beams." In 7th International Symposium on Solid Mechanics. ABCM, 2019. http://dx.doi.org/10.26678/abcm.mecsol2019.msl19-0005.

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Kuo, Y. L., and W. L. Cleghorn. "Curvature-Based Finite Element Method for Euler-Bernoulli Beams." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34213.

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This paper presents a new method called the curvature-based finite element method to solve Euler-Bernoulli beam problems. An approximated curvature distribution is selected first, and then the approximated transverse displacement is determined by double integrations. Four numerical examples demonstrate the validity of the method, and the results show that the errors are smaller than those generated by a conventional method, the displacement-based finite element method, for comparison based on the same number of degrees of freedom.

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Bhaskar, S. Udaya, K. Phani Raja Kumar, and D. Kundan Kumar. "Analysis on slot curvature and contact stresses on Geneva wheel." In SEVENTH INTERNATIONAL SYMPOSIUM ON NEGATIVE IONS, BEAMS AND SOURCES (NIBS 2020). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0058041.

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Paulo Victor Ribeiro Martins and Arcanjo Lenzi. "Curvature effects of vibrational power flow through Euler-Bernoulli beams." In 23rd ABCM International Congress of Mechanical Engineering. ABCM Brazilian Society of Mechanical Sciences and Engineering, 2015. http://dx.doi.org/10.20906/cps/cob-2015-1973.

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Kwak, Hyo-Gyoung, and Sun-Pil Kim. "FE Analysis of RC Beams Based on Moment-Curvature Relation." In Eighth International Conference on Computing in Civil and Building Engineering (ICCCBE-VIII). American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40513(279)62.

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Ostachowicz, Wieslaw, Wei Xu, Runbo Bai, Maciej Radzienski, and Maosen Cao. "Robust modal curvature features for identifying multiple damage in beams." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, edited by Tribikram Kundu. SPIE, 2014. http://dx.doi.org/10.1117/12.2045316.

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Afnani, Ashkan, Vida Niki, and R. Emre Erkmen. "A Finite Element Formulation for the Analysis of Horizontally-Curved Thin-Walled Beams." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-53332.

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In this study, a finite element formulation is developed for the elastic analysis of thin-walled curved beams. Using a second-order rotation tensor, the strains of the deformed configuration are calculated in terms of the displacement values and the initial curvature. The principle of virtual work is then used to obtain the nonlinear equilibrium equations, based on which a finite element beam formulation is developed. The accuracy of the method is confirmed through comparisons with test results and shell-type finite element formulations and other curved beam formulations from the literature. I

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Rossettos, John N. "On the Analysis and Fundamental Frequency of Slightly Curved Sandwich Beams With a Delamination." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0651.

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Abstract An analysis of the vibration of sandwich beams with small iinitial curvature and a delamination between the core and face sheet is presented. The combined effects of initial curvature, transverse shear deformation and extent of delamination are evaluated and discussed. It is shown that the sensitivity to delamination damage is greater for straight beams than for initially curved beams. It is also greater for high modulus cores (less shear deformation). Also the influence of shear deformation on the fundamental frequency becomes smaller as the curvature increases.

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